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Product details
The Waveshare 24921 Modbus RTU 16-Ch Relay Module is an industrial-grade relay module controlled by RS485 bus. It is designed for use in industrial control equipment and applications with high communication requirements.
- Product type: Relay Module
- Compatibility: Modbus RTU 16-Ch
- Material: ABS
- Key feature: Multiple isolation protection circuits
- Intended use: Industrial use
- Working voltage: 5V
- Communication interface: RS485
- Baud rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000
- Default communication format: 9600, N, 8, 1
- Relay channel: 16
- Contact information: 1NO 1NC
- Communication protocol: standard Modbus RTU protocol
- RS485 address: 1-255
- LED indicator lights: STA, TXD, RXD
- On-board integrated power isolation
- Onboard integrated ADI magnetic isolation
- Onboard resettable fuse and TVS (transient voltage suppressor)
- On-board optocoupler isolation
- On-board dedicated relay driver chip
- Anti-reverse connection circuit
- Contact rating: ≤10A 250VAC/30VDC
- Rail-type ABS shell
- 3 LEDs for indicating MCU status and signal sending and receiving status
- Packing list: Modbus RTU relay 16CH x1, US Plug 5V 2A power supply (with EU head adapter) x1