Aclara Power Line Systems Y72129-1 Electronic Metering Transceiver User Manual RF

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TWACS - ORION FOR CENTRON METERUSER GUIDE Y10426-TUMRRR

TWACS® - ORION® for CENTRON® Meter User Guide iFigures and Tables iiiUsing this Manual 1Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Icon Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . 4Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Let Us Know How We’re Doing . . . . . . . . . . . . . . . . . . . . . . . 4Chapter 1: Installation and Operation 1System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Theory of Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Electric Meter Transceiver (EMTR) . . . . . . . . . . . . . . . . . . . . . 4RF TWACS and Badger Meter, Inc. ORION® Transmitter . . . . . . . . . . . 5Hand Held Transceiver (HHTR) . . . . . . . . . . . . . . . . . . . . . . 6Navigating the HHTR Screens . . . . . . . . . . . . . . . . . . . . . . 7HHTR Menus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7RF Hardware Installation. . . . . . . . . . . . . . . . . . . . . . . . . . 9Pre-Installation Field Survey . . . . . . . . . . . . . . . . . . . . . . . 9Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . 9Installing a New EMTR Module. . . . . . . . . . . . . . . . . . . . . . 11ORION Equipment Installation . . . . . . . . . . . . . . . . . . . . . . 12Installing a Replacement EMTR Module. . . . . . . . . . . . . . . . . . 12ORION Equipment Replacement . . . . . . . . . . . . . . . . . . . . . 12ORION and EMTR Communication Setup . . . . . . . . . . . . . . . . . . 13Install the ORION (Linking the ORION and EMTR) . . . . . . . . . . . . . 13Delete the ORION from the Remt List . . . . . . . . . . . . . . . . . . 15Replace the EMTR . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Chapter 2: Testing, Troubleshooting, and Maintenance 21Troubleshooting and Error Messages. . . . . . . . . . . . . . . . . . . . 22Troubleshooting Scenarios . . . . . . . . . . . . . . . . . . . . . . . . 22Configuration/Installation Status . . . . . . . . . . . . . . . . . . . . 22Field Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . 25HHTR Displayed Error Codes . . . . . . . . . . . . . . . . . . . . . 26Remote Test Set (RTS) . . . . . . . . . . . . . . . . . . . . . . . . 27Meter Shop Test System . . . . . . . . . . . . . . . . . . . . . . . . . 30Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Return Procedures. . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Chapter 3: Specifications 33Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 34Electrical Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Compliance Specifications . . . . . . . . . . . . . . . . . . . . . . . 34Environmental Specifications. . . . . . . . . . . . . . . . . . . . . . . 35Table of Contents

ii TWACS® - ORION® for CENTRON® Meter User GuideTable of ContentsPhysical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 35Acronyms 37Glossary 41Index 49

TWACS® - ORION® for CENTRON® Meter User Guide iiiFigure 1.1 Electric Meter Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Figure 1.2 ORION transmitters for water, gas, and remote . . . . . . . . . . . . . . 5Table 1.1 ORION transmitter specifications. . . . . . . . . . . . . . . . . . . . . . . . 5Figure 1.3 Hand Held Transceiver keypad functions. . . . . . . . . . . . . . . . . . . 6Table 0.1 Error Code Description and Solution. . . . . . . . . . . . . . . . . . . . . 26Figure 2.1 RTS initial screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Figure 2.2 RTS main menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Figure 2.3 RTS transponder menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Figure 2.4 TWACS serial number location . . . . . . . . . . . . . . . . . . . . . . . . 29Figure 2.5 RTS setup screens. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Table 2.2 RTS communication success or failure . . . . . . . . . . . . . . . . . . . 29Figure 2.6 Return address Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Table 3.1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Table 3.2 Compliance specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Table 3.3 Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . 35Table 3.4 Physical specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Table 3.5 Labeling requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36Figures and Tables

iv TWACS® - ORION® for CENTRON® Meter User GuideFigures and Tables

TWACS® - ORION® for CENTRON® Meter User Guide 1USING THIS MANUALThis section contains information that helps you understand and use this manual.Chapter at a GlancePurpose . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . 2Icon Definitions. . . . . . . . . . . . . . . . . . . . . . . . 3Related Documentation . . . . . . . . . . . . . . . . . . . . 4Support . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Let Us Know How We’re Doing . . . . . . . . . . . . . . . . . 4

2TWACS® - ORION® for CENTRON® Meter User GuidePurposePurposeThis TWACS® - ORION ®for CENTRON® Meter User Guide contains theory of operation, pre-installation considerations, hardware installation procedures, and instructions for using an HHTR tool to establish the communication link between the ORION and EMTR.Warnings

TWACS® - ORION® for CENTRON® Meter User Guide 3Using this ManualIcon DefinitionsIcon DefinitionHAZARDIndicates electrical equipment hazards and resulting death or serious injury from misuse.WARNINGIndicates a potentially hazardous situation which - if precautions are not taken - could result in death or serious personal injury.CAUTIONIndicates a potentially hazardous situation which- if precautions are not taken - may result in minor or moderate injury.IMPORTANTProvides information that is important, but will not result in physical injury if not followed.NOTEProvides additional information or tips on the process.

4TWACS® - ORION® for CENTRON® Meter User GuideRelated DocumentationRelated DocumentationThe following publications are referenced in this Integrated Metering Transponder for Electromechanical Meters User Guide. The documents listed below plus the latest version of all other DCSI technical publications are available through the TWACS Portal (https://portal.twacs.com/).• Electronic Metering Transponder for CENTRON Meter User Guide (Y10317TM)• TNS End User Guide (Y10285TM)•Returned Merchandise Packing Requirement Service Advisory (Y10377TM)SupportPlease address your questions to Customer Care as follows:Let Us Know How We’re DoingIn an ongoing effort to produce effective documentation, the Technical Publications department at DCSI welcomes any feedback you can offer regarding this manual.Please relay feedback, including suggestions for improvement or to alert us to corrections, by sending an email to techpubs@twacs.com or calling Customer Care at 1-800-892-9008.E-mail: care@twacs.comPhone: 1-800-892-9008Address: Distribution Control Systems, Inc.945 Hornet DriveHazelwood, MO 63042USA

TWACS® - ORION® for CENTRON® Meter User Guide 1CHAPTER 0CHAPTER1CHAPTER 0INSTALLATION AND OPERATIONThis chapter provides a brief overview of the TWACS-ORION system, explains how the TWACS-ORION system interfaces with the TWACS system, and describes the functions of the EMTR, HHTR, and ORION transmitter. It is useful for installers and personnel who would benefit from an overview of the entire system.Chapter at a GlanceSystem Overview . . . . . . . . . . . . . . . . . . . . . . . 2Theory of Operation . . . . . . . . . . . . . . . . . . . . . 3Electric Meter Transceiver (EMTR) . . . . . . . . . . . . . . 4RF TWACS and Badger Meter, Inc. ORION® Transmitter . . . . . 5Hand Held Transceiver (HHTR) . . . . . . . . . . . . . . . . 6Navigating the HHTR Screens . . . . . . . . . . . . . . . 7HHTR Menus . . . . . . . . . . . . . . . . . . . . . . . 7RF Hardware Installation . . . . . . . . . . . . . . . . . . . 9Pre-Installation Field Survey. . . . . . . . . . . . . . . . . 9Environmental Conditions . . . . . . . . . . . . . . . . . 9Installing a New EMTR Module . . . . . . . . . . . . . . . 11ORION Equipment Installation . . . . . . . . . . . . . . . 12Installing a Replacement EMTR Module . . . . . . . . . . . 12ORION Equipment Replacement . . . . . . . . . . . . . . 12ORION and EMTR Communication Setup. . . . . . . . . . . . 13Install the ORION (Linking the ORION and EMTR). . . . . . . 13Delete the ORION from the Remt List. . . . . . . . . . . . 15Delete the ORION from the Remt List. . . . . . . . . . . . 15Replace the EMTR . . . . . . . . . . . . . . . . . . . . 17

