DC 5V 2 Channel RS485 Relay Board UART Serial Port Switch Module Modbus at Command Control for PLC Smart Home automated Industry (with Shell, 4)

Product Name: DC 5V 2 Channel RS485 Relay Board UART Serial port Switch Module Modbus AT command Control for PLC Smart Home automated industryDescription: 1. DC 5V power supply 2. Standby current (all relays closed) 10-11MA, 1 relay open 80MA, 2 relays open 153MA3. "open" "close" "Momentary" "Self-locking" "Interlock" "Delay" 6 Commands4. Two instruction-control mode : AT command and MODBUS command5. Under the AT command ,the maximum delay is 9999 seconds Under the MODBUS command ,the maximum delay is 255 seconds6. AT commands can be made serial HyperTerminal (serial assistant) Enter; MODBUS commands can be made serial HyperTerminal (serial assistant) OR "Modbus Poll" Enter;7. Under the MODBUS command mode, it can support up to 32 devices in parallel8. Size: 79 * 47.5 * 19.5mm (excluding shell);9. Weight: 40 g (excluding shell); 10. Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDCthe new version adds the Read Status command (command 03)ApplicationAutomated industry PLCSmart Home,Home Automation ,Wiser Home;Identification system;Motor FW & BWTypical applications:1 AT command mode (A5 = OFF), in this mode can be through the serial HyperTerminal (serial assistant) enter a simple AT command control relay. AT command mode time up to 9999 seconds Instruction manual Please ask us after the purchase

• DC 12V 2Ch RS485 Modbus AT command Relay Board
• "open" "close" "Momentary" "Self-locking" "Interlock" "Delay" 6 Commands
• Two instruction-control mode : AT command and MODBUS command
• Under the MODBUS command mode, it can support up to 32 devices in parallel
• Size: 79 * 47.5 * 19.5mm (excluding shell) / Weight: 40 g (excluding shell);