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About modbus rtu i o module
871 modbus rtu i o module products are offered for sale by suppliers on Alibaba.com, of which plc, pac, & dedicated controllers accounts for 47%, other communication & networking product accounts for 15%, and input and output(io) accounts for 8%.
A wide variety of modbus rtu i o module options are available to you, such as wireless, iot.You can also choose from manufacturer, in stock modbus rtu i o module,