CHAPTER 2: MODBUS COMMUNICATION
MODBUS MEMORY MAP
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – COMMUNICATIONS GUIDE
167
F120: Distance shape (16-bit enumeration)
F122: Element input signal type (16-bit enumeration)
F123: CT secondary (16-bit enumeration)
F124: List of elements (16-bit enumeration)
This format code identifies the protection and control elements within the F502 bitfield.
102
11.50
103
12.00
104
12.50
105
13.00
106
13.50
107
14.00
108
14.50
109
15.00
110
15.50
111
16.00
112
16.50
113
17.00
114
17.50
115
18.00
116
18.50
117
19.00
118
19.50
119
20.00
Enumeration Value
0
Mho
1
Quad
Enumeration Value
0
Phasor
1
RMS
Enumeration Value
0
1 A
1
5 A
Enumeration Element
0
Phase instantaneous overcurrent 1
1
Phase instantaneous overcurrent 2
2
Phase instantaneous overcurrent 3
3
Phase instantaneous overcurrent 4
16
Phase time overcurrent 1
17
Phase time overcurrent 2
18
Phase time overcurrent 3
19
Phase time overcurrent 4
24
Phase directional overcurrent 1
Enumeration Value
