
CHAPTER 4: MODBUS MEMORY MAP
MEMORY MAP
750/760 FEEDER MANAGEMENT RELAY – COMMUNICATIONS GUIDE
4 - 31
1634
1
Neutral Time Overcurrent 1 Multiplier
0.00 to 100.00
---
F3
1.00
1635
1
Neutral Time Overcurrent 1 Reset Time
---
---
F68
Instantaneous
1636
1
Neutral Time Overcurrent 1 Direction
---
---
F84
Disabled
NEUTRAL INSTANTANEOUS OVERCURRENT 1 (read/write setpoints)
1640
2
Neutral Instantaneous Overcurrent 1 Function
---
---
F37
Disabled
1641
2
Neutral Instantaneous Overcurrent 1 Relays
---
---
F57
None
1642
2
Neutral Instantaneous Overcurrent 1 Pickup
0.05 to 20.00
x CT
F3
1.00 x CT
1643
2
Neutral Instantaneous Overcurrent 1 Delay
0.00 to 600.00
s
F3
0.00 s
1644
1
Neutral Instantaneous Overcurrent 1 Direction
---
---
F84
Disabled
NEUTRAL INSTANTANEOUS OVERCURRENT 2 (read/write setpoints)
1650
2
Neutral Instantaneous Overcurrent 2 Function
---
---
F37
Disabled
1651
2
Neutral Instantaneous Overcurrent 2 Relays
---
---
F57
None
1652
2
Neutral Instantaneous Overcurrent 2 Pickup
0.05 to 20.00
x CT
F3
1.00 x CT
1653
2
Neutral Instantaneous Overcurrent 2 Delay
0.00 to 600.00
s
F3
0.00 s
1654
1
Neutral Instantaneous Overcurrent 2 Direction
---
---
F84
Disabled
NEUTRAL TIME OVERCURRENT 2 (read/write setpoints)
1660
1
Neutral Time Overcurrent 2 Function
---
---
F37
Disabled
1661
1
Neutral Time Overcurrent 2 Relays
---
---
F57
None
1662
1
Neutral Time Overcurrent 2 Curve
---
---
F36
Ext. Inverse
1663
1
Neutral Time Overcurrent 2 Pickup
0.05 to 20.00
x CT
F3
1.00 x CT
1664
1
Neutral Time Overcurrent 2 Multiplier
0.00 to 100.00
---
F3
1.00
1665
1
Neutral Time Overcurrent 2 Reset Time
---
---
F68
Instantaneous
1666
1
Neutral Time Overcurrent 2 Direction
---
---
F84
Disabled
NEUTRAL DIRECTIONAL OVERCURRENT (read/write setpoints)
1670
1
Neutral Directional Function
---
---
F38
Disabled
1671
1
Neutral Directional Maximum Torque Angle
0 to 359
°
F1
315°
1672
1
Minimum Polarizing Voltage
0.00 to 1.25
x VT
F3
0.05 x VT
1674
1
Neutral Directional Polarizing
---
---
F50
Voltage
1675
1
Neutral Directional Relays
---
---
F57
None
NEGATIVE SEQUENCE TIME OVERCURRENT (read/write setpoints)
1700
Negative Sequence Time Overcurrent Function
---
---
F37
Disabled
1701
Negative Sequence Time Overcurrent Relays
---
---
F57
None
1702
1
Negative Sequence Time Overcurrent Curve
---
---
F36
Ext. Inverse
1703
1
Negative Sequence Time Overcurrent Pickup
0.05 to 20.00
x CT
F3
1.00 x CT
1704
1
Negative Sequence Time Overcurrent Multiplier
0.00 to 100.00
---
F3
1.00
1705
1
Negative Sequence Time Overcurrent Reset Time
---
---
F68
Instantaneous
1706
1
Negative Sequence Time Overcurrent Direction
---
---
F84
Disabled
NEGATIVE SEQUENCE INSTANTANEOUS OVERCURRENT (read/write setpoints)
1710
Negative Sequence Inst Overcurrent Function
---
---
F37
Disabled
1711
Negative Sequence Instantaneous Overcurrent Relays
---
---
F57
None
1712
Negative Sequence Instantaneous Overcurrent Pickup
0.05 to 20.00
x CT
F3
1.00 x CT
1713
Negative Sequence Instantaneous Overcurrent Delay
0.00 to 600.00
s
F3
0.00 s
1714
1
Negative Sequence Instantaneous Overcurrent Direction
---
---
F84
Disabled
NEGATIVE SEQUENCE VOLTAGE (read/write setpoints)
1720
Negative Sequence Voltage Function
---
---
F39
Disabled
1721
Negative Sequence Voltage Relays
---
---
F57
None
1722
2
Negative Sequence Voltage Pickup
0.00 to 1.25
x VT
F3
0.10
Table 3: Modbus Memory Map (Sheet 26 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.