Product Description: Relay Module 8 channel with opto-isolation - contacts 10 A / 250 V AC - coil 5 V - Modbus RS485
The module has 8 mechanical relays capable of switching 230 V AC or 30 V DC with a maximum current of 10 A. The relay coil is powered by 5 V. The module communicates through the Modbus RS485 protocol. The module connectors are screw terminals. It is enclosed in ABS enclosure with DINrail mounting option.
Relay module 8-channel Modubus RS485.
Description of components on the board.
Example of connection
The relays can switch 230 V AC or 30 V DC with a maximum current of 10 A. The coil of the relays is supplied with 5 V.
Relay module specification
- Coil supply voltage: 5 V
- Communication interface: RS485
- Transmission speed: 4800, 9600, 19200, 3840, 57600, 128000, 256000
- Default communication format: 9600, N, 8, 1
- Number of relays: 8
- Connectors: 1NO 1NC
- Communication protocol: standard Modbus RTU protocol
- RS485 address: from 1 to 255
- RS485 connector protection: lightning and surge protection 600 W, ESD protection 15 kV
- LED indicator:
- STA: MCU indicator, flashes when MCU is normal
- TXD: TX indicator, flashes when transmitting data
- RXD: RX indicator, flashes when receiving data
- Dimensions: 145 x 90 mm
Example of connection.
