InteliATS
NT
STD, SW version 2.0, ©ComAp – June 2010 49
IA-NT- STD-2.0-Reference Guide.pdf
tes
ic s
per
Gen-set Operation Sta
Electr tate machine
MainsO Mains is present
MainsFlt off – immediate state Mains cut
MainsFlt – takes EmergStart del Mains cut off
IslOper Island operation
MainsRet Mains recover
Brks Off GCB, MCB opened
MinStabTO Minimal Stabilization Timeout
MaxStabTO Maximal Stabilization Timeout
Trans Del Forward return break delay. Delay between GCB opening and MCB closing
List of possible events
Events specification
Protection
type
Information on binary
output available (See
list of Binary outputs)
Description
Wrn Batt Volt WRN YE of limits given by
ints.
S Battery voltage is out
Battery <Volts setpo
Binary input Configurable YE arning/Shutdown S Configurable W
alarms on the inputs of IA-NT.
Trp BatteryFlat TRP YE es off during
to bad battery
try to start again
ection.
S If the controller switch
starting sequence due
condition it doesn’t
and activates this prot
Trp Start Fail TRP YE . S Gen-set start failed
ParamFail NONE NO of parameters.
after downloading
anging of the
ller stays in
ll parameters and
e new parameter.
Wrong checksum
Happends typically
new firmware or ch
parameter. The contro
INIT mode. Check a
write at least on
Trp GeRd Fail TRP NO oLoad lost Signal BI GenReadyT
Trp Gen >Freq TRP YE cy is out of
limits given by Gen >Freq Trp and
Gen <Freq Trp setpoints.
S The generator frequen
EmergencyStop TRP NO If the input Emergency Stop is opened
shutdown is immediately activated.
Wrn Stop Fail WRN YES Gen-set stop failed. The alarm
appears if the STOP command fails
and the START command was issued
before.
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