2TWACS® - ORION® for CENTRON® Meter User GuideSystem OverviewSystem OverviewThe TWACS® - ORION® system utilizes radio frequency (RF) transmission communication between a RF-enabled auxiliary meter and a RF-enabled CENTRON® meter. Data relative to energy usage from auxiliary gas, water, or another electric meter can be gathered and retrieved in this manner. The system provides selectable Total Consumption data and Present Consumption data based on the hourly interval meter reading.Information is retrieved across the Two-Way Automatic Communication System (TWACS) network by the TWACS Net Server (TNS) located at the utility company. The TWACS® - ORION® system solution is comprised of the following RF devices:• Electric Meter Transceiver (EMTR)• Hand Held Transceiver (HHTR)• Electronic Metering Transponder (EMT-3C-MP)NOTEAlso part of the system, but not provided or installed by DCSI, is the Badger Meter, Inc. ORION transmitter that is installed at the auxiliary meter and converts the meter information into electronic signals.RF communication links the ORION (located at the auxiliary meter) to the EMTR (located inside a nearby electric meter.) This communication enables successful operation of the Automatic Meter Reading (AMR) system. AUXILIARYMETER ELECTRICMETERELECTRICMETERTRANSCEIVER(EMTR)ORIONTRANSMITTERRFCOMMUNICATIONUP TO 400 FEETLINE-OF-SIGHT

TWACS® - ORION® for CENTRON® Meter User Guide 3Installation and OperationTheory of OperationThe DCSI TWACS® - ORION® system operates within the 916.450 MHz UHF radio frequency range on channel 43A. This unlicensed frequency band is known as the ISM (Industrial, Science, and Medical) band. All components in the DCSI TWACS® - ORION®system comply with FCC (Federal Communications Commission) rules and regulations for radio devices operating in this frequency range.This band provides up to 79 channels; the TWACS® - ORION®system uses 51 of these channels. A channel is defined as a pair of adjacent frequencies used for transmission and for reception. Refer to the note below.Because the FCC limits the amount and duration of channel energy that can be emitted during RF transmission, the TWACS® - ORION® system employs transmission Frequency Shift Keying (FSK). This modulation and frequency hopping technology serves to: • Comply with FCC regulations• Reduce potential interference to and from other devices operating in the same band• Reduce the potential for eavesdropping• Minimize the effects of signal reduction NOTEFrequency hopping employs an algorithm that provides a half duplex (one transmission direction at a time [send or receive]), pseudo-random sequence of frequencies for the two-way radio link. Frequency Shift Keying modulation controls data transmission by “frequency shifting” between two frequencies (a channel). One frequency is used to represent the logical “1” and a different frequency represents the logical “0”.Five channels provide link acquisition with the HHTR while the remaining 45 channels are used for data transmission after a successful link is established. The one remaining channel is used for TWACS-ORION communication.The EMTR retains data until new data is uploaded during an ORION session. If an ORION transmitter is removed from the Remt List table stored in the EMTR, the previously loaded data (for the removed ORION transmitter) is automatically deleted.

4TWACS® - ORION® for CENTRON® Meter User GuideTheory of OperationElectric Meter Transceiver (EMTR)The EMTR is an electronic module assembly (EMA) that is installed in a TWACS-enabled CENTRON meter. The EMTR is connected to the EMT-3C-MP transponder during meter/transponder integration. The EMTR adds functionality to the host EMT-3C-MP. It does not communicate over the power line, but uploads the data to the EMT-3C-MP that has power line TWACS capabilities. The EMTR can communicate with up to four ORION transmitters. Data from the ORION transmitter is relayed to the EMA. This data is accessed by the TNS across the TWACS network.Near the top of the hour, the EMTR listens (for 12.5 seconds) for communication from an ORION transmitter. Then, for 8.5 seconds the EMTR listens for an HHTR. This pattern cycles 35 times. No further communication occurs until the next top of the hour. The top of the hour is set in TNS. Refer to Metering Maintenance in the TNS User Guide for instructions.Figure 1.1 Electric Meter Transceiver

TWACS® - ORION® for CENTRON® Meter User Guide 5Installation and OperationRF TWACS and Badger Meter, Inc. ORION® TransmitterThe DCSI RF TWACS System and the Badger Meter, Inc. ORION transmitter are capable of data communication. The ORION module uses the RF bubble-up broadcast mode to communicate (one way) from the auxiliary meter to the electric meter. The ORION transmitter sends customer usage data (at 100Kbps) every five seconds on the 916.450 MHz frequency channel. The RF TWACS system receives this data and transmits it to the EMTR. Then it is retrieved by the utility, across power distribution lines.Figure 1.2 ORION transmitters for water, gas, and remoteSpecifications:Table 1.1ORION transmitter specificationsREMOTEORIONGASORIONWATERORIONORIONSpecification DescriptionPower 3.6 VDC embedded batteryFunctional Life Expectancy Minimum: 10 yearsExpected: 15 yearsFrequency 916.450 MHzData Communications Burst mode fixed length packet, simplexData Format 3-of-6Data Rate 100 Kbps + 1 KbpsData Encryption NoneModulation Frequency Shift Keying (FSK)Packet Encoding Non Return to Zero (NRZ)Channels Single channel (43A)Range 400 ft. clear line of sight - affected by installation and conditions; less if pit installed

6TWACS® - ORION® for CENTRON® Meter User GuideTheory of OperationHand Held Transceiver (HHTR)The DCSI Hand Held Transceiver (HHTR) is used to configure and setup the EMTR (installed in the electric meter). The HHTR is also used to create the communication link between the EMTR and the ORION transmitter and can be used to test the radio link. Figure 1.3 Hand Held Transceiver keypad functions

TWACS® - ORION® for CENTRON® Meter User Guide 7Installation and OperationNavigating the HHTR ScreensUse the arrow buttons to navigate through the HHTR screens.NOTEWhen pressing the 7, 8, 9, or 0 numeric button, the HHTR automatically determines whether the numeric or scroll functionality of the button is required.Adjust the display contrast by using the number 2 and 3 buttons as follows: • Increase the contrast - Hold down the Shift button and repeatedly press the number 2 button.• Decrease the contrast - Hold down the Shift button and repeatedly press the number 3 button.Esc button functionality:• Press once to end the current procedure and return to the previous menu.• Repeatedly press to “back out” to previous menus.HHTR MenusThe following list describes the menus and selections available from the HHTR.Main Menu ItemOrder - Main menu selection.• New/Go - Presents screens that allow entry of an order number.Remote - Main menu selection.• Orion - Top-level Orion menu.•Install (See page 13).Table 1.2HHTR screen navigation buttonsButton Number Graphic Function7Move left8 Move up9 Move right0 Move down7890

8TWACS® - ORION® for CENTRON® Meter User GuideTheory of Operation•Com Stat - Presents configuration status screens (See page 15).This status information is read from the EMTR.•RMTR - RMTR menu.EMTR - Main menu selection.•Status - Presents EMTR status data screens.• Replace - Presents screens that enable replacement of the EMTR (See page 17).• Delete - Presents screens that enable removal of the ORION from the Remt List (See page 15).•Remt List - Displays list of linked ORION transmitters.Serial Com - Not used.TWACS - Main menu selection.•HRTS - Enables configuration of meter auxiliary ports.• TWACS Modem - Not used.HHTR Config - Main menu selection.• Setup - Presents screens that enable selection of HHTR options.• Status - Not used.• Power - Presents screens that enable selection of Power options.• Diags - Presents screens that enable selection of Diagnostic options.

