CWT-M4-4G 4Di+4Do 4g Modbus Tcp IO Module, 4g Modbus Controller
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CWT-M4-4G 4Di+4Do 4g Modbus Tcp IO Module, 4g Modbus Controller

$84.00
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Wireless Modbus IO module Model IO port LoRaVersion Wi-FiVersion 4GVersion CWT-L2 1Di + 1DO (transistor) + 2Ai (4-20mA) Link Link Link CWT-L3 2Di + 2Ai (4-20mA) Link Link Link CWT-L4 4Ai (4-20mA) Link Link Link CWT-M4 4Di + 4DO (transistor) Link Link Link CWT-M5 3Di + 3DO (relay) Link Link Link CWT-M6 2Di + 3DO (relay) + 1Ai (4-20mA) Link Link Link CWT-S6 4Di + 4DO (transistor) + 4Ai (4-20mA) + 4Ti (18B20) Link Link Link CWT-S8 8Di + 8DO (transistor) + 4Ai (4-20mA) Link Link Link CWT-S12 12Di + 4DO (transistor) + 4Ai (4-20mA) Link Link Link   How does Scada system poll 4G Modbus IO module? Usually, SCADA cannot directly poll 4g Modbus io module due to 4g network do not provide static public IP address for simcard (except VPN), so CWT provide a Modbus TCP server tool to work with Scada in server，Modbus TCP server only forward message between Scada and 4g M

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