RS485 communication issues

2015-11-19View Original

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I would like to ask everyone: for RS485 communication cables with a communication distance of around 400 meters, can ordinary cables be used as a substitute? What is the approximate price of a dedicated 485 communication cable?

Reply #22015-11-19

Ordinary cables can be used within 100 meters; beyond that distance they are no longer suitable. A 485 twisted-pair shielded cable is required

Reply #32015-11-19

I’ve used cables of 2*1.5 for distances of nearly 1000 meters, and it worked fine.

Reply #42015-11-19

Siemens purple-colored Profibus cables can be used; they cost around 10 yuan per meter. Theoretically, RS485 can reach a maximum distance of 1200 meters

Reply #52015-11-23

I’ve learned it – what’s the use of knowing about R485 communication issues?

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RS485 communication issues

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