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  • Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
  • Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
  • Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
  • Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
  • Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
  • Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
  • Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
  • Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
  • Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection
Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection

Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection

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                        Product parameters:
                         
                        1. On-board mature and stable 8bit MCU and MAX485 level conversion chip
                        2. Communication protocol: support standard Modbus RTU protocol
                        3. Communication interface: Support RS485 / TTL UART interface
                        4. Communication baud rate: 4800/9600/19200, default 9600bps, support power saving
                        5. Photocoupler input signal range: DC3.3-30V (This input cannot be used for relay control)
                        6. Output signal: relay switch signal, support manual, flash-off, flash-off mode, the delay base of flash-off / flash-off is 0.1S, the maximum settable flash-off / flash-off time is 0xFFFF * 0.1S = 65535 * 0.1 S = 6553.5S
                        7. Device address: range 1-255, default 255, support power-down save
                        8. Onboard one 5V, 10A / 250V AC 10A / 30V DC relay, which can continuously attract 100,000 times, with diode leakage protection, short response time
                        9. Onboard relay switch indicator
                        10. Supply voltage: DC7-24V, with input anti-reverse protection

                        Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection


                        1. VCC, GND: DC7-24V power input
                        2. IN, GND: DC3.3-30V optocoupler signal input
                        3. A +, B-: RS485 communication interface, A +, B- are connected to A +, B-
                        4. Relay switch signal output
                        NC: normally closed end, the relay is short-circuited to COM before pull-in, and left floating after pull-in;
                        COM: public end;
                        NO: Normally open, the relay is suspended before the pull-in, and shorted to COM after the pull-in.
                        5. Relay indicator: lit when the relay is on
                        6. GND, RXD, TXD: TTL level UART communication interface, GND, RXD, TXD are respectively connected to GND, TXD, RXD of the external control terminal
                         
                        Package includes:

                        1 x Modbus RTU 7-24V Relay Module

                        Modbus RTU 7-24V Relay Module RS485/TTL 1-way Input and Output with Anti-reverse Protection



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