How many channels can a communication module support?
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The communication modules of the Siemens S7-1500 series that support RS485 communication – how many channels can one such module support?
This post was last edited by zhanght321 on 2017-9-13 22:26. Personally, I think it’s 1-255
The last edit to this post was made by zxb1990 on 2017-9-14 at 14:44. Three people said it’s 32 points, connected end to end, linked together, and connected to the PLC communication card