Waveshare 24921 Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits

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