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Product Name:  DC 12V 8 Ch RS485 Relay Board Modbus RTU UART Remote Control Switch DIN35 Rail Box for PLC Automation control
 
 
 
Package inlcuded:
  1PCS DC 12V 8Ch Din35 Rail RS485 Modbus RTU Relay Module
 
 
Description: 
 
1: DC 12V power supply(Range 10-13V) 
 
2: Standby current (all relays closed) 12MA, 1 relay open 40MA, 2 relays open 68MA, 3 relays open 94MA,4 relays open 122MA,5 relays open 148MA,6 relays open 174MA, 7 relays open 198MA,8 relays open 224MA
 
3: ''open'' ''close''  ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' 6 Commands
 
4: Two instruction-control mode : MODBUS RTU command and AT command
 
5: Under the ''Delay'' command ,the maximum delay is 255 seconds;
  Under the AT command ,the maximum delay is 9999 seconds
 
6 MODBUS commands can be made serial HyperTerminal (serial assistant)  OR ''Modbus Poll'' Enter; AT commands can be made serial HyperTerminal (serial assistant) 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 selected through jumpers: 2400 4800 9600 19200BPS
 
9  Size: 100 * 72 * 20mm(Only PCB Board);120 * 88* 42mm(with Din Rail Box)
10 Weight: 120g(Only PCB Board);198g(with Din Rail Box)
 
11 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC
For more information, please contact me
DIN rail Box parameters:
Product model: UM72
Color: green
Width: suitable for PCB board width UM72(72mm PCB)
Insulation grade: flame-retardant VO grade
Backplane length: suitable for 100 mm PCB boards
Net weight: 72g
Installation: DIN35 and C45 rail
  
 
 
 
Application
   
Automated industry PLC
Smart Home,Home Automation ,Wiser Home;  
CCTV PTZ Camera
Security Monitoring
Identification system;
Motor FW & BW
Automatic curtain control
Automatic door control
 
Typical applications:
1 When controlling a module, you can use the MODUBS RTU instruction or the AT instruction. In AT command mode, the dial switch (slave address) is invalid and can only control one module at a time.
 
 
MODBUS RTU command mode (HEX), you can control a variety of ways: Serial Hyper Terminal Control (need to manually add the CRC), Modbus Poll software control (software automatically add the CRC), PLC or MCU process control
 
 
 
  
Wiring Diagram:
  
1 DC 12V control circuit,Wiring diagram below. ''LOAD'' may be camera,LED lights, fans, motors and other DC 12V equipment
 
 
 
  
2 DC 1-110V OR AC 85-265V control circuit,Wiring diagram below(Note:If not DC 12V load, need another DC 12V power supply). ''LOAD'' may be LED lights, fans, motors Lights, fluorescent lights, solar water heaters and other DC AC equipmen
 
 
 
Test Software(We offer a demo video):
Serial HyperTerminal:
  
Modbus Poll
 
 
 
 
 
 
 
 
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