Siemens SIMATIC ET 200M

Functions
8.2 Time stamping the input signals with IM 153-2
ET 200M
Operating Instructions, 12/2008, EWA-4NEB780600602-08
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Example structure for time stamping signal changes with IM 153-2
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① Operator station (OS) for unit visualization
② Industrial Ethernet
③ Time sender (SICLOCK)
④ ET 200M Distributed I/O
⑤ SM 321 digital input module (6ES7321-7BH…)
⑥ CP 443-5 (DP master)
⑦ PROFIBUS DP
⑧ CP 443-1
⑨ S7-400 automation system
⑩ Optional: RS 485 repeater
Figure 8-1 Example structure for time stamping signal changes with IM 153-2