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| 3/16/2011 10:30 AM | |
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Posts: 8 Rating:
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is there any monitor bit to show the CPU is in run mode in S7-1200 |
| 3/16/2011 11:51 AM | |
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Posts: 8 Rating:
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actually I am converting existing S7-200 program into S7-1200 program. in S7-200 program they used SM0.7, I am looking for something equivalent to this Thanks |
| 3/16/2011 1:50 PM | |
Joined: 7/7/2010 Last visit: 1/17/2025 Posts: 15541 Rating:
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Refer to my recent post /tf/WW/en/Posts/55504#top At the first OB's first network, turn off a BIT, call it "RUN MODE" At the last OB's last network, turn onthat RUN MODE BIT. Process image updates to always set the RUN MODE BIT to ON. If the PLC fails after the RUN MODE BIT is set to OFF (program crash), the process image seems to still be updated, so it would beset to OFF. You can use a counterthatincrements everyscan. If the counter stops, so has the CPU. |
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science guy |
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| 3/17/2011 7:04 AM | |
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Posts: 8 Rating:
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Thanks for the replys |
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