InteliATS
NT
PWR, SW version 2.5, ©ComAp
– May 2015
86
IA-NT- PWR-2.5-Reference Guide.pdf
Events
specification
Protection
type
Information on binary
output available (See
list of
Binary outputs
)
Description
Mains Lx <V
(where x=1,2,3)
Mains <V
and
Mains >V
setpoints.
Mains V Unbal
MF
YES
The mains voltage is unbalanced more than
the value of Mains V
Unbal
setpoint.
Mains >, <Freq
MF
YES
The mains frequency is out of limits given
by
Mains >Freq
and
Mains <Freq
setpoints.
Mains CCW Rot
WRN
NO
Mains voltage phases are not wired
correctly. MCB closing is prohibited by
controller.
EmergencyStop
TRP
NO
If the input
Emergency Stop
is opened Trip
is immediately activated.
Total Stop
TRP
NO
If the input
Total Stop
is opened Trip is
immediately activated.
GCB Fail
TRP
NO
Failure of generator circuit breaker.
MCB Fail
MF
NO
Failure of mains circuit breaker.
Wrn GeStateNA
WRN
NO
Neither GenerProtect enabled nor BI
GenReadyToLoad defined. At least one
must be enabled / configured.
Trp GenRd Fail
TRP
NO
Signal BI GenReadyToLoad lost
Wrn Sync TOut
WRN
NO
Maximum time interval given by
Sync
Timeout
when the system waits for both
sources to get synchronized is exceeeded.
Warningis activated and either changeover
is interrupted or continues as open delayed
transition.
Wrn Shunt Trip
WRN
YES
GCB and MCB are closed together >300ms.
ParamFail
NONE
NO
Wrong checksum of parameters. Happens
typically after downloading new firmware or
changing of the parameter. The controller
stays in INIT mode. Check all parameters
and write at least one new parameter.
xCB Disabled
WRN
NO
LBI MCB or GCB is activated.
N
OTE
:
Events Trp Gen Lx <V, Trp Gen <Freq, Trp Gen V Unbal, Trp Amps Unbal are confirmed
automatically. Fault Reset it’s not necessary to activate after the cause of the event disappeared.
History file
InteliATS
NT
stores a record of each important event into the history file. The history file seats 117
records. When the history file is full, the oldest records are removed.
N
OTE
:
To force history download in LiteEdit (direct, modem or Internet) open History window and select
History | Read history command.
Record structure
Abbreviation
Historical value
Num
Number of historical event
Reason
Event specification
Date
Date of historical event in format DD/MM/YY
Time
Time of historical event in format HH:MM:SS
Mode
Controller’s mode
Pwr
Generator active power
PF
Generator PF