Operation mode

The fan  mode and its action on the macro outputs "Stage1Cmd", "Stage2Cmd" and "NextFanEnable" is shown in the next table.

The control action with the highest priority (lowest value) will be written to the output "OperationMode".


OperationMode

Stage1Cmd

Stage2Cmd

NextFanEnable





2 = fire from PlantMode

0

0

0









5 = local isolator switch

0

0

0

















10 = off due to FanBeltAlarm

0

0

0

11 = off due to OffAlarm

0

0

0

12 = off due to Stage2

       SYS-01 = 1

0

1

1

13 = fan on delay

0

0

0





15 = control program (auto)

0/1

0/1

0/1