TWACS® - ORION® for CENTRON® Meter User Guide 9Installation and OperationRF Hardware InstallationThis section provides instructions for installing the RF hardware onsite. A functioning network can be created and its functionality verified before leaving the site. Pre-Installation Field SurveyThe field survey is used to review the environmental conditions present at any particular location and lay out the system to maximize performance. DCSI recommends that you conduct a field survey before performing the actual hardware installation. As with all RF devices, certain environmental conditions must be present to optimize RF communications. Be aware of the factors that affect the radio transmission between the ORION and the EMTR when performing the field survey, such as:• Metal objects• Thick walls or foliage• Local radio interference• Position of the ORION and/or EMTRFactor in all environmental conditions when planning the location of the meter/EMTR assembly.NOTEA clear line of sight between the ORION transmitter and receiver is preferred, but is not always attainable.The following section discusses the environmental conditions that may affect RF transmissions between the ORION and EMTR. Environmental ConditionsOptimal RF communication between the ORION and the EMTR is affected by many environmental conditions. Vehicular traffic, parked vehicles in the signal path, weather conditions, construction, and even the growth of foliage may affect or degrade RF communication.Gradual loss of communication from the ORION (caused by an aging battery for example) can be detected through system checks by the TWACS Net Server (TNS) Master Station. Persistent loss of communication may indicate environmental interference and require a site visit to determine the cause. NOTESites that continue to experience persistent loss of communication may require a wired solution to ensure reliable operation.

10 TWACS® - ORION® for CENTRON® Meter User GuideRF Hardware InstallationThe following environmental factors or conditions may affect RF transmission between the ORION unit and the EMTR located at the electric meter. • Metal ObjectsMetal objects significantly reduce the strength of the signals reaching the receiver. Ensure that no metal cladding, cabling, mirrors, water tanks, refrigerators, pipes, etc. are near the ORION or EMTR. The straight-line path between both units should be as unobstructed as possible. NOTEA small, single item, such as a pipe situated half-way between the transmitter and receiver, is less likely to have any affect on the signal strength than a larger item(s). • Thick walls or foliageThick walls or foliage between the transmitter and receiver can reduce the signal strength. Brick, aluminum siding, thick stone walls, and concrete can impede signal reception.Avoid dense foliage between the RF units and, when possible, provide a reserve “growth” clearance to accommodate the growth of foliage on bushes and trees during spring and summer. NOTERadio signals can pass more easily through plasterboard walls, fiberglass, and wood paneling than the previously listed materials.• Local radio interferenceThe close proximity of a cell phone mast, a taxi operator's base station, or large electrical equipment may provide strong radio interference. The AMR radio devices should be relocated if these interferences are present.• Position of the ORION and/or EMTRThese are important factors in RF deployment. The ORION antenna is omni-directional. The signal radiates 360 degrees. The EMTR antenna alignment is parallel to the front cover of the electric meter, and is the most sensitive RF reception surface. Face the front of the meter/EMTR toward the ORION transmitter when possible; even on opposite sides of a building. This allows maximum communication surface and distance between the units. Allow for some additional power margin in the signal strength to accommodate seasonal or other changes in environmental conditions.In the future, after installation, the site owner should inform you of any alterations to the site that could affect radio performance.

TWACS® - ORION® for CENTRON® Meter User Guide 11Installation and OperationInstalling a New EMTR ModuleThis procedure installs an EMTR module by installing an RF-equipped CENTRON meter.Technicians must install this equipment in accordance with all National and Local Code provisions. WARNINGWARNING - EXPLOSIVE HAZARD - Substitution of components may impair suitability for Class I, Division 2.CAUTIONWear all safety equipment according to your utility rules before opening the meter base: hard hats, safety face shield, fire retardant clothing, high voltage rated gloves, safety rated shoes.WARNINGAny work on or near energized meters, meter sockets, or other metering equipment can present a danger of electrical shock. Such shock could cause serious injury or death.To field install a new EMTR-equipped CENTRON meter, refer to the Electronic Metering Transponder for CENTRON Meter User Guide (Y10317TM), Chapter 2. Installation. To complete the installation process, the meter must be configured into the TNS (refer to the TNS End User Guide for directions). In order to complete this next step in the installation process, record the location of the meter by collecting the following information:• Serial number (required)•Substation (required)•Bus• Feeder•Phase• Detection• SignalThe TNS operator uses this location information to search for the meter. The more pieces of location information available, the less time TNS will take to search for the meter. Refer to the TNS End User Guide for data retrieval instructions.

12 TWACS® - ORION® for CENTRON® Meter User GuideRF Hardware InstallationORION Equipment InstallationFollow the Badger Meter, Inc.equipment installation instructions to install the ORION transmitter.Installers must install the ORION equipment in accordance with all National and Local Code provisions. Installing a Replacement EMTR ModuleThis procedure is the same as installing a new EMTR-equipped meter except that previous usage data must be retrieved and ORION/EMTR linkage information must be reassigned to the replacement EMTR. 1. Refer to Installing a New EMTR Module on page 11 for installation instructions.2. Refer to Install the ORION (Linking the ORION and EMTR) on page 13 for linkage assignment instructions.Refer to the TNS End User Guide for data retrieval instructionsORION Equipment ReplacementFollow the Badger Meter, Inc.equipment instructions to remove and replace an existing ORION transmitter.Installers must perform these procedures in accordance with all National and Local Code provisions.

TWACS® - ORION® for CENTRON® Meter User Guide 13Installation and OperationORION and EMTR Communication SetupThis section explains the steps required to use the HHTR to configure, link, and remove/replace an ORION or EMTR. RF equipment setup procedures consist of configuring the EMTR and making the RF communication link between the ORION and EMTR. You may also view the communication statistics, or test the link between the ORION and EMTR by reading the Total Consumption register for the applicable port and verifying the reading on the auxiliary meter dials.Install the ORION (Linking the ORION and EMTR)Complete the following steps to link the ORION to a nearby EMTR.1. Press the On/Off button on the HHTR. The “flash” screen appears momentarily displaying the software version number. Firmware Vn.n is replaced with the firmware version number installed in your HHTR.The Main Menu screen appears.2. Press the down arrow once to position the arrow cursor in front of the REMOTE option.3. Press the Enter button. 4. Press the Enter button to accept the default selection.DCSI: HHTRY72160-1Www.twacs.comFirmware Vn.nMain MenuOrder Serial ComREMOTEEMTR TWACSHHTR ConfigMain MenuOrder Serial ComREMOTEEMTR TWACSHHTR ConfigRemote MenuSelect:ORIONRMTR

14 TWACS® - ORION® for CENTRON® Meter User GuideORION and EMTR Communication Setup5. Press the Enter button to accept Install.6. Enter the ORION serial number in the spaces provided, if it is not automatically entered for you.7. Press the Enter button.8. Press the Enter button.9. Press the Enter button.Orion MenuSelect:InstallCom StatOrion Install MenuEnter the Serial #,Enter To AcceptOrn S/N:_______Orion Install MenuSelect:PropaneWaterElectricNat GasOrion Install MenuEnter the Serial #,Enter To AcceptEMTR S/N:_______Orion Install MenuChecking EMTR TablesPlease Wait...Orion Install MenuWriting EMTR TablesPlease Wait...Orion Install MenuWaiting for EMTR to AcquireOrion DataPlease Wait...

