Ebyte MA02-AXCX4020 Serial IO module Serial to Ethernet RS232 Serial module Support Modbus
[Specifications]：4DI + 2DO
[Interface mode]：RS232
[Installation method]：positioning hole
[Size]：50*80mm
[Introduction]：MA02-AACX4020 is supported for the acquisition of 4-way sensor switch volume input (DI),converted to serial port (RS232) data transfer to configuration software or PLC.The serial port I/O networking module (also known as the "remote IO") controls the 2-way relay switch output (DO) through the remote acquisition and control function.
| Serial number | Pin | Pin direction | remarks |
|---|---|---|---|
| 1 | DO2 | Switch output channel 2 | The relay has normally open and normally closed terminals |
| 2 | DO1 | Switch output channel 1 | The relay has normally open and normally closed terminals |
| 3 | DI2 | Switch input channel 2 | Recommend RVV 2*0.5 wire |
| 4 | DI1 | Switch input channel 1 | Recommend RVV 2*0.5 wire |
| 5 | B/RX | RS485 corresponding to B | Recommend RVSP 3*0.5 wire |
| 6 | A/TX | RS485 corresponds to A | Recommend RVSP 3*0.5 wire |
| 7 | GND | Signal ground | Recommend RVSP 3*0.5 wire |
| 8 | COM | Input channel common | Recommend RVV 2*0.5 wire |
| 9 | DI4 | Switch input channel 4 | Recommend RVV 2*0.5 wire |
| 10 | DI3 | Switch input channel 3 | Recommend RVV 2*0.5 wire |