5/17/2016 12:32 PM | |
Posts: 1529 Rating: (202) |
It comes from that most secret and holy of references, the S71200 System Manual. Use the search box to find it. |
5/17/2016 2:29 PM | |
Posts: 1529 Rating: (202) |
Please google 2 wire and 4 wire RS485. You will find that you will be grounding the - signals. |
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