GE 745 TRANSFORMER MANAGEMENT RELAY User Manual

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

GE 745 TRANSFORMER MANAGEMENT RELAY Specifications

General

Brand	GE
Model	745 TRANSFORMER MANAGEMENT RELAY
Category	Relays
Language	English