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ME31-AXAX4040 4 way Analog input Modbus gateway support network module ethernet io module
[Introduction]：ME31-AXAX4040 is a network I/O networking module with 4-way A relay output and 4-way dry connection input detection, supporting Modbus TCP protocol or Modbus RTU protocol, and the device can also be used as a simple Modbus gateway (automatically issuing non-native Modbus address instructions via serial /gateway).
| number | port | Description |
|---|---|---|
| 1 | DC8-28V（V-） | Negative power input terminal, DC 8V~28V |
| 2 | DC8-28V（V+） | Positive power input terminal, DC 8V~28V |
| 3 | NO1 | Relay 1 normally open pin, used in conjunction with the common terminal of relay 1 |
| 4 | COM1 | Relay 1 common terminal, used in conjunction with relay 1 normally open pin |
| 5 | NO2 | Relay 2 normally open pin, used in conjunction with the common terminal of relay 2 |
| 6 | COM2 | Relay 2 common terminal, used in conjunction with relay 2 normally open pin |
| 7 | NO3 | Relay 3 normally open pin, used in conjunction with the common terminal of relay 3 |
| 8 | COM3 | Relay 3 common terminal, used in conjunction with relay 3 normally open pin |
| 9 | NO4 | Relay 4 normally open pin, used in conjunction with the common terminal of relay 4 |
| 10 | COM4 | Relay 4 common terminal, used in conjunction with relay 4 normally open pin |
| 11 | 485-B | RS485 interface B is connected to the external device interface B |
| 12 | 485-A | RS485 interface A is connected to the external device interface A |
| 13 | GND | Switch amount input ground |
| 14 | DI1 | The switch amount input channel 1 forms a dry connection with the GND |
| 15 | DI2 | The switch amount input channel 2 forms a dry connection with the GND |
| 16 | DI3 | The switch amount input channel 3 forms a dry connection with the GND |
| 17 | DI4 | The switch amount input channel 4 forms a dry connection with the GND |
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