1–130
345 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
MODBUS MEMORY MAP
CHAPTER 1: COMMUNICATIONS GUIDE
F25
unsigned 16 bits
Trace Memory Channel Data
0
Leading
1
Lagging
F26B
unsigned 16 bits
Trace Memory Channel Data
0
W2 Ia
1
W2 Ib
2
W2 Ic
3
W2 Ig
6
W1 Ia
7
W1 Ib
8
W1 Ic
9
W1 Ig
10
Inputs 1-16
11
Outputs 1-16
12
Virtual Inputs1-16
13
Virtual Inputs7-32
14
Remote INs 1-16
15
Remote INs 17-32
16
Logic Elements
F36
unsigned 16 bits
OC Curve Selection
0
Extremely Inverse
1
Very Inverse
2
Normally Inverse
3
Moderately Inverse
4
Definite Time
5
IEC Curve A
6
IEC Curve B
7
IEC Curve C
10
IAC Extr. Inverse
11
IAC Very Inverse
12
IAC Inverse
13
IAC Short Inverse
14
IEC Short Inverse
F68
unsigned 16 bits
Reset Time Model
0
Instantaneous
1
Linear
F78
unsigned 16 bits
DNP Object 20 Default Variation
1
Variation One
2
Variation Two
5
Variation Five
6
Variation Six
F79
unsigned 16 bits
DNP Object 21 Default Variation
1
Variation One
2
Variation Two
9
Variation Nine
10
Variation Ten
Code
Type
Definition