Product Name: DC 24V 4Ch Optically Isolated NPN Input Relay Output DI-DO PLC IO Expanding Module Modbus RTU RS485 Relay Switch Board
Package inlcuded:
1PCS 12VDC 4 Channel DI-DO Modbus RTU RS485 Relay Module(Choose the version you need)
Description:
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 CH 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 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 24VDC, 10A / 12VDC
4 Channels
Size: 93 * 72 * 19mm(Only PCB Board);95 * 82*40mm(with Din Rail Box)
Weight: 80.6g(Only PCB Board);150.7g(with Din Rail Box)
Upgraded Features:
MODBUS RTU Function Code 01 05 15 02 03 06 16
Support more input-output relationships
Support more baud rates, can modify the parity bit
Hardware reset to factory settings (RESET jumper)
Upgraded relays (more durable)
TVS anti-surge protection
For more information, please contact me
DIN rail Box parameters:
Product model: UM72
Color:
Grey
Width: suitable for PCB board width UM72(72mm)
Insulation grade: flame-retardant VO grade
Backplane length: suitable for 45/60/93/136 mm PCB boards
Net weight: 41/51/71/99g
Installation: DIN35 and C45 rail
Application
PLC IO expansion board
Smart Home,Home Automation ,Wiser Home;
PTC Camera
Security Monitoring
Identification system;
IP Camera
LED Lamp Drivers
Automatic curtain control
![](https://i.ebayimg.com/00/s/MTA1MFgxMDUw/z/pi0AAOSwrFFie3IZ/$_10.JPG)