GE 750 Instruction Manual page 353
Feeder management
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16 COMMUNICATIONS
Table 16–15: MODBUS MEMORY MAP (Sheet 28 of 41)
ADDR DESCRIPTION
2
Underfrequency 1 Minimum Operating Voltage
17A4
1
Underfrequency 1 Minimum Operating Current
17A5
S5
UNDERFREQUENCY 2
17A8
Underfrequency 2 Function
17A9
Underfrequency 2 Relays
17AA
Underfrequency 2 Pickup
17AB
Underfrequency 2 Delay
2
Underfrequency 2 Minimum Operating Voltage
17AC
1
Underfrequency 2 Minimum Operating Current
17AD
S5
LINE UNDERVOLTAGE 3
17B0
Line Undervoltage 3 Function
17B1
Line Undervoltage 3 Relays
2
Line Undervoltage 3 Pickup
17B2
17B3
Line Undervoltage 3 Delay
2
Line Undervoltage 3 Minimum Operating Voltage
17B4
17B5
Line Undervoltage 3 Curve
S5
LINE UNDERVOLTAGE 4
17B8
Line Undervoltage 4 Function
17B9
Line Undervoltage 4 Relays
Line Undervoltage 4 Pickup
2
17BA
17BB
Line Undervoltage 4 Delay
2
Line Undervoltage 4 Minimum Operating Voltage
17BC
17BD
Line Undervoltage 4 Curve
S5
FREQUENCY DECAY
1
Frequency Decay Function
17C0
1
Frequency Decay Relays
17C1
1
Frequency Decay Rate
17C2
1
Frequency Decay Pickup
17C3
1
Frequency Decay Delay
17C4
1
Frequency Decay Minimum Operating Voltage
17C5
1
Frequency Decay Minimum Operating Current
17C6
RESERVED FOR MOD 008
5
S5
17C8
Reserved for MOD 008
17C9
Reserved for MOD 008
17CA
Reserved for MOD 008
1 2 3 4 5 6 7 8 9
For explanation of Table footnotes, see page 16–59.
GE Power Management
Courtesy of NationalSwitchgear.com
RANGE
0.00 to 1.25
0.00 to 20.00
20.00 to 65.00
0.00 to 600.00
0.00 to 1.25
0.00 to 20.00
0.00 to 1.25
0.0 to 6000.0
0.00 to 1.25
0.00 to 1.25
0.0 to 6000.0
0.00 to 1.25
0.1 to 5.0
20.00 to 65.00
0.00 to 600.00
0.00 to 1.25
0.00 to 20.00
0.015 to 0.600
750/760 Feeder Management Relay
16.4 MODBUS MEMORY MAP
UNITS
TYPE
x VT
F3
x CT
F3
---
---
F39
---
---
F57
Hz
F3
s
F3
x VT
F3
x CT
F3
---
---
F39
---
---
F57
x VT
F3
s
F2
x VT
F3
---
---
F45
---
---
F39
---
---
F57
x VT
F3
s
F2
x VT
F3
---
---
F45
---
---
F39
---
---
F57
Hz/s
F2
Hz
F3
s
F3
x VT
F3
x CT
F3
---
---
F39
---
---
F57
x RATED
F70
FACTORY
DEFAULT
0.70 x VT
0.20 x CT
READ/WRITE
Disabled
None
58.00 Hz
3.00 s
0.70 x VT
0.20 x CT
READ/WRITE
Disabled
None
0.75 x VT
2.0 s
0.30 x V
Definite Time
READ/WRITE
Disabled
None
16
0.75 x VT
2.0 s
0.30 x V
Definite Time
READ/WRITE
Disabled
None
1.0 Hz/s
59.50 Hz
2.00 s
0.70 x VT
0.00 x CT
READ/WRITE
Disabled
None
0.050 x RATED
16-
45
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