TWACS® - ORION® for CENTRON® Meter User Guide 15Installation and Operation10. Press the Esc button to return to the ORION Menu or press the down arrow to view the current configuration status as described in Configuration/Installation Status on page 22.If you receive an error message, press the Esc button, then repeat steps 2-10. NOTEYour previously selected options will appear on the screens when you repeat steps 2-10. Make new selections, or press the Enter button to accept each correct entry.Delete the ORION from the Remt ListIf your ORION and EMTR are not communicating, or if you need to replace a malfunctioning ORION module, this procedure provides the instructions to delete the ORION from the Remt List stored in the EMTR.Complete the following steps to delete the ORION from the EMTR.1. Press the On/Off button on the HHTR. 2. Press the down arrow button twice to position the cursor in front of the EMTR option.3. Press the Enter button.Orion Install MenuChecking EMTR TablesPlease Wait...Orion Install MenuSuccess!EMTR: XOrion: XXXXMain MenuOrder Serial ComREMOTEEMTR TWACSHHTR ConfigMain MenuOrder Serial ComREMOTEEMTR TWACSHHTR Config

16 TWACS® - ORION® for CENTRON® Meter User GuideORION and EMTR Communication Setup4. Use the arrow buttons to select Delete.5. Press the Enter button. The Remote Menu appears.6. Press the Enter button.7. Enter the serial number of the EMTR in the EMTR S/N field, if it is not automatically entered for you.8. Press the Enter button.9. Enter the Orion serial number in the Orn. S/N field, if it is not automatically entered for you.10. Press Enter to accept.The following two screens display briefly.EMTR MenuSelectStatusReplace DeleteRemt ListRemote MenuSelect:ORIONRMTREMTR: Delete OrionEnter the Serial #,Enter To AcceptEMTR S/N:_______EMTR: Delete OrionEnter the Serial #,Enter To AcceptOrn. S/N:_______EMTR: Delete OrionReceiving Orn. List,Please Wait...EMTR: Delete OrionFound Orion, Working,Please Wait...

TWACS® - ORION® for CENTRON® Meter User Guide 17Installation and OperationThe Success! screen displays, indicating that the ORION has been successfully removed from the Remt List table stored in the EMTR.11. Press the Esc button twice to return to the Main Menu screen. Replace the EMTRThis procedure downloads the Remt List from the existing EMTR to the HHTR so the Remt List can be uploaded to the replacement EMTR.Two important conditions apply to this procedure:1. The existing EMTR must be able to communicate with the ORION for the Remt List to be downloaded to the HHTR, to simplify reinstalling applicable ORIONs. NOTEIf communication is not possible, this procedure can not be performed. Replace the existing meter according to your utility procedures, and perform Install the ORION (Linking the ORION and EMTR) on page 13 to install the individual ORIONs. 2. This procedure requires the physical removal of the existing installed meter and installation of a replacement meter/EMTR combination. Perform the following procedure to replace an EMTR. If you pressed the HHTR On/Off button at the end of any previous procedure, begin with step 1. -OR-If you pressed the Esc button, begin with step 2. 1. Press the On/Off button on the HHTR. Press the down arrow button to position the cursor in front of the REMOTE option.EMTR: Delete OrionSuccess!Main MenuOrder Serial ComREMOTEEMTR TWACSHHTR Config

18 TWACS® - ORION® for CENTRON® Meter User GuideORION and EMTR Communication Setup2. Press the down arrow button to position the cursor in front of the EMTR option.3. Press the Enter button. The EMTR menu appears.4. Press the Enter button. The following screen appears.5. Press the Enter button. The following screen appears.6. Enter an Order number if different from that displayed and press Enter to Accept.The following screen appears.7. Press the Enter button. The following two screens appear.Main MenuOrder Serial ComREMOTEEMTR TWACSHHTR ConfigMain MenuOrder Serial ComREMOTEEMTR TWACSHHTR ConfigEMTR MenuSelectStatusReplace DeleteRemt. ListEMTR: ReplacementSelect:Read Old EMTRWrite New EMTREMTR: ReplacementVerify Order #XXXXXESC: No, Enter: YesEMTR: ReplacementEnter the Serial #,Enter To AcceptOld S/N: XXXXXXX

TWACS® - ORION® for CENTRON® Meter User Guide 19Installation and OperationNOTEAt this point in the procedure, the technician must replace the “old” utility meter with a replacement integrated meter/EMTR combination.8. Press the Esc button once and the following screen appears.9. Press the Enter button. The Order Number screen appears.10. Enter the order number and press the Enter button. The following screen appears.11. Press the Enter button. The following two screens appear.EMTR: ReplacementReceiving RMTR List,Please Wait...EMTR: ReplacementSuccess!EMTR: ReplacementSelect:Read Old EMTRWrite New EMTREMTR: ReplacementVerify Order #XXXXXESC: No, Enter: YesEMTR: ReplacementEnter the Serial #,Enter To AcceptNew S/N: XXXXXXXEMTR: ReplacementVerifying New EMTR,Please Wait...

20 TWACS® - ORION® for CENTRON® Meter User GuideORION and EMTR Communication Setup12. Press the Esc button three times to return to the Main Menu screen. -OR-Press the On/Off button.EMTR: ReplacementSuccess!

TWACS® - ORION® for CENTRON® Meter User Guide 21CHAPTER2TESTING, TROUBLESHOOTING, AND MAINTENANCEThis chapter explains how to test and manage typical TWACS-ORION system problems. It is useful for installers and meter shop personnel.Chapter at a GlanceTroubleshooting and Error Messages . . . . . . . . . . . . . 22Configuration/Installation Status. . . . . . . . . . . . . . 22HHTR Displayed Error Codes . . . . . . . . . . . . . . . . 26Remote Test Set (RTS) . . . . . . . . . . . . . . . . . 27Meter Shop Test System . . . . . . . . . . . . . . . . . . . 30Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 30Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . 30Return Procedures . . . . . . . . . . . . . . . . . . . . . 31

22 TWACS® - ORION® for CENTRON® Meter User GuideTroubleshooting and Error MessagesTroubleshooting and Error MessagesWhen necessary, the HHTR can run a self-diagnostics test. If there is a problem, it will respond with an appropriate error code. For RF communication, and HHTR or user error codes, refer to HHTR Displayed Error Codes on page 26. For more information about Trouble Server Applications, refer to the Trouble Server Applications chapter in the TNS documentationTroubleshooting ScenariosThere are two basic types of troubleshooting scenarios:• Configuration/Installation Status• Field TroubleshootingConfiguration/Installation StatusYou can view additional information about configuration and link status by selecting Com Stat from the ORION Menu screen. Although this information is read from the EMTR, check the RF Link Data: Acq Log (refer to step 16. of this procedure) to verify recent successful ORION/EMTR communication. Complete the following steps to view configuration and link status data.1. Press the On/Off button on the HHTR. The “flash” screen appears momentarily displaying the software version number. Firmware Vn.n is replaced with the firmware version number installed in your HHTR.The Main Menu screen appears.DCSI: HHTRY72160-1Www.twacs.comFirmware Vn.nMain MenuOrder Serial ComREMOTEEMTR TWACSHHTR Config

