Output Relays - GE 489 Instruction Manual

7.2 HARDWARE FUNCTIONAL TESTING
b) 0-1mA
1. Alter the following setpoints:
S11 ANALOG I/O\ANALOG INPUT1\ANALOG INPUT1:
S11 ANALOG I/O\ANALOG INPUT1\ANALOG INPUT1 MINIMUM:
S11 ANALOG I/O\ANALOG INPUT1\ANALOG INPUT1 MAXIMUM:
Analog output values should be ±0.01 mA on the ammeter. Measured analog input values should be ±10 units. Force
2.
the analog outputs using the following setpoints:
S12 TESTING\TEST ANALOG OUTPUT\FORCE ANALOG OUTPUTS FUNCTION:
S12 TESTING\TEST ANALOG OUTPUT\ANALOG OUTPUT 1 FORCED VALUE:
Verify the ammeter readings as well as the measured analog input readings. View the measured values in:
A2 METERING DATA\ANALOG INPUTS
Table 7–4: ANALOG INPUT/OUTPUT TEST, 0 to 1 mA INPUT
ANALOG EXPECTED
OUTPUT AMMETER
FORCE READING
VALUE
0% 0 mA
25% 0.25 mA
50% 0.50 mA
75% 0.75 mA
100% 1.00 mA
To verify the functionality of the output relays, perform the following steps:
1. Using the setpoint:
S12 TESTING\TEST OUTPUT RELAYS\FORCE OPERATION OF RELAYS:
select and store values as per the table below, verifying operation
Table 7–5: OUTPUT RELAYS
FORCE EXPECTED MEASUREMENT
OPERATION ( FOR SHORT)
SETPOINT
R1
7
NO NC

R1 Trip

R2 Auxiliary

R3 Auxiliary

R4 Auxiliary

R5 Alarm

R6 Service

All Relays

No Relays
R6 Service relay is failsafe or energized normally, operating R6 causes it to de-energize.
NOTE
7-8
0-1 mA
MEASURED AMMETER READING
(MA)
1 2 3
R2 R3 R4 R5
NO NC NO NC NO NC NO NC
  
  
  
  
   
  
   
  
489 Generator Management Relay
0
1000 (repeat for analog inputs 2 to 4)
Enabled
0% (enter %, repeat for outputs 2 to 4)
EXPECTED
ANALOG INPUT
READING
4
0 units
250 units
500 units
750 units
1000 units
R1 TRIP
ACTUAL MEASUREMENT
( FOR SHORT)
R6 R1 R2
NO NC NO NC NO NC
 
 
 
 

 

 
7 TESTING
MEASURED ANALOG INPUT
READING (UNITS)
1 2 3

7.2.9 OUTPUT RELAYS

R3 R4 R5 R6
NO NC NO NC NO NC NO
GE Power Management
4
NC