Thread: Simens s7-300
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Old 09-19-2009, 04:02 PM
sicamons sicamons is offline
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I have 2 optical cable connect from 2 CPU 314 to an OLM, and output of OLM are connecting 2 PCs by RS 485 port ( 9 female pin) for control . But I have one more spare port , how can I connect 1 more PC to an OLM ?
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