TWACS® - ORION® for CENTRON® Meter User Guide 23Chapter 2 • Testing, Troubleshooting, and Maintenance2. Press the down arrow once to position the arrow cursor in front of the REMOTE option.3. Press the Enter button. 4. Press the Enter button to accept the ORION default selection.5. Press the down arrow once to position the arrow cursor in front of the Com Stat option.6. Press the Enter button.7. Enter the ORION serial number in the spaces provided.8. Press the Enter button.9. Enter the EMTR serial number in the spaces provided.10. Press the Enter button.Main MenuOrder Serial ComREMOTEEMTR TWACSHHTR ConfigRemote MenuSelect:ORIONRMTROrion MenuSelect:InstallCom StatOrion MenuSelect:InstallCom StatOrion Com StatusEnter the Serial #,Enter To AcceptOrn S/N:_______Orion Com StatusEnter the Serial #,Enter To AcceptEMTR S/N:_______

24 TWACS® - ORION® for CENTRON® Meter User GuideTroubleshooting ScenariosThe following two screens appear.11. Press the down arrow or the Enter button and the following status screen appears.•Reading: displays the number on the ORION. A correct number (0000000000-9999999999) here verifies proper equipment operation. 12. Press the down arrow or the Enter button.• Ignore Meter Com.• Ignore the Hist MTR Com entry for installation purposes.•LeakDet options are Y or N. Site visit is required to locate leak if Y.• Ignore the Tamper entry for installation purposes.13. Press the down arrow or the Enter button.•RSSI (Received Signal Strength Indicator) indicates the signal strength. The range is 0-255 with 255 being the best.14. Press the down arrow or the Enter buttonOrion Com StatusCollecting data fromEMTR.Please Wait...Orion Com StatusSuccess!EMTR:_________Orion:_________Orion Com StatusBattery: N/AReading: 1234567890N/V Memory: N/AOrion Com StatusHist MTR Com: N/AMeter Com: N/ALeakDet: N Tamper: NOrion Com StatusRF Link Data:PA: N/ALink: N/A RSSI: 123

TWACS® - ORION® for CENTRON® Meter User Guide 25Chapter 2 • Testing, Troubleshooting, and MaintenanceIgnore this screen for installation purposes.15. Press the down arrow or the Enter buttonIgnore this screen for installation purposes.16. Press the down arrow or the Enter buttonThe Acq Log displays 24 bits (in three groups of eight) representing the hourly check-in for the last 24 hours. A one (1) indicates that the hourly check-in was successful and a zero (0) indicates that it was not. The least significant bit (bottom right) indicates the past hour check-in status. Each hour the bits are shifted one position to the left. In the example below, the ORION successfully checked in the past hour, but did not for each of the previous three hours.Press the On/Off button to turn the HHTR Off.Field TroubleshootingThe most likely field troubleshooting scenario is a failure of the power up LED to flash. If the LED on theTWACS-ORION system is not flashing, ensure that the TWACS-enabled meter is receiving the appropriate power according to its specific form and voltage (refer to Installation on page 21). You may use a Remote Test Set (RTS) for further testing or return the meter to the Meter Shop for further diagnostics.Last Ch: N/ARF Link Data:Acq Failures: 0Orion Com StatusOrion Com StatusLnk Abandonment: N/ARF Link Data:Error Code: N/AOrion Com StatusRF Link Data: 24 HrAcq Log: 00000000 0000000000000000Acq Log: 1111111111111101 11110001

26 TWACS® - ORION® for CENTRON® Meter User GuideTroubleshooting ScenariosHHTR Displayed Error CodesThe following table lists the error code number and error message text that the HHTR displays when the specific error is encountered while using the HHTR to communicate with the TWACS-ORION system.Table 0.1Error Code Description and SolutionError Description SolutionThe following error codes are RF communication errors.01 RF Error General error. Retry the command.02 Service Not Supported Service is not supported. Retry the command.03 Not used04 Operation Not Possible RF error. Retry the command.05 Inappropriate Action Requested RF error. Retry the command.06 RF Device Busy RF error. Retry the command.07 Data From Device Not Ready RF error. (Usually memory) Retry the command.31 RF Device Sent NAK RF error Retry the command.32 Can not acquire an RF Link RF error Retry the command.33 Operation Timed Out Operation time expired without success. Retry the command.The following error codes are internal HHTR or user errors.101 RF PIC sends a NAK The RFPIC isn't ready or doesn't understand the command. The RF PIC internal to the HHTR has failed. Retry the command.102 RF PIC is busy RFPIC is performing another operation and is currently busy. The RF PIC internal to the HHTR was in the middle of another command. Retry the command.103 No response from RF PIC on HHTR The RFPIC isn't responding to the UI. No Response from the RF PIC. The RF PIC didn't respond to the UI processor. Retry the command.104 RF PIC send invalid response The RFPIC sent an invalid response to the UI. The HHTR UI processor didn't recognize the response from the RF PIC. Retry the command.105 Operation canceled Indicates the Esc button was pressed during an operation. The user aborted the last command.106 RMTR-EMTR session failed The HHTR timed out waiting for the RMTR to respond back to the HHTR.The HHTR was unable to link to the requested EMTR. Verify the serial number and retry the command.

TWACS® - ORION® for CENTRON® Meter User Guide 27Chapter 2 • Testing, Troubleshooting, and MaintenanceRemote Test Set (RTS)Follow the procedures below to verify that the RTS can communicate to the TWACS-ORION system.WARNINGInstallers must follow all utility electrical safety requirements before connecting the RTS.Consult applicable utility procedures when troubleshooting this equipment.1. Connect the RTS according to procedures outlined in the RTS User Guide, Y10228TM.2. Connect the RTS to an appropriate power source, 120VAC or 240VAC.107 No Space Available in EMTR. The Table is Full. The EMTR is at capacity. It can not accept additional Remotess. A Remote must be removed before adding another.112 EMTR already has Remotes assigned Can not program a new EMTR with the data from an old EMTR because the new EMTR already has Remotes assigned. Remove all Remotes from the new EMTR first.113 The New EMTR can not accept xx Number of Remotes.Can not program a new EMTR with the data from an old EMTR because the new EMTR can not store as many Remote as the old EMTR.114 An order needs to be created first. Use the order menuWhen replacing an EMTR, the HHTR needs to store the Remt list. An “order number” needs to be assigned so that the HHTR has a location to store the list. Select “order” from the main menu, select “new” and enter a number.208 ORION S/N Already exists in the EMTR Table. Can not install the selected ORION because it is already installed.209 The Selected ORION is NOT in the EMTR Table. Can not remove the ORION nor perform a Com Status because that ORION is not installed to the selected EMTR. Check serial number and try again.211 Service is Full, Can not add ORION to the EMTR List.This service in the EMTR is at capacity. It can not accept additional Orions.An ORION must be removed from this service before adding another.215 The Selected Remt. is NOT an Orion.Table 0.1Error Code Description and SolutionError Description Solution

28 TWACS® - ORION® for CENTRON® Meter User GuideTroubleshooting Scenarios3. Turn the power switch to the ON position. The initial screen appears, displaying the version of firmware, date, time, line voltage, and the frequency of the line voltage:Figure 2.1 RTS initial screen4. Press the Cont button on the RTS to display the RTS Main Menu. The Main Menu screen appears:Figure 2.2 RTS main menu5. Press 1 for communications setup. This action brings up the RTS Transponder Menu.Figure 2.3 RTS transponder menu6. Press on the Scroll Down button to select the type of remote communication. Scroll down to find the screen that reads “Electronic Meter Transponder (EMT)” and press Enter.7. At the ENTER SERIAL NUMBER prompt on the next screen, input the TWACS serial number of the unit (see picture below to locate serial number) to be tested (press DEL to correct errors) and press Enter.

