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8.3 MODBUS MEMORY MAP
Table 8–6: 745 MEMORY MAP (Sheet 20 of 57)
GROUP
ADDR
(HEX)
DEFAULT
1043
MESSAGES
1045
continued
1047
1049
104B
104D
104F
1051
1053
1055
1057
1059
105B
105D
↓
105F
SCRATCHPAD
1060
1074
1088
109C
10B0
10C4
↓
10CF
DNP
10D0
10D1
10D2
10D3
8
10D4
10D5
10D6
10D7
10D8
10D9
↓
10FF
TRANSFORMER
1100
1101
8-36
DESCRIPTION
Default Message #18 (2 registers)
Default Message #19 (2 registers)
Default Message #20 (2 registers)
Default Message #21 (2 registers)
Default Message #22 (2 registers)
Default Message #23 (2 registers)
Default Message #24 (2 registers)
Default Message #25 (2 registers)
Default Message #26 (2 registers)
Default Message #27 (2 registers)
Default Message #28 (2 registers)
Default Message #29 (2 registers)
Default Message #30 (2 registers)
Reserved
↓
Reserved
Scratchpad Message 1 (20 registers)
Scratchpad Message 2 (20 registers)
Scratchpad Message 3 (20 registers)
Scratchpad Message 4 (20 registers)
Scratchpad Message 5 (20 registers)
Reserved
↓
Reserved
Port Used For DNP
Include User Map Points (Point Mapping)
Transmission Delay
Data Link Confirmation Mode
Data Link Confirmation Timeout
Data Link Confirmation Retries
Select/Operate Arm Timer Duration
Write Time Interval
Inhibit Cold Restart
Reserved
↓
Reserved
Nominal Frequency
Phase Sequence
745 Transformer Management Relay
8 COMMUNICATIONS
RANGE
STEP
UNITS
VALUE
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
↓
↓
↓
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
↓
↓
↓
---
---
---
---
---
---
0 to 65000
1
ms
---
---
---
1 to 65000
1
ms
0 to 100
1
---
1 to 65000
1
ms
0 to 65000
1
ms
---
---
---
↓
↓
↓
50 to 60
10
Hz
---
---
---
FORMAT
FACTORY
CODE
DEFAULT
F32
---
F32
---
F32
---
F32
---
F32
---
F32
---
F32
---
F32
---
F32
---
F32
---
F32
---
F32
---
F32
---
↓
↓
F33
"Text 1"
F33
"Text 2"
F33
"Text 3"
F33
"Text 4"
F33
"Text 5"
↓
↓
F99
0 = None
F30
1 = Enabled
F1
0 ms
F102
0 = Never
F1
1000 ms
F1
3
F1
10000 ms
F1
0 ms
F30
0 = Disabled
↓
↓
F1
60 Hz
F27
0 = ABC
GE Power Management
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