Intellisys Modbus COM Port to DB9 CM 1241

Herbrata

Member
H
Join Date
Mar 2016
Location
Indonesia
Posts
6
Dear All



Sorry for my English

I have Siemens CM1241 (picture attach) and need to communicate with Intellisys XE 90 via Modbus RTU, period.

The problem is, form XE 90 the connector is Phoenix Contact 2-Position Screw Plug Connectors MC 1,5/ 2-ST-3,81 1803578, or in other word, only 2 contacts form P9 COM1 = L1 , L2 (picture attach).

How we connect it to DB9 Female in CM1241? What signal go to what Pin? How about the Ground? Do I need Resistor?



Thanks for all your supports



Best Regards
 

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