Access Power Solutions Installation and Operation Guide (APS3-330 Series)
90
Copyright © 2007-2018 Eaton Corporation. All Rights Reserved.
IPN 997-00012-07A1 July 2018
Analog Inputs
Equipment required:
•
Digital Voltmeter
•
DC Load bank
•
DC Current Clamp meter
•
Trim pot adjustment tool
•
Thermometer
Test
Test procedure
Adjustment
DC Voltage
•
Measure the dc voltage across the dc bus.
•
Ensure the bus voltage on the SC300 display and in
DCTools/Web is within specifications.
None
Battery Current
(High current test)
Note 1
•
Conduct the load test and turn off the rectifiers.
•
Measure the load current with a dc clamp meter.
•
Ensure the current displayed on the SC300 and in
DCTools/Web is within specification.
•
Ensure the current is the correct polarity.
Adjust the gain setting on
the current sensor by
moving the trim pot.
Adjust the gain setting in
the SC300
Load Current
(High current test)
Note 2
•
Connect a load bank to the dc load connection
•
Apply a high load to the system
•
Measure the load current with a dc clamp meter
•
Ensure the load current displayed on the SC300 and in
DCTools/Web is within specification.
•
Ensure the current is the correct polarity.
Adjust the gain setting on
the current sensor by
moving the trim pot.
Adjust the gain setting in
DCTools/Web.
Total System
Current
(High current test)
•
Repeat the load test.
•
Ensure the system current displayed on the SC300 and in
DCTools/Web is within specification.
None
Load Current
(No current test)
•
Disconnect the load bank from the system.
•
Ensure the load current displayed on the SC300 and in
DCTools/Web is 0 amps.
Adjust the current offset
setting of the SC300.
Battery Current
(No current test)
•
Disconnect the load bank from the system.
•
Ensure the battery current displayed on the SC300 and in
DCTools/Web is 0 amps.
Adjust the current offset
setting of the SC300.
Total System
Current
(No current test)
•
Disconnect the load bank from the system.
•
Ensure the total system current displayed on the SC300 and
in DCTools/Web is 0 amps.
None
Temperature
•
With thermometer, measure the temperature at the power
system temperature sensor.
•
Ensure the temperature input displayed on the SC300 and
in DCTools/Web is within specification.
•
Test each temperature input.
User assigned
Analog Inputs
Note 3
•
Test the accuracy and alarm mapping for all analog inputs.
•
Check the name, severity and alarm thresholds are correct.
See Note 3.