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7 COMMUNICATIONS
Table 7–5: 745 MEMORY MAP (Sheet 29 of 35)
GROUP
ADDR
(HEX)
WINDING 1
21E5
RESTD GND
↓
FAULT
21EF
21F0
21F1
21F2
21F3
21F4
21F5
21F6
↓
21FF
WINDING 2
2200
RESTD GND
2201
FAULT
2202
2203
2204
2205
2206
↓
220F
WINDING 3
2210
RESTD GND
2211
FAULT
2212
2213
2214
2215
2216
↓
2245
WINDING 1
2246
NEG SEQ TIME
↓
O/C
224F
2250
2251
2252
2253
2254
2255
2256
2257
↓
225F
WINDING 2
2260
NEG SEQ TIME
2261
O/C
2262
2263
2264
2265
2266
2267
↓
226F
GE Multilin
Courtesy of NationalSwitchgear.com
DESCRIPTION
Reserved
↓
Reserved
Winding 1 Restricted Ground Fault Function
Winding 1 Restricted Ground Fault Target
Winding 1 Restricted Ground Fault Pickup
Winding 1 Restricted Ground Fault Slope
Winding 1 Restricted Ground Fault Delay
Winding 1 Restricted Ground Fault Block
Reserved
↓
Reserved
Winding 2 Restricted Ground Fault Function
Winding 2 Restricted Ground Fault Target
Winding 2 Restricted Ground Fault Pickup
Winding 2 Restricted Ground Fault Slope
Winding 2 Restricted Ground Fault Delay
Winding 2 Restricted Ground Fault Block
Reserved
↓
Reserved
Winding 3 Restricted Ground Fault Function
Winding 3 Restricted Ground Fault Target
Winding 3 Restricted Ground Fault Pickup
Winding 3 Restricted Ground Fault Slope
Winding 3 Restricted Ground Fault Delay
Winding 3 Restricted Ground Fault Block
Reserved
↓
Reserved
Reserved
↓
Reserved
Winding 1 Neg Seq Time O/C Function
Winding 1 Neg Seq Time O/C Target
Winding 1 Neg Seq Time O/C Pickup
Winding 1 Neg Seq Time O/C Shape
Winding 1 Neg Seq Time O/C Multiplier
Winding 1 Neg Seq Time O/C Reset
Winding 1 Neg Seq Time O/C Block
Reserved
↓
Reserved
Winding 2 Neg Seq Time O/C Function
Winding 2 Neg Seq Time O/C Target
Winding 2 Neg Seq Time O/C Pickup
Winding 2 Neg Seq Time O/C Shape
Winding 2 Neg Seq Time O/C Multiplier
Winding 2 Neg Seq Time O/C Reset
Winding 2 Neg Seq Time O/C Block
Reserved
↓
Reserved
745 Transformer Management Relay
7.4 MODBUS MEMORY MAP
RANGE
STEP
UNITS
VALUE
↓
↓
↓
---
---
---
---
---
---
× CT
0.02 to 20.00
0.01
0 to 100
1
%
0.00 to 600.00
0.01
s
---
---
---
↓
↓
↓
---
---
---
---
---
---
× CT
0.02 to 20.00
0.01
0 to 100
1
%
0.00 to 600.00
0.01
s
---
---
---
↓
↓
↓
---
---
---
---
---
---
× CT
0.02 to 20.00
0.01
0 to 100
1
%
0.00 to 600.00
0.01
s
---
---
---
↓
↓
↓
↓
↓
↓
---
---
---
---
---
---
× CT
0.05 to 20.00
0.01
---
---
---
0.00 to 100.00
0.01
---
---
---
---
---
---
---
↓
↓
↓
---
---
---
---
---
---
× CT
0.05 to 20.00
0.01
---
---
---
0.00 to 100.00
0.01
---
---
---
---
---
---
---
↓
↓
↓
FORMAT
FACTORY
CODE
DEFAULT
↓
↓
F30
0 = Disabled
F46
1 = Latched
8 = 0.08 × CT
F3
F1
10%
F3
10 = 0.10 s
F87
0 = Disabled
↓
↓
F30
0 = Disabled
F46
1 = Latched
8 = 0.08 × CT
F3
F1
10%
F3
10 = 0.10 s
F87
0 = Disabled
↓
↓
F30
0 = Disabled
F46
1 = Latched
8 = 0.08 × CT
F3
F1
10%
F3
10 = 0.10 s
F87
0 = Disabled
↓
↓
↓
↓
F30
0 = Disabled
F46
1 = Latched
7
25 = 0.25 × CT
F3
F36
0 = Ext Inverse
F3
100 = 1.00
F68
1 = Linear
F87
0 = Disabled
↓
↓
F30
0 = Disabled
F46
1 = Latched
25 = 0.25 × CT
F3
F36
0 = Ext Inverse
F3
100 = 1.00
F68
1 = Linear
F87
0 = Disabled
↓
↓
7-41
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