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7.4 MODBUS MEMORY MAP
Table 7–5: 745 MEMORY MAP (Sheet 2 of 35)
GROUP
ADDR
(HEX)
User Map (Addresses 0100 to 01FF) - Read / Write
USER MAP
0100
VALUES
0101
↓
0177
0178
↓
017F
USER MAP
0180
ADDRESSES
0181
↓
01F7
01F8
↓
01FF
Actual Values (Addresses 0200 to 07FF) - Read Only
SYSTEM
0200
STATUS
0201
0202
0203
0204
0205
0206
↓
0207
ELEMENT
0208
FLAGS
0209
020A
020B
020C
020D
020E
020F
0210
7
0211
0212
0213
0214
0215
0216
0217
0218
0219
021A
021B
021C
021D
021E
021F
0220
0221
0222
0223
0224
0225
7-14
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DESCRIPTION
User Map Value #1
User Map Value #2
↓
User Map Value #120
Reserved
↓
Reserved
User Map Address #1
User Map Address #2
↓
User Map Address #120
Reserved
↓
Reserved
Relay Status
System Status
Conditions
Operation Status
Logic Input Status
Output Relay Status
Reserved
↓
Reserved
Any Element Flag
Any Winding 1 Overcurrent Element Flag
Any Winding 2 Overcurrent Element Flag
Any Winding 3 Overcurrent Element Flag
Percent Differential Flag
Inst. Differential Flag
Winding 1 Phase Time O/C Flag
Winding 2 Phase Time O/C Flag
Winding 3 Phase Time O/C Flag
Winding 1 Phase Inst O/C 1 Flag
Winding 2 Phase Inst O/C 1 Flag
Winding 3 Phase Inst O/C 1 Flag
Winding 1 Phase Inst O/C 2 Flag
Winding 2 Phase Inst O/C 2 Flag
Winding 3 Phase Inst O/C 2 Flag
Winding 1 Neutral Time O/C Flag
Winding 2 Neutral Time O/C Flag
Winding 3 Neutral Time O/C Flag
Winding 1 Neutral Inst O/C 1 Flag
Winding 2 Neutral Inst O/C 1 Flag
Winding 3 Neutral Inst O/C 1 Flag
Winding 1 Neutral Inst O/C 2 Flag
Winding 2 Neutral Inst O/C 2 Flag
Winding 3 Neutral Inst O/C 2 Flag
Winding 1 Ground Time O/C Flag
Winding 2 Ground Time O/C Flag
Winding 3 Ground Time O/C Flag
Winding 1 Ground Inst O/C 1 Flag
Winding 2 Ground Inst O/C 1 Flag
Winding 3 Ground Inst O/C 1 Flag
745 Transformer Management Relay
RANGE
STEP
UNITS
VALUE
---
---
---
---
---
---
↓
↓
↓
---
---
---
↓
↓
↓
0000 to FFFF
0001
hex
0000 to FFFF
0001
hex
↓
↓
↓
0000 to FFFF
0001
hex
↓
↓
↓
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
↓
↓
↓
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
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---
---
---
---
---
---
---
---
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---
---
---
---
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---
---
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---
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7 COMMUNICATIONS
FORMAT
FACTORY
CODE
DEFAULT
---
---
---
---
↓
↓
---
---
↓
↓
F1
0000 hex
F1
0000 hex
↓
↓
F1
0000 hex
↓
↓
F20
---
F21
---
F35
---
F44
---
F49
---
F50
---
↓
↓
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
F52
---
GE Multilin
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