{"product_id":"waveshare-modbus-rtu-8-channel-rs485-relay-module-with-digital-input-multi-isolation-protection-circuits-7-36v-power-supply","title":"Waveshare Modbus RTU 8-Channel RS485 Relay Module With Digital Input Multi Isolation Protection Circuits, 7~36V Power Supply","description":"\u003cp\u003eThe Waveshare Modbus RTU 8-Channel RS485 Relay Module is an industrial-grade relay module designed for RS485 interface control. It is suitable for industrial control applications requiring high communication reliability and stability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Type: 8-channel relay module\u003c\/li\u003e\n\u003cli\u003eCompatibility: RS485 relay systems\u003c\/li\u003e\n\u003cli\u003eMaterial: ABS housing\u003c\/li\u003e\n\u003cli\u003ePower Supply Voltage: 7 - 36V\u003c\/li\u003e\n\u003cli\u003eCommunication Interface: RS485\u003c\/li\u003e\n\u003cli\u003eCommunication Baud Rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000\u003c\/li\u003e\n\u003cli\u003eDefault Communication Format: 9600, N, 8, 15\u003c\/li\u003e\n\u003cli\u003eRelay Channels: 8 channels\u003c\/li\u003e\n\u003cli\u003eContact Type: One normally open, one normally closed\u003c\/li\u003e\n\u003cli\u003eContact Load: ≤ 10A 250V AC or ≤ 10A 30V DC\u003c\/li\u003e\n\u003cli\u003eDigital Input: 8DI, 5 - 36V, passive input\/active input (NPN type or PNP type), built-in bidirectional optocoupler\u003c\/li\u003e\n\u003cli\u003eModbus Protocol: Standard Modbus RTU protocol\u003c\/li\u003e\n\u003cli\u003eRS485 Address Setting: 1 - 255\u003c\/li\u003e\n\u003cli\u003eIndicator Lights: STA (MCU indicator), TXD (transmission), RXD (reception)\u003c\/li\u003e\n\u003cli\u003eIsolation Features: Built-in power isolation, magnetic coupling isolation, TVS protection circuits, optocoupler isolation\u003c\/li\u003e\n\u003cli\u003eRelay Driver: Dedicated relay driver chip with built-in freewheeling diode protection\u003c\/li\u003e\n\u003cli\u003eSwitch Input: Bidirectional optocoupler isolation, supports passive and active switch input, internal anti-bounce algorithm\u003c\/li\u003e\n\u003cli\u003eAnti-Reverse Connection: Circuit to prevent damage from reversed connections\u003c\/li\u003e\n\u003cli\u003eInstallation: Rail-mounted ABS protective housing\u003c\/li\u003e\n\u003cli\u003eLED Indicator: External LED for MCU status and signal transmission\/reception\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":45181916250298,"sku":"TBD06061032","price":1069.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/2761\/7210\/files\/TBD06061032.jpg?v=1758716662","url":"https:\/\/ng.pmcjewellery.com\/products\/waveshare-modbus-rtu-8-channel-rs485-relay-module-with-digital-input-multi-isolation-protection-circuits-7-36v-power-supply","provider":"PMC TechLife","version":"1.0","type":"link"}