Siemens SENTRON PAC1020 - Page 83

Appendix
A.1 Modbus
PAC1020
Equipment Manual, 05/2020, L1V30610008B-01
81
Table A- 3 Meaning of the abbreviations in the "Access" column of the table headed "Available measured variables" below
Abbreviation
Meaning
R
Read; read access
W
Write; write access
RW
Read Write; read and write access
Table A- 4 Available measured variables
Offset
Number of
registers
Name Format Unit Value range Access
1
2
voltage L1 - N
float
V
R
3
2
voltage L2 - N
float
V
R
5
2
voltage L3 - N
float
V
R
7
2
voltage L1 - L2
float
V
R
9
2
voltage L2 - L3
float
V
R
11
2
voltage L3 - L1
float
V
R
13
2
current L1
float
A
R
15
2
current L2
float
A
R
17
2
current L3
float
A
R
19
2
active power L1
float
W
R
21
2
active power L2
float
W
R
23
2
active power L3
float
W
R
25
2
reactive power L1 (Q1)
float
var
R
27
2
reactive power L2 (Q1)
float
var
R
29
2
reactive power L3 (Q1)
float
var
R
31
2
power factor L1
float
0 - 1
R
33
2
power factor L2
float
0 - 1
R
35
2
power factor L3
float
0 - 1
R
37
2
neutral current
float
A
R
39
2
frequency
float
Hz
45 - 65
R
41
2
collective active power
float
W
R
43
2
collective reactive power (Q1)
float
var
R
45
2
collective power factor
float
R
47
2
max. voltage L1 - N
float
V
R
49
2
max. voltage L2 - N
float
V
R
51
2
max. voltage L3 - N
float
V
R
53
2
max. voltage L1-L2
float
V
R
55
2
max. voltage L2-L3
float
V
R
57
2
max. voltage L3-L1
float
V
R
59
2
max. current L1
float
A
R
61
2
max. current L2
float
A
R
63
2
max. current L3
float
A
R
65
2
max. active power L1
float
W
R
67
2
max. active power L2
float
W
R
69
2
max. active power L3
float
W
R