Product Name: DC 12V 4Ch Digital Switch DiDo Multifunction RS485 PLC IO Expanding Board Standard Modbus RTU Relay Module

Package inlcuded:

1PCS 12V DC 4 Channel DI-DO Modbus RTU RS485 Relay Board

Description:

1. DC 12V

2. Standby current (all relays closed) 11MA, 1 relay open 30MA, 2 relays open 49MA, 3 relays open 65MA,4 relays open 82MA,5 relays open 101MA,6 relays open 120MA, 7 relays open 138MA,8 relays open 156MA

3. 4 photoelectric isolation Input ports (NPN low level active ).

The input-output relationship can be set to various association modes through instructions(Self-lockingdefault)/Interlocking/Momentary/Interlocking/Output=Input)

4. Support standard Modbus RTU command, function code, write 05/06/15/16 read 01/02/03

5. With hardware reset function, with TVS anti-surge protection

6. 4 opto-isolated inputs (NPN), 4 relay outputs (upgraded relays, more durable)

7. MODBUS commands can be made serial HyperTerminal (serial assistant) OR ''Modbus Poll''Enter;

8. Under the MODBUS command mode, it can support up to 64 devices in parallel
9 The default baud rate is 9600BPS. The baud rate can be selected by Conmand 2400 4800 9600 19200 38400 57600 115200BPS

10 The parity can be none parity, even parity and odd parity

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

12 Size: 136 * 72 * 12mm(Only PCB Board);138 * 82*40mm(with Din Rail Box)

13 Weight: 143g(Only PCB Board);239g(with Din Rail Box)

14 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC

Upgraded Features:

MODBUS RTU Function Code 01 05