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Modbus communication

2/25/2013 8:11 AM	Rate (0)
LotsQuestion Posts: 24 Rating: (0)	Hi experts, I'm new to S7-1200 and would like to ask..Let say I have 2 S7-1200 with a modbus communication. I follow the manual according and also refer to the examples given. Can I ask for help on this steps: how should i turn on an output of second s7-1200 when turn on an input at first s7 1200? Can show me with an example program? Thanks and much appreciated.
LotsQuestion Posts: 24 Rating: (0)
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2/25/2013 10:57 AM	Rate (0)
Kaulquappe Posts: 3093 Rating: (324)	Hello Norikafu, your question sounds as you have some general lack of understanding Modbus communication. I recommend to have a look at smiffy'sModbus General Description. All sent and received data are stored in a DB when using Modbus communication. The user program must interpret them and copy them to inputs and outputs of the S7 if necessary. Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (324)
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