TWACS® - ORION® for CENTRON® Meter User Guide 29Chapter 2 • Testing, Troubleshooting, and MaintenanceFigure 2.4 TWACS serial number location8. The RTS will attempt to communicate with the TWACS-ORION system. A series of setup screens will appear.Figure 2.5 RTS setup screensThe RTS begins with a firing angle of 14 degrees and gradually increases until it fails or until communication setup is complete.Table 2.2RTS communication success or failureIf the communication… Then…fails the firing angle sequence will end at 26 degrees and start over at 14 degrees. Check the electrical connections and verify that the correct TWACS serial number was entered. If there is no problem with the setup, replace the TWACS-enabled meter and retry the communication setup. Return the failed meter to the meter shop. Refer to Return Procedures on page 31.succeeds the following screen appears:Select TWACS Serial Number

30 TWACS® - ORION® for CENTRON® Meter User GuideMeter Shop Test System9. At this point, the RTS has verified that the TWACS-ORION system is capable of communicating. To further verify that the communication is reliable, select any command to conduct another test. (For more details on RTS commands, refer to the Common Generic Commands section in RTS User Guide). Or, if testing is complete, turn off the power switch.10. Wait 15 minutes to allow the thermal capacity to recover. Then verify that the TWACS-ORION system can communicate with the software system11. If the TWACS-ORION system is not communicating, return the meter to the Meter Shop for additional testing.Meter Shop Test SystemUse the Meter Shop Test System (MSTS) to test TWACS signaling, read select transponder registers, zero select transponder registers, and perform various other transponder functions on the TWACS-ORION system. MSTS configurations exist for both the meter shop and field use. The hardware components vary for each configuration, but all configurations utilize DCSI's Meter Shop Test Tool software. (For information about the MSTS, contact your Program Manager or DCSI Customer Care at care@twacs.com or 1-800-892-9008.) Complete details on testing the TWACS-ORION system are available through the Meter Shop Test System Help, accessed by clicking the Help button on the Meter Shop Test Tool main menu.Two modes of communication with the TWACS-ORION system are available through the Meter Shop Test System: TWACS signaling and serial communication. (Refer to Meter Shop Test System Help for the benefits and use for each.) To use the serial communication option, you must have the correct SIA Cable Assembly, which is available through DCSI. If you are unable to resolve a problem with the TWACS-ORION system, return the meter to your integrator or DCSI. See Return Procedures on page 31.MaintenanceThe TWACS-ORION system requires no maintenance.WarrantyRefer to contract terms for warranty information.

TWACS® - ORION® for CENTRON® Meter User Guide 31Chapter 2 • Testing, Troubleshooting, and MaintenanceReturn ProceduresElectromechanical meters/modules which have been integrated or retrofitted by a third party, must be returned to the third party. Please do not return third party integrated meters/modules to DCSI. Contact the third party to obtain their “Return Authorization Number” and shipping instructions and return the meter/module directly to the integrator/retrofitter. If you are a DCSI certified integrator, and the product is under warranty and cannot be repaired in the meter shop, remove the module from the meter and complete the following procedures.Before returning the product to DCSI, refer to contract terms for warranty information. 1. Send your return request via email to rma@twacs.com with the following information:•Company name (Distributor name and location (City, State) if applicable)•Ship to name and address •Contact name, phone number, and email address•DCSI part number of each item•Total quantity (by DCSI part number) for each returned item •Serial number of each item•Specific reason for return of each item•Manufacturer number (number starting with A/M/V/C/W) of each RCE item•Description of each returned item •Substation Communications Equipment (SCE) name•You will receive an email from DCSI within 24 hours, excluding weekends and holidays. •Upon receipt of all required information you will receive a Return Material Authorization (RMA) with the shipping instructions.IMPORTANTItems should be properly packaged to avoid shipping/handling damage during transit.

32 TWACS® - ORION® for CENTRON® Meter User GuideReturn ProceduresItems must be packaged in individual anti-static or static dissipative bags and packed in sturdy, appropriately sized commercial boxes with packing material (styrofoam peanuts, bubblewrap, paper, etc.) arranged to prevent movement; in single layers; with the appropriate packaging between layers. Original packaging with dividers should be retained, reused, and re-identified if possible.2. Mark the outside of the shipping container with the RMA number on the address label as shown in the following example:Figure 2.6 Return address Label3. Upon shipment, email rma@twacs.com with the shipping information (Carrier Name, Waybill/Pro/Tracking Number and Date item left your facility) so DCSI can track the shipment.4. If an item is out of warranty, please contact rma@twacs.com for a diagnostic estimate prior to return.IMPORTANTItems not packaged in accordance with DCSI packing requirements will not be accepted and will be returned freight collect. Please refer to the Returned Merchandise Packing Requirement Service Advisory (Y10377TM) for DCSI approved methods and materials. Contact DCSI Customer Care at care@twacs.com to receive a copy of this service advisory.If you have any additional questions regarding returns, contact rma@twacs.com.

TWACS® - ORION® for CENTRON® Meter User Guide 33CHAPTER3SPECIFICATIONSThis chapter contains electrical, environmental, and physical specifications for the EMTR and HHTR.Chapter at a GlanceElectrical Specifications. . . . . . . . . . . . . . . . . . . 34Electrical Ratings. . . . . . . . . . . . . . . . . . . . . 34Compliance Specifications. . . . . . . . . . . . . . . . . 34Environmental Specifications . . . . . . . . . . . . . . . . 35Physical Specifications . . . . . . . . . . . . . . . . . . . 35

34 TWACS® - ORION® for CENTRON® Meter User GuideElectrical SpecificationsElectrical SpecificationsThe electrical specifications include:• Electrical ratings• Compliance SpecificationsElectrical RatingsThe following table provides the electrical ratings.Compliance SpecificationsThe following table provides the compliance specifications.NOTEANSI C12.1-2001 is the referring standard for tests listed in tables 5.2, 5.3, and 5.4. Table 3.1Electrical ratingsParameter RatingVoltage 6V<=V<=12VQuiescent power 25mA approximateMaximum input surge 100mA maximumInternal fusing NoneGrounding NoneElectronics connection The EMTR is connected to the EMT-3C-MP transponder during meter/transponder integration.Electronics isolation Refer to the Electronic Metering Transponder for CENTRON Meter User Guide Y10317TM Rev. A.Table 3.2Compliance specificationsTest Title Applicable SpecificationEMI/RFI Emission conducted/radiated ANSI C12.1-2001 Test No. 27- “Radio Frequency Conducted and Radiated Emissions” per CFR 47 Part 15, Class A and B. (See also ANSI C63.4)EMI/RFI Susceptibility ANSI C12.1-2001 Test No. 26- “Effect of Radio Frequency Interference” AC line surge ANSI C12.1-2001/IEEE C62.41-1991 Test No. 17- “Effect of High Voltage Line Surges” Electrical fast transient ANSI C12.1-2001 Test No. 25- “Electrical Fast Transient/Burst” (Testing at 100 and 400 KHz is required) IEC 801-4: 1988 Surge withstand capability FT and OSC ANSI/IEEE C.37.90.1 - 2002

