7-24V Modbus RTU 2, Channels Relay Module, RS485/TTL Anti-Reverse, Connection

LC 2 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip adopt standard MODBUS RTU format RS485 communication protocol, It can realize 1-way input signal detection and 2-way relay output, can be used for digital detection or power control occasions.

• On-board mature and stable 8bit MCU and MAX485 level conversion chip
• Communication protocol: support standard Modbus RTU protocol
• Communication interface: Support RS485 / TTL UART interface
• Communication baud rate: 4800/9600/19200, default 9600bps, support power saving
• Photocoupler input signal range: DC3.3-30V (This input cannot be used for relay control)
• Device address: range 1-255, default 255, support power-down save
• Onboard one 5V, 10A / 250V AC 10A / 30V DC relay.
• Continuously attract 100,000 times, with diode leakage protection, short response time
• Onboard relay switch indicator
• Supply voltage: DC7-24V, with input anti-reverse protection