GE Multilin 750/760 Feeder Management Relay 7-37
7 COMMUNICATIONS 7.4 MODBUS MEMORY MAP
7
1B64 Undervoltage Restoration Delay 0 to 10000 s F1 10 s
1B65 Undervoltage Restoration Incomplete Sequence Time 1 to 10,000 min. F1 100 min.
1B66
3
Undervoltage Restoration Source --- --- F87 Bus
S7 UNDERFREQUENCY RESTORATION READ/WRITE
1B70 Underfrequency Restoration Function --- --- F38 Disabled
1B71 Underfrequency Restoration Relays --- --- F57 None
1B72
2
Underfrequency Restoration Minimum Voltage 0.00 to 1.25 x VT F3 0.90 x V
1B73
8
Underfrequency Restoration Minimum Frequency 20.00 to 65.00 Hz F3 59.90 Hz
1B74 Underfrequency Restoration Delay 0 to 10000 s F1 10 s
1B75 Underfrequency Restoration Incomplete Sequence Time 1 to 10,000 min. F1 100 min.
S7 TRANSFER READ/WRITE
1B80 Transfer Function --- --- F56 Disabled
1B81 Transfer Delay This Source 0.0 to 10.0 s F2 1.0 s
1B82 Transfer Delay Other Source 0.0 to 10.0 s F2 3.0 s
1B83 Block Trip On Double Loss --- --- F30 Disabled
S7 AUTORECLOSE SETUP - 760 ONLY READ/WRITE
1BA0 Autoreclose Function --- --- F30 Disabled
1BA1 Number of Reclosure Shots 1 to 4 1 F1 1
1BA2 Autoreclose Reset Time 1 to 1000 s F1 60 s
1BA3 Autoreclose Block Time Upon Manual Close 0 to 200 s F1 10 s
1BA4 Incomplete Sequence Time 1 to 1000 s F1 30 s
1BA5 Reclosure Enabled Relays --- --- F57 None
1BA6 Reclose In Progress Relays --- --- F57 None
1BA7 Reclosure Lockout Relays --- --- F57 None
1BA8
8
Autoreclose External Close Logic --- --- F30 Disabled
S7 AUTORECLOSE RATE SUPERVISION -
760 ONLY
READ/WRITE
1BAA
8
Rate Supervision Function --- --- F38 Disabled
1BAB
8
Max Autoreclose Rate 1 to 50 /hr. F1 25
1BAC
8
Rate Supervision Relays --- --- F57 None
S7 CURRENT SUPERVISION - 760 ONLY READ/WRITE
1BB0 Current Supervision Function --- --- F30 Disabled
1BB1
2
3 Shots For Current Above 0.00 to 20.00 x CT F3 17.00 x CT
1BB2
2
2 Shots For Current Above 0.00 to 20.00 x CT F3 18.00 x CT
1BB3
2
1 Shot For Current Above 0.00 to 20.00 x CT F3 19.00 x CT
1BB4 Current Supervision To Lockout --- --- F30 Disabled
1BB5
2
Lockout For Current Above 0.00 to 20.00 x CT F3 20.00 x CT
S7 ZONE COORDINATION - 760 ONLY READ/WRITE
1BB8
1
Zone Coordination Function --- --- F30 Disabled
1BB9
1
Phase Current Increase 0.05 to 20.00 x CT F3 1.00 x CT
1BBA
1
Neutral Current Increase 0.05 to 20.00 x CT F3 1.00 x CT
1BBB
1
Maximum fault Clearing Time 1 to 1000 s F1 10 s
S7 RECLOSURE SHOT 1 - 760 ONLY READ/WRITE
1BC0
2
Deadtime Before Reclosure 1 0.00 to 300.00 s F3 0.50 s
1BC1
1
Select Setpoint Group --- --- F80 Active Group
1BC2
2
Overcurrent Blocking Flags --- --- F59 None blocked
1BC3
1
Phase Time Overcurrent 1 Raised Pickup 0 to 100 % F1 0%
1BC4
1
Neutral Time Overcurrent 1 Raised Pickup 0 to 100 % F1 0%
1BC5
1
Ground Time Overcurrent Raised Pickup 0 to 100 % F1 0%
1BC6
1
Negative Sequence Time Overcurrent Raised Pickup 0 to 100 % F1 0%
1BC7
3
Sensitive Ground Time Overcurrent Raised Pickup 0 to 100 % F1 0%
S7 RECLOSURE SHOT 2 - 760 ONLY READ/WRITE
1BD0
2
Deadtime Before Reclosure 2 0.00 to 300.00 s F3 3.00 s
1BD1
1
Select Setpoint Group --- --- F80 Active Group
Table 7–6: MODBUS MEMORY MAP (SHEET 25 OF 27)
ADDR DESCRIPTION RANGE UNITS TYPE DEFAULT
1 2 3 4 5 6 7 8 9
For explanation of Table footnotes, see the Memory Map Notes at the end of this table.
Courtesy of NationalSwitchgear.com