TWACS® - ORION® for CENTRON® Meter User Guide 35Chapter 3 • SpecificationsNOTEPer Measurement Canada, Specifications/Standards LMG-EG-07 & PS-E-09-E are used to verify compliance with Canadian criteria. Environmental SpecificationsThe following table provides the environmental specifications.Physical SpecificationsThe following table provides the physical specifications.High voltage isolation on meter chassis ANSI C12.1-2001 Test No. 15- “Insulation”Voltage interruption test ANSI C12.1-2001 Test No. 16- “Voltage Interruption”Effect of electrostatic discharge ANSI C12.1-2001 Test No. 28- “Effect of Electric Discharge (ESD)”Effect of Variation of Frequency ANSI C12.1-2001. Test #6Effect of Variation of Voltage on the Metering DeviceANSI C12.1-2001. Test #5.Table 3.2Compliance specificationsTest Title Applicable SpecificationTable 3.3Environmental specificationsThermalEffect of operating temperature Per ANSI C12.1-2001 Test No. 30HumidityEffect of relative humidity, both operational and storage Per ANSI C12.1-2001 Test No. 31Table 3.4Physical specificationsParameter SpecificationSize, weight, form factorIntegrated dimensions Meter-specificInstallation instructions Provided with shipping package. One per TWACS-enabled meter carton.Compliance Testing SpecificationsMechanical tests• Mechanical Shock• Mechanical Vibration• Transportation Drop Test• Transportation VibrationPer relevant sections of ANSI C12.1 - 2001 described below:• Test #32, per IEC 60068 part 2-27• Test #34, per IEC 60068 part 2-6• Test #33, per ISTA Test Procedure 1A• Test #35, per ISTA Test Procedure 1A

TWACS® - ORION® for CENTRON® Meter User Guide 37ADLC Asynchronous Data Link ControlAMR Automatic Meter ReadingAP Alternate PathmapsASCII American Standard Code for Information InterchangeBPA Backplane AssemblyCCA Card Cage AssemblyCCE Central Control EquipmentCIS Customer Information SystemCLI Command Line InterfaceCMT Commercial Meter TransponderCPSA CRU Power Supply AssemblyCRA Correlation Receiver AssemblyCRMA Correlation Receiver Multiplexer AssemblyCRPA Correlation Receiver Processor AssemblyCRU Control and Receiving UnitCT Current TransformerDCPA Direct Current Power AssemblyDCSI Distribution Control Systems, Inc.DP Diagnostic PendingDPA Distribution Panel AssemblyDS Diagnostic SetDSI Disconnect Switch InterbaseEMA Electronic Metering AssemblyEMTR Electronic Meter TransceiverEOM End of MessageFEP Front-End ProcessorFCC Federal Communication CommissionFSK Frequency Shift KeyingGUI Graphical User InterfaceHHTR Hand Held TransceiverIC Incomplete IMT/CMT DataILS Integrated Load SurveyAcronyms

38 TWACS® - ORION® for CENTRON® Meter User GuideAcronymsIMA Inbound Multiplexer AssemblyIMT Integrated Metering TransponderIP In ProgressIPU Inbound Pickup UnitISM Industrial, Science, and Medical KWH Kilowatt HoursLCT Load Control TransponderLS Load SurveyMIT Meter Interface TransponderMS Master StationMSFE Master Station Field EquipmentMTU Modulation Transformer UnitNA Invalid DataNS Register Not SupportedODBC Open Database Connectivity OFIA Outbound Fiber Optics Interface AssemblyOK Successful ReadOMU Outbound Modulation UnitOPA Outbound Processor AssemblyPD Partial DataPE PendingPR Pending Retry QC Quality CodeRC Reasonability Check FailedRCE Remote Communications EquipmentRF Radio FrequencyRI Reset In ProgressRL Register Length InvalidRM Read MeterRMTR Remote MeterTransceiverRO Retry OverrideRPA Receiver Processor AssemblyRSSI Received Signal Strength IndicatorSCADA Supervisory Control and Data AcquisitionSCE Substation Communications Equipment

TWACS® - ORION® for CENTRON® Meter User Guide 39AcronymsSCPA Substation Communications Processor AssemblySDC Service Disconnect/ConnectSP Substation StatusSTS Substation Test SetTC Total ConsumptionTD Total DemandTNS TWACS Net ServerTOU Time of UseTP Tamper PendingTS Tamper SetTWACS Two-Way Automatic Communication SystemUHF Ultra High FrequencyZC Zero Crossing

40 TWACS® - ORION® for CENTRON® Meter User GuideAcronyms

TWACS® - ORION® for CENTRON® Meter User Guide 41American National Standards Institute (ANSI)An independent, U.S.-based technical standards organization.AMRSee Automatic Meter Reading.ANSISee American National Standards Institute.Automatic Meter Reading (AMR)Electronic accumulation and transport of meter data.billing demand informationConsists of the demand reset count, which increments, and the demand previous billing.billing readDefines the registers used during one-time scheduled reads and on-request reads.DSHTBill read (Daily Shift Billing)Defines the registers used during recurring scheduled reads; normally used to create billing files.blink countSee power-down count.bus identificationIdentifies the substation bus to which DCSI’s equipment is connect.CCESee Central Control Equipment.Central Control Equipment (CCE)The top level of the TWACS system hierarchy, also referred to as the Master Station. The CCE typically resides at the utility home office, providing system control and data storage for the TWACS system.CISSee Customer Information System.Glossary

42 TWACS® - ORION® for CENTRON® Meter User GuideGlossaryCMTSee Commercial Metering Transponder.Customer Information System (CIS)A computer database that utilities use to keep track of their customer information (name, address, phone, meter serial number). Often includes bill printing functionality.Commercial Metering Transponder (CMT)An electronic assembly integrated into a commercial application electric meter to add TWACS communications capability to the meter.Daylight Saving Time (DST)Daylight Saving Time is the practice of turning the clock ahead in the Spring and back again in the Fall.delayThe number of minutes after the interval has occurred before the SCE attempts to send a time sync command to the RCE.demandThe rate at which power is delivered over a specified period of time; the rate of consumption. Demand is expressed in kilowatts.demand intervalThe specified interval of time on which a demand measurement is based. Intervals are commonly specified as 15, 30, and 60 minutes.demand meterA metering device that indicates or records demand, maximum demand, or both.detection pointIdentifies the specific conductor on which the inbound signal is detected. This point is identified as either A phase, B phase, C phase, or neutral.dial encoderA device that encodes or converts the position of metering dials (normally used in water meters) into an electrical signal for subsequent processing and transmission.DSTSee Daylight Saving Time

TWACS® - ORION® for CENTRON® Meter User Guide 43Electronic Metering Assembly (EMA)An electronic assembly integrated into an electric meter to add TWACS communications capability to the meter.Electronic Meter Transceiver (EMTR)An electronic communication device that transmits and receives using RF transmission.EMASee Electronic Metering Assembly.EMTRSee Electronic Meter Transceiver.Federal Communication Commission (FCC)The Federal Communications Commission (FCC) is an independent United States government agency, directly responsible to Congress, and is charged with regulating interstate and international communications by radio, television, wire, satellite and cable. Among its duties, the FCC is responsible for rating personal computers and other electronic equipment as either Class A or Class B. The ratings indicate how much radiation a particular device emits.feeder identificationIdentifies which feeders are connected to which bus(es).firing angleThe place on the sine wave where the RTS places the TWACS signal.frequency shift keyingA data transmission control method that modulates, i.e. “shifts” between two radio frequencies.hand held transceiver (HHTR)A control device used to set up, link, and establish communication between the EMTR and RMTR components of the TWACS RF system.industrial, science, and medical (ISM)An unlicensed radio frequency band.intervalA relatively short time period over which energy use data is recorded by the transponder. The interval may be set for 15, 30, or 60 minutes, depending on the transponder type. Interval data is recorded for each consecutive interval.

