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5pcs 8Channel DC 5V RS485 Modbus RTU Control Module UART Relay Switch Board PLC

5pcs 8Channel DC 5V RS485 Modbus RTU Control Module UART Relay Switch Board PLC

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Descriptions: 
 
- Operating Voltage : DC 5V(5V Version)
- Operating Current : 10-15MA
- ''open'' ''close''  ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' 6 Commands
- Two instruction-control mode : AT command and MODBUS command
- Under the AT command ,the maximum delay is 9999 seconds
- Under the MODBUS command ,the maximum delay is 255 seconds
- AT commands can be made serial HyperTerminal (serial assistant) Enter;
- MODBUS commands can be made serial HyperTerminal (serial assistant)  OR ''Modbus Poll'' Enter;
- Under the MODBUS command mode, it can support up to 247 devices in parallel
- With RS485 and RS232 (TTL) dual bus interface
- Output control pins 8, 5V TTL level, low level (default) / high level output
- Size: 45 x 30 x 15mm
 
Applications:
  
Automated industry PLC
Relay Module
Smart Home,Home Automation ;
Identification system;
Motor FW & BW;
CCTV Camera PTZ Control; 
Security system;
LED dot matrix screen;
RS485 remote control;
 
Package Included:
 
5 x 8Channel DC 5V RS485 Modbus RTU Control Module UART Relay Switch