GE D90 Plus Communications Manual page 166

MODBUS MEMORY MAP
162
F100: VT connection type (16-bit enumeration)
Enumeration Value
0 Wye
1 Delta
F102: Enabled/disabled choice (16-bit enumeration)
This format code indicates the enabled or disabled value for relevant registers.
Enumeration Value
0 Disabled
1 Enabled
F103: Curve shapes (16-bit enumeration)
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
F104: Reset type (16-bit enumeration)
This format code indicates if reset is immediate or timed.
Enumeration Value
0 Instantaneous
1 Timed
F106: Phase rotation (16-bit enumeration)
This format code indicates power system phase rotation.
Enumeration Value
0 ABC
1 ACB
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – COMMUNICATIONS GUIDE
CHAPTER 2: MODBUS COMMUNICATION