GE Multilin 489 Instruction Manual page 260

Force Value
0%
25%
50%
75%
100%
Output Force
0%
25%
50%
75%
100%
7–10
Courtesy of NationalSwitchgear.com
Force the analog outputs using the following setpoints from the
TESTING
FORCE ANALOG OUTPUTS FUNCTION:
ANALOG OUTPUT 1 FORCED VALUE:
4)
Verify the ammeter readings and the measured analog input readings.
For the purposes of testing, the analog input is fed in from the analog
output (see Secondary Current Injection Testing on page 7–3).
View the measured values in the
menu.
Analog Expected Measured Ammeter
Output Ammeter
Reading
1
4 mA
8 mA
12 mA
16 mA
20 mA
0 to 1 mA Analog Inputs:
In the
ANALOG INPUT 1:
ANALOG INPUT 1 MINIMUM:
ANALOG INPUT 1 MAXIMUM:
Analog output values should be ±0.01 mA on the ammeter. Measured analog input
values should be ±10 units.
Force the analog outputs using the following setpoints in the
TESTING
FORCE ANALOG OUTPUTS FUNCTION:
ANALOG OUTPUT 1 FORCED VALUE:
Outputs 2 to 4)
Verify the ammeter readings as well as the measured analog input
readings.
View the measured values in the
INPUTS
Analog Expected Measured Ammeter
Ammeter
Value Reading
1
0 mA
0.25 mA
0.50 mA
0.75 mA
1.00 mA
TEST ANALOG OUTPUT
A2 METERING DATA
Expected
Reading (ma) Analog Input
Reading
2 3 4
0 units
250 units
500 units
750 units
1000 units
S11 ANALOG I/O ANALOG INPUT 1
"0-1 mA"
"0"
"1000" (repeat for Analog Inputs 2 to 4)
TEST ANALOG OUTPUT
A2 METERING DATA
menu.
Expected
Reading (mA) Analog Input
Reading
2 3 4
0 units
250 units
500 units
750 units
1000 units
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 7: TESTING
S12
menu:
"Enabled"
"0%" (enter %, repeat for Outputs 2 to
ANALOG INPUTS
Measured Analog Input
Reading (units)
1 2 3
menu, set:
S12
menu:
"Enabled"
"0%" (enter %, repeat for
ANALOG
Measured Analog Input
Reading (units)
1 2 3
4
4