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[?]: S7-1200 <-> S7-1200 Modbus via RS232

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[?]: S7-1200 <-> S7-1200 Modbus via RS232

Posted: Wed Mar 16, 2011 1:34 pm
by Homeroid_BL
Hi all!

If I want to connect two S7-1200 CPUs with RS232 ports on both CPUs, and implement a Modbus RTU communication,
what is the cable pinout of a connecting cable?

Thanks.

Re: [?]: S7-1200 <-> S7-1200 Modbus via RS232

Posted: Wed Mar 16, 2011 8:09 pm
by Info
http://support.automation.siemens.com/W ... 32465/0/en
p.318

Re: [?]: S7-1200 <-> S7-1200 Modbus via RS232

Posted: Thu Mar 17, 2011 8:07 am
by Homeroid_BL
Hi!
I am looking for CABLE pinout, not PORT pinout.
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