Appendix
A.1 Measured variables
SENTRON PAC3100
Manual, 07/2009, A5E02385159B-01
123
Name Abbrev.
DE + IEC
Abbrev.
EN + NAFTA
Unit Display
Minimum line frequency f
min
f
min
Hz 10.2
Minimum value of the line frequency
Active energy E
a
Wh Wh 11.0
Active energy, imported, exported or balance
Reactive energy E
r
VARh varh 11.0
Reactive energy, imported, exported or balance
PMD diagnostics and status –
Information on the PMD status, messages, and configuration changes
Digital outputs status 24.0
Status of the digital outputs of the PMD
Digital inputs status 24.0
Status of the digital inputs of the PMD
Relevant parameter changes counter –
Number of changes to the default settings
Counter all parameter changes –
Parameter: Number of changes to the settings
Table A- 1 Load profile
Name Abbrev.
DE + IEC
Abbrev.
EN + NAFTA
Unit Display
Cumulated active power import P
cum-dmd imp
W
cum-dmd imp
W –
Cumulated active power imported in the last period
Cumulated reactive power import Q
cum-dmd imp
VAR
cum-dmd imp
var –
Cumulated reactive power imported in the last period
Cumulated active power export P
cum-dmd exp
W
cum-dmd exp
W –
Cumulated active power delivered in the last period
Cumulated reactive power export Q
cum-dmd exp
VAR
cum-dmd exp
var –
Cumulated reactive power exported in the last period
Max. active power in last period P
intv max
W
interval max
W –
Maximum instantaneous value of the active power in the last period
Min. active power in last period P
intv min
W
interval min
W –
Minimum instantaneous value of the active power in the last period
Max. reactive power in last period Q
intv max
VAR
interval max
var –
Maximum instantaneous value of the reactive power in the last period
Min. reactive power in last period Q
intv min
VAR
interval min
var –
Minimum instantaneous value of the reactive power in the last period
Length of last period s –
Actual length of the last completed demand period
Time since last period s –
Time since the end of the last completed demand period
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