Rear Terminal Assignments - GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual

3 INSTALLATION
ANALOG INTERFACE
A1 ANALOG INPUT +
A2 ANALOG INPUT –
A3 TAP POSITION (+)
A4 TAP POSITION (–)
A5 ANALOG OUTPUT (Common)
A6 ANALOG OUTPUT 1 (+)
A7 ANALOG OUTPUT 2 (+)
A8 ANALOG OUTPUT 3 (+)
A9 ANALOG OUTPUT 4 (+)
A10 ANALOG OUTPUT 5 (+)
A11 ANALOG OUTPUT 6 (+)
A12 ANALOG OUTPUT 7 (+)
COMMUNICATIONS & RTD INPUTS
B1 COMPUTER RS485 (+) / RS422 (Rx +)
B2 COMPUTER RS485 (–) / RS422 (Rx –)
B3 COMPUTER RS485 (Com) / RS422 (Com)
B4 RS422 (Tx +)
B5 RS422 (Tx –)
B6 EXTERNAL RS485 (+)
B7 EXTERNAL RS485 (–)
B8 IRIG-B +
B9 IRIG-B –
B10 RTD 1 HOT
B11 RTD 1 COMPENSATION
B12 RTD 1 RETURN
LOGIC INPUTS 9-16 & VT INPUT
C1 LOGIC INPUT 9 (+)
C2 LOGIC INPUT 10 (+)
C3 LOGIC INPUT 11 (+)
C4 LOGIC INPUT 12 (+)
C5 LOGIC INPUT 13 (+)
C6 LOGIC INPUT 14 (+)
C7 LOGIC INPUT 15 (+)
C8 LOGIC INPUT 16 (+)
C9 RESERVED
C10 RESERVED
C11 VT INPUT I
C12 VT INPUT
LOGIC INPUTS 1-8 & DEDICATED INPUTS
D1 LOGIC INPUT 1 (+)
D2 LOGIC INPUT 2 (+)
D3 LOGIC INPUT 3 (+)
D4 LOGIC INPUT 4 (+)
D5 LOGIC INPUT 5 (+)
D6 LOGIC INPUT 6 (+)
D7 LOGIC INPUT 7 (+)
D8 LOGIC INPUT 8 (+)
D9 SETPOINT ACCESS (+)
D10 SETPOINT ACCESS (–)
D11 LOGIC POWER OUT (+)
D12 LOGIC POWER OUT (–)
I indicates high side of CT and VT terminals
GE Power Management
OUTPUTS & GROUND CT N2
E1
E2
E3
E4
E5
E6
E7
E8
E9
E10
E11
E12
OUTPUTS & GROUND CT N2
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
CT INPUTS & 745 GROUNDING
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G12
CT and VT INPUTS / POWER
H1
H2
H3
H4
H5
H6
H7
H8
H9
H10
H11
H12
745 Transformer Management Relay
3.2 TYPICAL WIRING

3.2.3 REAR TERMINAL ASSIGNMENTS

OUTPUT 1 - SOLID STATE TRIP (+)
OUTPUT 2 - TRIP RELAY (N/O)
OUTPUT 3 - TRIP RELAY (N/O)
OUTPUT 4 - TRIP RELAY (N/O)
OUTPUT 5 - TRIP RELAY (N/O)
OUTPUT 6 - AUXILIARY RELAY (N/O)
OUTPUT 6 - AUXILIARY RELAY (N/C)
OUTPUT 7 - AUXILIARY RELAY (N/O)
OUTPUT 8 - AUXILIARY RELAY (N/O)
OUTPUT 8 - AUXILIARY RELAY (N/C)
OUTPUT 9 - SERVICE RELAY (Common)
GROUND - WINDING 2/3 CT
OUTPUT 1 - SOLID STATE TRIP (–)
OUTPUT 2 - TRIP RELAY (Common)
OUTPUT 3 - TRIP RELAY (Common)
OUTPUT 4 - TRIP RELAY (Common)
OUTPUT 5 - TRIP RELAY (Common)
OUTPUT 6 - AUXILIARY RELAY (
OUTPUT 7 - AUXILIARY RELAY (N/O)
OUTPUT 7 - AUXILIARY RELAY (N/C)
OUTPUT 8 - AUXILIARY RELAY (Common)
OUTPUT 9 - SERVICE RELAY (N/O)
OUTPUT 9 - SERVICE RELAY (N/C)
GROUND - WINDING 2/3 CT
PHASE A - WINDING 1 CT
PHASE B - WINDING 1 CT
PHASE C - WINDING 1 CT
PHASE A - WINDING 2 CT
PHASE B - WINDING 2 CT
PHASE C - WINDING 2 CT
PHASE A - WINDING 3 CT
PHASE B - WINDING 3 CT
PHASE C - WINDING 3 CT
GROUND - WINDING 1/2 CT
745 FILTER GROUND
745 SAFETY GROUND
I
PHASE A - WINDING 1 CT
PHASE B - WINDING 1 CT I
PHASE C - WINDING 1 CT I
PHASE A - WINDING 2 CT I
I
PHASE B - WINDING 2 CT
I
PHASE C - WINDING 2 CT
I
PHASE A - WINDING 3 CT
PHASE B - WINDING 3 CT I
PHASE C - WINDING 3 CT I
GROUND - WINDING 1/2 CT
CONTROL POWER (–)
CONTROL POWER (+)
3
Common )
I
I
3-5