GE 750 Manual page 59

CHAPTER 4: MODBUS MEMORY MAP
Table 3: Modbus Memory Map (Sheet 34 of 40)
ADDR
1B06 Underfrequency Pickup Inhibit
SYNCHROCHECK (read/write setpoints)
1B10 Synchrocheck Function
1B11 Dead Source Permissive
2
Dead Bus Maximum Voltage
1B12
2
Dead Line Maximum Voltage
1B13
2
Live Bus Minimum Voltage
1B14
2
Live Line Minimum Voltage
1B15
2 Maximum Voltage Difference
1B16
1B17 Maximum Angle Difference
1B18 Maximum Frequency Difference
1B19 Synchrocheck Relays
MANUAL CLOSE FEATURE BLOCKING (read/write setpoints)
1B20 Manual Close Feature Blocking Function
1B21 Manual Close Relays
2
Manual Close Block Time
1B22
1
Select Setpoint Group
1B23
2
Overcurrent Blocking Flags
1B24
2
Phase Time Overcurrent 1 Raised Pickup
1B25
2
Neutral Time Overcurrent 1 Raised Pickup
1B26
2
Ground Time Overcurrent Raised Pickup
1B27
2
Negative Sequence Time Overcurrent Raised Pickup
1B28
3
Sensitive Ground Time Overcurrent Raised Pickup
1B29
COLD LOAD FEATURE BLOCKING (read/write setpoints)
1B40 Cold Load Pickup Feature Blocking Function
1B41 Cold Load Pickup Relays
1B42 Outage Time Before Cold Load
2
Cold Load Pickup Block Time
1B43
1
Select Setpoint Group
1B44
2
Overcurrent Blocking Flags
1B45
2 Phase Time Overcurrent 1 Raised Pickup
1B46
2
Neutral Time Overcurrent 1 Raised Pickup
1B47
2
Ground Time Overcurrent Raised Pickup
1B48
2
Negative Sequence Time Overcurrent Raised Pickup
1B49
3
Sensitive Ground Time Overcurrent Raised Pickup
1B4A
UNDERVOLTAGE RESTORATION (read/write setpoints)
1B60 Undervoltage Restoration Function
1B61 Undervoltage Restoration Relays
1B62 Undervoltage Restoration Phases Required for Operation
2
Undervoltage Restoration Minimum Voltage
1B63
1B64 Undervoltage Restoration Delay
1B65 Undervoltage Restoration Incomplete Sequence Time
3
Undervoltage Restoration Source
1B66
UNDERFREQUENCY RESTORATION (read/write setpoints)
1B70 Underfrequency Restoration Function
1B71 Underfrequency Restoration Relays
2
Underfrequency Restoration Minimum Voltage
1B72
8
Underfrequency Restoration Minimum Frequency
1B73
1 2 3 4 5 6 7 8 9 10 11 12 13
For explanation of Table footnotes, see the Memory Map Notes at the end of this table.
750/760 FEEDER MANAGEMENT RELAY – COMMUNICATIONS GUIDE
DESCRIPTION RANGE UNITS
--- ---
--- ---
--- ---
0.00 to 1.25 x VT
0.00 to 1.25 x VT
0.00 to 1.25 x VT
0.00 to 1.25 x VT
0.01 to 100.00 kV
0 to 100 °
0 to 5.00 Hz
--- ---
--- ---
--- ---
1 to 1000 s
--- ---
--- ---
0 to 100 %
0 to 100 %
0 to 100 %
0 to 100 %
0 to 100 %
--- ---
--- ---
1 to 1000 min.
1 to 1000 s
--- ---
--- ---
0 to 100 %
0 to 100 %
0 to 100 %
0 to 100 %
0 to 100 %
--- ---
--- ---
--- ---
0.00 to 1.25 x VT
0 to 10000 s
1 to 10,000 min.
--- ---
--- ---
--- ---
0.00 to 1.25 x VT
20.00 to 65.00 Hz
MEMORY MAP
TYPE DEFAULT
F30 Disabled
F38 Disabled
F20 OFF
F3 0.20 x VT
F3 0.20 x VT
F3 0.80 x VT
F3 0.80 x VT
F3 2.00 kV
F1 24°
F3 2.00 Hz
F57 None
F38 Disabled
F57 None
F1 5 s
F80 Active Group
F59 None blocked
F1 0%
F1 0%
F1 0%
F1 0%
F1 0%
F38 Disabled
F57 None
F1 100 min.
F1 5 s
F80 Active Group
F59 None blocked
F1 0%
F1 0%
F1 0%
F1 0%
F1 0%
F38 Disabled
F57 None
F41 All Three
F3 0.90 x V
F1 10 s
F1 100 min.
F87 Bus
F38 Disabled
F57 None
F3 0.90 x V
F3 59.90 Hz
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