please help! Please answer all these questions. Thank you! 1. When does the FD bit turn on? 2. What does the SQL instruc

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answerhappygod
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please help! Please answer all these questions. Thank you! 1. When does the FD bit turn on? 2. What does the SQL instruc

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please help! Please answer all these questions. Thank you!
1. When does the FD bit turn on?2. What does the SQL instruction do?3. What is the maximum length for the SQO instruction?4. How are sequencers connected to increase the number ofsteps?5. How are sequencers connected to increase the number of outputports
6. Do the PLC I/O modules contain status indicators that may beused for troubleshooting? => Yes, p. 340
7. What mode is the PLC in to perform forces?8. What should be measured to verify forced inputs?9. What should be measured to verify forced outputs?10. Can force conditions be performed at any time during plantoperation?11. What data file contains the fault conditions?12. What mode must the PLC be into clear faults?
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