44 TWACS® - ORION® for CENTRON® Meter User GuideGlossaryinterval dataA breakdown of consumption over specific intervals of time.ISMSee Industrial, Science, and Medical.load profileRecording, storing, and analyzing consumption data over a period of time for a particular installation.master stationSee Central Control Equipment (CCE).maximum demandThe highest demand measured over a selected period of time, such as one month. Meter Integration and Meter Test (MIMT)A department within DCSI that reviews utility meter programming files and determines register programming requirements.MIMTSee Meter Integration and Meter Test.nonvolatile memoryA physical data storage area that maintains its content when the power is turned off.on-demand readsAn unscheduled command to read a register.ORION TransmitterA one-way (simplex) radio frequency transmitter, manufactured by Badger Meter Inc., that allows retrieval of metering data from pit-set water, water, and gas meters. It periodically broadcasts a data packet.PCBSee Printed Circuit Board.peak demandSee maximim demand.

TWACS® - ORION® for CENTRON® Meter User Guide 45phaseThe current supply conductors, other than the neutral conductor of a polyphase circuit, that usually carry the designation A phase, B phase, C phase.power-down countA voltage interruption greater than 0.1 seconds that the module will count as a power outage and will increase the power-down count register by one. Sometimes referred to as blink count.previous billing demandThe maximum kW, or demand, as recorded at the time of the last reset. This value is normally used for billing purposes.previous interval demandThe demand value stored in the meter that reflects the demand prior to the last reset.Printed Circuit Board (PCB)A thin plate on which electronic components are placed.pulserAn electronic or magnetic device that generates electric pulses in a quantity that is proportional to the physical variable under measurement and which the pulses represent.rate classA rate class is a set of registers read for a particular class of customer with a particular meter model. It defines registers used for Billing and DSHTBill reads.RCESee Remote Communication Equipment.received signal strength indicator (RSSI)A value indicating the strength of the received radio frequency signal.registersData storage locations on the transponder microprocessor that contain a variety of information that is retrievable by the master station. The type of data in registers includes consumption and demand data

46 TWACS® - ORION® for CENTRON® Meter User GuideGlossaryRemote Communication Equipment (RCE)The base of the TWACS system hierarchy. RCEs consist of the DCSI family of transponder products. RCEs are located at customer sites and interface TWACS communication with various end devices such as meters, water heaters, and air conditioning units to enable automatic meter reading (AMR), load management, or other functions.Remote Test Set (RTS)A TWACS communications test device used at a remote site to communicate locally, using TWACS, to a transponder over the power line.Remote Meter Transceiver (RMTR)An electronic communication device that transmits accumulated data using RF transmission.Remote Acquisition ListA list of Remote Meter Transceivers stored in the EMTR.RSSISee Received Signal Strength Indicator.RTSSee Remote Test Set.SCESee Substation Communication Equipment.Serial Time Unit (STU)A 2.5 seconds interval of time and the unit of measure of DCSI’s Serial Time system. The intervals of time begin at 12:00 midnight on a cyclic 24-hour basis. Example: 1:00 a.m. would in serial time: signal modeIdentifies the path combination used during outbound communications. This combination can be either line-to-ground or line-to-line.STUSee Serial Time Unit

TWACS® - ORION® for CENTRON® Meter User Guide 47Substation Communications Equipment (SCE)The middle tier of the TWACS system hierarchy, consisting of all TWACS substation equipment (CRU, OMU, IPU, and MTU). The SCE transmits and receives data between CCE and RCE.time-of-use (TOU)A multiple tiered billing technique based on when the consumer uses the energy.TNSSee TWACS Net Server.TOUSee time-of-usetranspondersTwo-way field devices that can receive and send messages to and from the substation.TWACS See Two-Way Automatic Communication System.TWACS Net Server (TNS)Chief component of the entire Two-Way Automatic Communication System. Manages all collected metering and interval data as well as the connection between the utility and the consumer’s premises.Two-Way Automatic Communication System (TWACS)A patented technology that allows the utility to send and retrieve information to and from meters and other devices using the utility’s power lines as a communication network.Ultra High Frequency (UHF)A frequency range in the radio frequency spectrum between 300 MHz and 3.0 GHz.windowThe amount of time in minutes available after the delay has occurred for the SCE to send a date/time command.

48 TWACS® - ORION® for CENTRON® Meter User GuideGlossary

TWACS® - ORION® for CENTRON® Meter User Guide 49Aacquisition list, Remt 8, 15, 17acronyms 37ANSI 41BBadger Meter, Inc 2Ccare@twacs.com 4caution icon 3communication 9compliance specifications 34current configuration 15customer care 4DDelete 15Eelectric meter transceiver 2, 4, 17electrical ratings 34electrical specifications 34EMTRSee electric meter transceiverenvironmental specifications 35error codes 22FFCCSee federal communications commissionfederal communications commission 3firing angle 29frequency hopping 3frequency shift keying 3FSKSee frequency shift keyingGglossary 41Hhand held transceiver 2, 6keypad functions 6menus 7HHTRSee hand held transceiverIindustrial, science, and medical band 3ISM bandSee industrial, science, and medical bandLlabeling requirements 36line of sight 2, 9linking, ORION and EMTR 13Mmaintenance 30menus, HHTREMTR 8delete 8Remt list 8replace 8status 8HHTR Config 8diags 8power 8setup 8status 8Remote 7RMTR 8TWACS 8HRTS 8TWACS modem 8Meter Shop Testing 30OORION 12, 13, 24ORION transmitter 5Com Stat 8Install 7Pphysical specifications 35purpose 3Rradio frequency range 3Repair Procedures 30return material authorization (RMA) 31return procedures 31RF equipment installationenvironmental conditions 9field installing a replacement EMTR module12pre-installation field survey 9rma@twacs.com 31, 32RSSI 24RTS 27, 28main menu 28Index

50 TWACS® - ORION® for CENTRON® Meter User GuideIndexsetup screens 29transponder menu 28RTS Main Menu 28RTS Transponder Menu 28Ssafety equipment 11self-diagnostics test 22serial number 28specifications 33compliance 34electrical 34environmental 35physical 35Tthermal capacity 30TroubleshootingField 26TNG 22TWACS - ORION systemelectric meter transceiver 2hand held transceiver 2TWACS Net Server (TNS) 2Two-Way Automatic Communication Sys-tem (TWACS) 2Wwarning icon 3warnings 2warranty 30

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