GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 267

8 COMMUNICATIONS
Table 8–6: 745 MEMORY MAP (Sheet 41 of 57)
GROUP ADDR DESCRIPTION
(HEX)
WINDING 1 21C4 Winding 1 Ground Inst O/C 2 Block
GROUND INST
21C5 Reserved
OC 2
↓
continued
21CF Reserved
WINDING 2 21D0 Winding 2 Ground Inst O/C 2 Function
GROUND INST
21D1 Winding 2 Ground Inst O/C 2 Target
O/C 2
21D2 Winding 2 Ground Inst O/C 2 Pickup
21D3 Winding 2 Ground Inst O/C 2 Delay
21D4 Winding 2 Ground Inst O/C 2 Block
21D5 Reserved
↓
21DF Reserved
WINDING 3 21E0 Winding 3 Ground Inst O/C 2 Function
GROUND INST
21E1 Winding 3 Ground Inst O/C 2 Target
O/C 2
21E2 Winding 3 Ground Inst O/C 2 Pickup
21E3 Winding 3 Ground Inst O/C 2 Delay
21E4 Winding 3 Ground Inst O/C 2 Block
21E5 Reserved
↓
21EF Reserved
WINDING 1 21F0 Winding 1 Restricted Ground Fault Function
RESTD GND
21F1 Winding 1 Restricted Ground Fault Target
FAULT
21F2 Winding 1 Restricted Ground Fault Pickup
21F3 Winding 1 Restricted Ground Fault Slope
21F4 Winding 1 Restricted Ground Fault Delay
21F5 Winding 1 Restricted Ground Fault Block
21F6 Reserved
↓
21FF Reserved
WINDING 2 2200 Winding 2 Restricted Ground Fault Function
RESTD GND
2201 Winding 2 Restricted Ground Fault Target
FAULT
2202 Winding 2 Restricted Ground Fault Pickup
2203 Winding 2 Restricted Ground Fault Slope
2204 Winding 2 Restricted Ground Fault Delay
2205 Winding 2 Restricted Ground Fault Block
2206 Reserved
↓
220F Reserved
GE Power Management
RANGE
↓
0.05 to 20.00
0 to 60000
↓
0.05 to 20.00
0 to 60000
↓
0.05 to 20.00
0 to 100
0.00 to 600.00
↓
0.05 to 20.00
0 to 100
0.00 to 600.00
↓
745 Transformer Management Relay
8.3 MODBUS MEMORY MAP
STEP UNITS FORMAT
VALUE
--- --- ---
↓ ↓ ↓
--- --- ---
--- --- ---
× CT
0.01
1 ms
--- --- ---
↓ ↓ ↓
--- --- ---
--- --- ---
× CT
0.01
1 ms
--- --- ---
↓ ↓ ↓
--- --- ---
--- --- ---
× CT
0.01
1 %
0.01 s
--- --- ---
↓ ↓ ↓
--- --- ---
--- --- ---
× CT
0.01
1 %
0.01 s
--- --- ---
↓ ↓ ↓
FACTORY
CODE DEFAULT
F87 0 = Disabled
↓ ↓
F30 0 = Disabled
F46 1 = Latched
1000=10.00 × CT
F3
F1 0 ms
F87 0 = Disabled
↓ ↓
F30 0 = Disabled
F46 1 = Latched
1000=10.00 × CT
F3
F1 0 ms
F87 0 = Disabled
↓ ↓
F30 0 = Disabled
F46 1 = Latched
8 = 0.08 × CT
F3
F1 10%
F3 10 = 0.10 s
F87 0 = Disabled
↓ ↓
8
F30 0 = Disabled
F46 1 = Latched
8 = 0.08 × CT
F3
F1 10%
F3 10 = 0.10 s
F87 0 = Disabled
↓ ↓
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