162
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – COMMUNICATIONS GUIDE
MODBUS MEMORY MAP
CHAPTER 2: MODBUS COMMUNICATION
F100: VT connection type (16-bit enumeration)
F102: Enabled/disabled choice (16-bit enumeration)
This format code indicates the enabled or disabled value for relevant registers.
F103: Curve shapes (16-bit enumeration)
F104: Reset type (16-bit enumeration)
This format code indicates if reset is immediate or timed.
F106: Phase rotation (16-bit enumeration)
This format code indicates power system phase rotation.
Enumeration Value
0
Wye
1
Delta
Enumeration Value
0
Disabled
1
Enabled
Enumeration Value
0
IEEE Mod Inv
1
IEEE Very Inv
2
IEEE Ext Inv
3
IEC Curve A
4
IEC Curve B
5
IEC Curve C
6
IEC Short Inv
7
IAC Ext Inv
8
IAC Very Inv
9
IAC Inv
10
IAC Short Inv
11
I Squared t
12
Definite Time
13
FlexCurve A
14
FlexCurve B
15
FlexCurve C
16
FlexCurve D
Enumeration Value
0
Instantaneous
1
Timed
Enumeration Value
0
ABC
1
ACB
