Hexing Electrical MJN956 AMI Meter HexNet User Manual

Hexing Electrical Co.,Ltd AMI Meter HexNet Users Manual

Users Manual

AMI Meter HexNet （MJN956） User Manual Version Maker DateV0.0.1 Shen Dongdong 2017.11.24 HexingElectricalCo.,Ltd.
〉〉〉AMI Meter HexNet (MJN956）1.Product IntroductionThe AMI Meter HexNet is a highly integrated half-duplex micropower wireless data transmission device. The Single Phase HexNet embedded high-performance RF chip. User programming has very good flexibility. This device operating frequency include 916.25-926.65MHz. The real figure as shown in the figure below. The AMI Meter HexNet is mainly used in power system, electricity information collection system.Mainly include the following equipments： Data Collector，Smart Electric Meter，etc.
2.RF Module Chip Diagram3.RF Module Pin DefinitionPin number Signal nameSignal categorySignal direction1,2VCCPowerI3,4GNDGNDI5TXDUarttransmitPinO6RXDUartreceivePinI7D3.3VPowerO8/RSTRESETPinI9EVENTINEventPinI10//N5. RF operationInsert the HexNet on user’s device，can use uart to communicate with HexNet device.User don’t change anyting of the device，they will very easy to set up their communication network. 6. Installation instructions1）Please insert MJN956 on the corresponding interface, and ensure the pin interface definitions are consistent with MJN956. 2）Interfaces are defined as follows：
13579246810PIN PIN InterfacedefinitionSignal category DirectionDescription1,2VCCPowerCommunication device analog partofthepowersupply,voltageis5-15.5V.3,4GNDGND GND5TXDSignalOCommunicationdata (TTL3.3V level), serial portcommunicatingwith the base table.Sendfrommodule6RXDSignalICommunicationdata reception (3.3 V TTL level), serialportcommunicatingwiththebasetable.Receivetomodule7D3.3VPowerPowerprovidedbythemodule,communicationmoduleofdigitalpartofpower,voltageof3.3V+/‐5%,theminimumcurrent50ma,withVCCpowersupply,theisolationopticalcouplingusedtodrivethecommunicationinterface.8/RSTResetIResetmodule(lowleveleffectively,effectiveleveltime100milliseconds)9EVENTINEventIEventmodule(Eventsreported)10///Reserved3）Equipment flip cover and seal 4）Terminal equipment using the lid well 5）Provide equipment machine right alternating current (AC) on the site 6）Equipment terminal cover screw to play well, and make seal
Installedinthesample
InstalledinthesampleElectric meter models only for reference. 
Note： 1 Thank you for using products of Hexing Electrical Co., Ltd. Please read this warning before using our products. If you have already started to use is that you have read and accept our all this. 2 All the final explanation and modification rights for all materials were reserved by Hexing Electrical Co., Ltd. This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: (1)This device may not cause harmful interference,and (2)this device must accept any interference received,including interference that may cause undesired operation. To satisfy FCC RF Exposure requirements for this transmission device,a separation distance of 20cm or more should be maintained between the antenna of this device and persons during operation. To ensure compliance,operation at closer than this distance is not recommended.The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

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