8 Channel RS485 Relay Board - Electronics-Lab.com
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12V 10A RS485 16 Channel Relay PLC Expansion Board for Modbus(R4D3B16-R with DIN rail box) : Amazon.co.uk: Business, Industry & Science
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12V Modbus RTU 2, Channels Relay Module, Input Optocoupler, Isolation RS485 MCU - Robu.in | Indian Online Store | RC Hobby | Robotics
Industrial Modbus RTU 8-ch Relay Module
8 Channel Relay Board With RS485
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4-ch Modbus-RTU Relay Switch Module Signal input and output RS485 TTL Controller | eBay
8 Relay Module Modbus Rs485 | 16 Rs485 Modbus Rtu Relay | 12 Rs485 Relay 4ch Modbus - Dc - Aliexpress
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Chapter 13. RS485 modules
KMtronic Ltd: RS485 Serial controlled Eight Channel Relay Board - 12V
