TOC - 3
Blower Package PLC Operation Manual •Vilter/Emerson • 35391BLP
Section 11 • Alarms, Trips, Status Information
and Troubleshooting
Alarm and Trips ......................................................................................................................................11-1
Alarm Listing ..........................................................................................................................................11-2
Trip Listing .............................................................................................................................................11-9
Status Messages and Blower State Indicator ...........................................................................................11-18
Troubleshooting ....................................................................................................................................11-22
If the Blower Will Not Start .........................................................................................................11-22
If Control Power Will Not Turn On ..............................................................................................11-22
Section 12 • Central Controller Communications
Communication with a Central Controller/DCS ......................................................................................12-1
VPN Access ................................................................................................................................12-1
Setting Up Communications ......................................................................................................12-1
Watchdog Timer ........................................................................................................................12-1
Data that can be Read from the Blower PLC ............................................................................................12-1
Live Instrument Data .................................................................................................................12-1
Alarm and Trip Data ...............................................................................................................................12-8
Status Data ............................................................................................................................................12-17
States of Discrete I/O .............................................................................................................................12-21
Blower State Indicator ............................................................................................................................12-25
Data that can be Written to the Blower PLC ............................................................................................12-26
Discrete Blower Commands .......................................................................................................12-26
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