R4A8H08 RS485 Modbus RTU PLC I/O Module with 8 Relay Outputs, 4 Digital Inputs and 8 Analog Inputs for 4–20mA and 0–10V Signals

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

2.Standby current (all relays closed) 11MA, 1 relay open 40MA, 2 relays open 69MA, 3 relays open 95MA,4 relays open 123MA

3:4-channel 0-20MA/4-20MA current analog input, 2-channel 0-10V voltage analog input, 2-channel 0-30V voltage analog input, 4-channel photoelectric isolation switch input (compatible with NPN/PNP), 8-channel 10A relay switch output

4: Support standard Modbus RTU command, function code:

write 05/06/15/16 read 01/02/03/04

5: With hardware Reset function, with TVS anti-surge protection

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

7 The default baud rate is
9600BPS. The baud rate can be selected by Conmand 2400 4800 9600 19200 38400 57600 115200BPS

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

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

10 Size: 168* 72 * 12mm(Only PCB Board);174* 82*40mm(with Din Rail Box)

11 Weight: 165g(Only PCB Board);285g(with Din Rail Box)

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

Upgraded Features:

Supports 01 02 03 04 05 06 16 function code
Support more baud rates, can modify the parity bit
Hardware reset to factory settings (RES jumper)
Upgraded relays (more durable)
TVS anti-surge protection

For more information, please contact me


DIN rail Box parameters:

Product model: UM72
Color:
Green

Width: suitable for PCB board width UM72(72mm)
Insulation grade: flame-retardant VO grade
Backplane length: suitable for 168mm PCB boards
Net weight: 120g
Installation: DIN35 and C45 rail