Section 5 Maintenance
PROFIBUS DP-V1 – CI854
3BSE 027 941 R301
135
PROFIBUS DP-V1 – CI854
Table 27. PROFIBUS DP-V1 CI854 – Fault-Finding
Indication
Possible Cause and Corrective Action
Neither R(un) nor F(ault)
LED’s are ON
The CI854 board is in the process of being
restarted or configured. Allow time for this to
finalize.
If the condition persists, and no other unit LED on
the CEX-bus is lit:
•
Check the CEX-bus fuse inside the PM8xx
processor unit.
•
Initiate a reset signal (INIT) from the PM8xx
processor unit.
•
Replace the CI854 unit.
F(ault) LED is ON
The CI854 board is in the process of being
restarted, or a fatal error occurred. Allow time for
this to finalize. If the status remains replace the
CI854 unit.
RxA LED is OFF
No communication on Line A.
•
Check that slaves are connected to this line
and configured.
•
Check all cables and connectors for damage
and loose or poor connections.
RxB LED is OFF
No communication on Line B.
•
Check that slaves are connected to this line
and configured.
•
Check all cables and connectors for damage
and loose or poor connections.
Содержание AC 800M
Страница 1: ...ControlIT AC 800M Version 2 1 Controller Hardware Hardware and Operation...
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Страница 3: ...Controller Hardware Hardware and Operation ControlIT AC 800M Version 2 1...
Страница 10: ...7DEOH RI RQWHQWV 10 3BSE 027 941 R301...
Страница 20: ...Related Documentation About This Book 20 3BSE 027 941 R301...
Страница 26: ...Operating Environment Safety Summary 26 3BSE 027 941 R301...
Страница 42: ...Product Release History Section 1 Introduction 42 3BSE 027 941 R301...
Страница 108: ...Powering from an External 24 V DC Source Section 3 Configuration 108 3BSE 027 941 R301...
Страница 118: ...Verification of Redundant CPU Section 4 Operation 118 3BSE 027 941 R301...
Страница 212: ...Low Voltage Directive LVD Appendix D Directive Considerations 212 3BSE 027 941 R301...
Страница 214: ...Hazardous Location Approval Appendix E Standards 214 3BSE 027 941 R301...
Страница 228: ...QGH 228 3BSE 027 941 R301...
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