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7 COMMUNICATIONS
Table 7–5: 745 MEMORY MAP (Sheet 35 of 35)
GROUP
ADDR
(HEX)
Playback Memory (Addresses 4800 to 4FFF) - Read / Write
PLAYBACK
4800
MEMORY
4801
↓
480F
4810
4811
↓
4C0F
4C10
↓
4FFF
ANALOG
5160
OUTPUT
5161
D/A
COUNTS
5162
5163
5164
5165
5166
CALIBRATION
51A0
SAMPLE
51A1
DATA
51A2
51A3
51A4
51A5
51A6
51A7
51A8
51A9
51AA
51AB
51AC
↓
51AF
CALIBRATION
51B0
GROUND
51B1
CURRENTS
51B2
↓
51BF
GE Multilin
Courtesy of NationalSwitchgear.com
DESCRIPTION
Playback Channel Selector Index (XX)
Reserved
↓
Reserved
Playback Channel XX Sample 0
Playback Channel XX Sample 1
↓
Playback Channel XX Sample 1023
Reserved
↓
Reserved
Force Analog Output 1 D/A Count
Force Analog Output 2 D/A Count
Force Analog Output 3 D/A Count
Force Analog Output 4 D/A Count
Force Analog Output 5 D/A Count
Force Analog Output 6 D/A Count
Force Analog Output 7 D/A Count
Winding 1 Phase A Current Sample
Winding 1 Phase B Current Sample
Winding 1 Phase C Current Sample
Winding 1/2 Ground Current Sample
Winding 2 Phase A Current Sample
Winding 2 Phase B Current Sample
Winding 2 Phase C Current Sample
Winding 2/3 Ground Current Sample
Winding 3 Phase A Current Sample
Winding 3 Phase B Current Sample
Winding 3 Phase C Current Sample
Voltage Sample
Reserved
↓
Reserved
Winding 1/2 Ground Current - RMS Magnitude
Winding 2/3 Ground Current - RMS Magnitude
Reserved
↓
Reserved
745 Transformer Management Relay
7.4 MODBUS MEMORY MAP
RANGE
STEP
UNITS
VALUE
---
---
---
↓
↓
↓
---
---
---
---
---
---
↓
↓
↓
---
---
---
↓
↓
↓
0 to 4095
1
---
0 to 4095
1
---
0 to 4095
1
---
0 to 4095
1
---
0 to 4095
1
---
0 to 4095
1
---
0 to 4095
1
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
↓
↓
↓
---
---
A
---
---
A
↓
↓
↓
FORMAT
FACTORY
CODE
DEFAULT
F69
---
↓
↓
F70
---
F70
---
↓
↓
F70
---
↓
↓
F1
0
F1
0
F1
0
F1
0
F1
0
F1
0
F1
0
F70
---
F70
---
F70
---
F70
---
F70
---
F70
---
F70
---
F70
---
F70
---
F70
---
F70
---
F70
---
↓
↓
F81 / F82
---
7
F82 / F83
---
↓
↓
7-47
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