R4D5E32 32CH DC 12V/24V 20A High Current RS485/Ethernet Slave Relay Module RJ45 Network Port TCP/IP Modbus RTU Board


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SKU: POA9893253 Category: Tag:



1. DC 12V (12V Version),DC 24V (24V Version).

2. Standby current (all relays closed) 15MA, 1 relay open 85MA, 2 relays open 156MA,3relays open 227MA,4relays open 299MA,5relays open 369MA,6relays open 439MA,7relays open 510MA,8relays open 582MA.Each relay requires 70MA drive current.

3. Old command (default) :”open” ”close” ”Momentary” ”Self-locking” ”Interlock” ”Delay” 6 Commands.

4. MODBUS old command (default) supports 03 06 16 function code.

5. MODBUS new command (M0 welding) supports 01 03 05 06 16 function code.

6. MODBUS commands can be made serial HyperTerminal (serial assistant) OR”Modbus Poll”Enter.

7. Under the MODBUS command mode, it can support up to 64 devices in parallel.

8. The default baud rate is 9600BPS. The baud rate can be set by command : 2400 4800 9600 19200 38400 57600 115200BPS.

9.The checkmethods can be none parity check, even parity check and oddparity check.

10. The data sending and returning time can be set,with a maximum value of 1000ms.

11. Size: 310 * 122 * 25mm(Only PCB Board);320 * 132*46mm(with Din Rail Box).

12. Weight: 1000g(Only PCB Board);1100(with Din Rail Box).

13. Maximum load: 20A / 250VAC, 20A / 125VAC, 20A / 30VDC, 20A / 28VDC, 20A / 12VDC.


– 20A high Current Relay

– Network port / RS485 port

– Network port reset to factory settings

– TVS anti-surge protection

– MODBUS RTU Old Command 03 06 16

– MODBUS RTU New Command 01 05 03 06 16

– Support more baud rates, can modify the parity bit


– PLC IO expansion board

– Smart Home,Home Automation ,Wiser Home

– PTZ Camera

– Security Monitoring

– Identification system

– IP Camera

– LED Lamp Drivers

– Automatic curtain control

Package Include:

Type1:12V RS485 Slave Relay Module×1

Type2: 24V RS485 Slave Relay Module×1

Type3: 12V Ethernet Slave Relay Module×1

Type4: 24V Ethernet Slave Relay Module×1

Additional information

Weight 1 kg

12V Only RS485


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