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

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Homeroid_BL
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Joined: Fri Apr 03, 2009 3:24 pm
Location: Bosnia and Herzegovina

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

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

Post by Info »

http://support.automation.siemens.com/W ... 32465/0/en
p.318
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Homeroid_BL
Posts: 258
Joined: Fri Apr 03, 2009 3:24 pm
Location: Bosnia and Herzegovina

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

Post by Homeroid_BL »

Hi!
I am looking for CABLE pinout, not PORT pinout.
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