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Sunday, October 20, 2019
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2 Wire Modbus RTU Network Incorrect Wiring Scenario
Shield landed at data terminal and data wire landed at shield/ground terminal.

In a system network consisting of multiple Modbus slaves wired to Modbus to Ethernet converters, if one converter was incorrectly wired with the shield landed at a data terminal and the data wire landed at the shield/ground terminal, what results would you expect?

I'm sure the number of incorrect wiring combinations for 2 wire 485 is finite, but even one is more than I want to tackle on my time off.

Why don't you tell us what you found and the implications? We'd all be interested to find out even if we're not willing to do labor through the details.