GE Multilin 489 Instruction Manual page 253

CHAPTER 7: TESTING
SIMULATION
RESISTORS
OR RESISTANCE
DECADE BOX
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
Courtesy of NationalSwitchgear.com
E10 F10 G9 H9 G10 H10 G3 H3 G4
PHASE a PHASE b PHASE c
GROUND INPUTS
NEUTRAL END CT's
B1 RTD SHIELD
A1 HOT
500 Ohms RTD #1
A2 COMPENSATION
A3 RTD RETURN
A4
COMPENSATION
500 Ohms
RTD #2
A5 HOT
A6 HOT
500 Ohms RTD #3
A7 COMPENSATION
A8 RTD RETURN
A9 COMPENSATION
500 Ohms
RTD #4
A10 HOT
A11 HOT
500 Ohms RTD #5
A12 COMPENSATION
A13 RTD RETURN
A14 COMPENSATION
500 Ohms
RTD RTD #6
A15 HOT
D1 HOT
500 Ohms RTD #7
D2 COMPENSATION
D3 RTD RETURN
D4 COMPENSATION
500 Ohms RTD #8
D5 HOT
D6 HOT
500 Ohms RTD #9
D7 COMPENSATION
RTD RETURN
D8
COMPENSATION
D9
500 Ohms RTD #10
D10 HOT
D11 HOT
500 Ohms
RTD #11
D12 COMPENSATION
D13 RTD RETURN
COMPENSATION
D14
500 Ohms RTD #12
D15 HOT
D16 ASSIGNABLE INPUT 1
D17 ASSIGNABLE INPUT 2
D18 ASSIGNABLE INPUT 3
D19 ASSIGNABLE INPUT 4
V
D20 ASSIGNABLE INPUT 5
D21 ASSIGNABLE INPUT 6
D22 ASSIGNABLE INPUT 7
D23 COMMON
D24 SWITCH +24Vdc
C1
ACCESS
C2
C3
BREAKER
STATUS
C4
V C
3 PHASE VARIABLE AC TEST SET
V A
V B
N A B C A B
H4 G5 H5 G6 H6 G7 H7 G8 H8 G2 H1
AUTOMATIC CT
SHORTING
BAR
PHASE A PHASE B PHASE C
PHASE
VOLTAGE INPUTS
OUTPUT CT's
CONTROL
POWER
FILTER GROUND
SAFETY GROUND
IRIG - B
TRIP COIL
SUPERVISION
1 TRIP
2 AUXILIARY
3 AUXILIARY
4 AUXILIARY
5 ALARM
6 SERVICE
GE Multilin
SECONDARY INJECTION
TEST SETUP
COMPUTER
ANALOG I/O
AUXILIARY
COMM.
RS485
RS485 ANALOG OUTPUTS ANALOG INPUTS
D25 D26 D27 B2 B3 B4 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26
A
A
A
RS485 RS485
A
FIGURE 7–1: Secondary Current Injection Testing
C N
H2 G1
H12
H11
G11
G12
E12
F12
SWITCH
E11
+24VAC
F11
SWITCH
COMMON
E2
STOP
TRIGGER
F1
G
E1
R
F2
E3
G
F3
R
E5
F4
G
E4
R
F5
E6
G
F6
R
E8
F7
G
E7
G
F8
E9
R
F9
A27
V
START
START
TRIGGER
TIMER
808818A3.CDR
7–3