Reference: A938
Index: B
Page 57
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Instruction Manual – NPS914 Alarm and Indication IED
Signal
Range
Description
Syncrocheck permission
("Sync.Check status In")
Digital input or
other logical
signal
selected by
the user
A link to a physical digital input or a synchrocheck function. "1" means that the
synchrocheck conditions are met and the object can be closed. If IEC 61850
is enabled, GOOSE signals can be used for status indication.
(SWx)
Objectx Open command
("Objectx
Open
Command")
OUT1…OUTx
The physical "Open" command pulse to the device's output relay.
Objectx
Close
command
("Objectx
Close Command")
OUT1…OUTx
The physical "Close" command pulse to the device's output relay.
Table. 6. - 4. Operation settings.
Name
Range
Step
Default
Description
Breake
r
travers
e time
0.02…500.00
s
0.02
s
0.2 s
Determines the maximum time between open and close statuses when the
breaker switches. If this set time is exceeded and both open and closed
status inputs are active, the status "Bad" is activated in the "Objectx Breaker
status" setting. If neither of the status inputs are active after this delay, the
status "Intermediate" is activated.
Maximum
Close
command
pulse
length
0.02…500.00
s
0.02
s
0.2 s
Determines the maximum length for a Close pulse from the output relay to
the controlled object. If the object operates faster than this set time, the
control pulse is reset and a status change is detected.
Maximum
Open
command
pulse
length
0.02…500.00
s
0.02
s
0.2 s
Determines the maximum length for a Open pulse from the output relay to
the controlled object. If the object operates faster than this set time, the
control pulse is reset and a status change is detected.
Control
terminatio
n timeout
0.02…500.00
s
0.02
s
10 s
Determines the control pulse termination timeout. If the object has not
changed it status in this given time the function will issue error event and
the control is ended. This parameter is common for both open and close
commands.
Final trip
pulse
length
0.00…500.00
s
0.02
s
0.2 s
Determines the length of the final trip pulse length. When the object has
executed the final trip, this signal activates. If set to 0 s, the signal is
continuous. If auto-recloser function controls the object, "final trip" signal is
activated only when there are no automatic reclosings expected after
opening the breaker.
