InteliMains
NT
, SW version 3.0
InteliMains-NT-BTB-3.0-Reference Guide.pdf, ©ComAp – June 2013
8.1.6.2.4 Protection blocking
It is possible to block user defined protections (on binary inputs, analog inputs or any value available
in the controller).
The alarms are beeing evaluated all the time the controller is switched on.
The alarms are beeing evaluated while the input Force block 1 is not active. The evaluation
begins ForceBlockDel1 seconds after the input has been deactivated.
The alarms are beeing evaluated while the input Force block 2 is not active. The evaluation
begins ForceBlockDel2 seconds after the input has been deactivated.
The alarms are beeing evaluated while the input Force block 3 is not active. The evaluation
begins ForceBlockDel3 seconds after the input has been deactivated.
8.1.7 Reset Actual Alarms selection
It is possible to determine the behavior of alarms that are in alarm list when Fault Reset button is
pressed. Select behavior with ComProtSetting:ResetActAlarms.
Pressing of the fault reset button (at any terminal or external button) resets
only inactive alarms. Active alarms remain in the alarmlist unchanged and must be
reset again when they become inactive.
Pressing of the fault reset button (at any terminal or external button)
resets all alarms that are currently present in the alarm list. Inactive alarms
disappear from the alarm list immediately, active alarms are changed to "confirmed"
state and disappear when the alarm condition disappear or the alarm starts to be
blocked.
NOTE:
ENABLED position corresponds to the method how the IG-classic and IS-classic controllers handled
the alarms.
8.1.8 Bus Measurement Error detection
InteliMains is able to detect Bus Measurement Error. It is evaluated based on gen-sets and mains
incommers.
GEN-SETS: If any gen-set from the logical group that is connected to the InteliMains has closed
breaker and InteliMains is not measuring correct values on Bus it automatically detects bus
measurement error.
MAINS: If any Mains incomer is connected to the bus (provided that all corresponding Bus Tie
Breakers are closed as well) and InteliMains is not measuring correct values on Bus it automatically
detects bus measurement error.
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