
Reference: A938
Index: B
Page 90
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Instruction Manual – NPS914 Alarm and Indication IED
Deadband settings.
Table. 7.1.8. - 16. Analog change deadband settings.
Name
Range
Step
Default
Description
General deadband
0.1…10.0 %
0.1 %
2 %
Determines the general data reporting deadband settings.
Active energy deadband
0.1…1000.0
kWh
0.1
kWh
2 kWh
Determines the data reporting deadband settings for this
measurement.
Reactive
energy deadband
0.1…1000.0
kVar
0.1
kVar
2 kVar
Determines the data reporting deadband settings for this
measurement.
Active power deadband
0.1…1000.0
kW
0.1
kW
2 kW
Determines the data reporting deadband settings for this
measurement.
Reactive
power deadband
0.1…1000.0
kVar
0.1
kVar
2 kVar
Determines the data reporting deadband settings for this
measurement.
Apparent
power deadband
0.1…1000.0
kVA
0.1
kVA
2 kVA
Determines the data reporting deadband settings for this
measurement.
Power factor deadband
0.01…0.99
0.01
0.05
Determines the data reporting deadband settings for this
measurement.
Frequency deadband
0.01…1.00 Hz
0.01
Hz
0.1 Hz
Determines the data reporting deadband settings for this
measurement.
Current deadband
0.01…50.00 A
0.01 A
5 A
Determines the data reporting deadband settings for this
measurement.
Residual
current deadband
0.01…50.00 A
0.01 A
0.2 A
Determines the data reporting deadband settings for this
measurement.
Voltage deadband
0.01…5000.00
V
0.01 V
200 V
Determines the data reporting deadband settings for this
measurement.
Residual
voltage deadband
0.01…5000.00
V
0.01 V
200 V
Determines the data reporting deadband settings for this
measurement.
Angle
measurement deadband
0.1…5.0 deg
0.1
deg
1 deg
Determines the data reporting deadband settings for this
measurement.
Integration time
0…10 000 ms 1 ms
-
Displays the integration time of the protocol.
7.1.9. SPA
The device can act as a SPA slave. SPA can be selected as the communication protocol for the COM B port
(RS-485 port in the CPU module). When the device includes a serial RS-232 card connector, the SPA
protocol can also be selected as the communication protocol for the COM E and COM F ports. Please
refer to the chapter "Construction and installation" in the device manual to see the connections for these
modules.
The data transfer rate of SPA is 9600 bps, but it can also be set to 19 200 bps or 38 400 bps. As a slave the
device sends data on demand or by sequenced polling. The available data can be measurements, circuit
breaker states, function starts, function trips, etc. The full SPA signal map can be found in SMART9 (
Tools
→
SPA map
).
The SPA event addresses can be found at
Tools
→
Events and logs
→
Event list
.
NOTE!
To access SPA map and event list, an .aqs configuration file should be downloaded from the relay.