GE 750

4 - 40 750/760 FEEDER MANAGEMENT RELAY – COMMUNICATIONS GUIDE
MEMORY MAP CHAPTER 4: MODBUS MEMORY MAP
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.
TRANSFER (read/write setpoints)
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
1B84 Transfer Delay Select to Trip 0.0 to 10.0 s F2 0.0 s
1B85 Transfer Ready Operate Relay 3 --- --- F30 Disabled
1B86 Bus Transfer Logic Scheme 0 to 1 --- F94 Scheme 1
AUTORECLOSE SETUP (read/write setpoints, 760 only)
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
AUTORECLOSE RATE SUPERVISION (read/write setpoints, 760 only)
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
CURRENT SUPERVISION (read/write setpoints, 760 only)
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
ZONE COORDINATION (read/write setpoints, 760 only)
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
RECLOSURE SHOT 1 (read/write setpoints, 760 only)
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%
RECLOSURE SHOT 2 (read/write setpoints, 760 only)
1BD0
2
Deadtime Before Reclosure 2 0.00 to 300.00 s F3 3.00 s
1BD1
1
Select Setpoint Group --- --- F80 Active Group
1BD2
2
Overcurrent Blocking Flags --- --- F59 None blocked
Table 3: Modbus Memory Map (Sheet 35 of 40)
ADDR DESCRIPTION RANGE UNITS TYPE DEFAULT
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.