Host Application Objects 165 (258)
The table below describes how the generic values for the different variable categories are represented on
PROFINET.
Attr # Variable category Unit Comments
1-9 Voltage V RMS value
Absolute value
10-12 Current A RMS value
Positive values indicate consumed current; negative values indicate gener-
ated current.
13-15 Apparent Power VA Positive values indicate consumed apparent power; negative values indicate
generated apparent power.
16-18 Active Power W Positive values indicate consumed active power; negative values indicate
generated active power.
19-21 Reactive Power VAR Positive values indicates inductive reactive power; negative values indicates
capacitive reactive power.
22-24 Power factor Range:-1.0 to 1.0. Positive values indicate leading power factor; negative val-
ues indicate lagging power factor.
25-27 Frequency Hz Absolute value
28 Field Rotation 0: no rotation recognized (not supported)
1: Clock-wise
-1: Counter clock-wise
29 Total Active energy Wh For the Import- and Export variables an absolute value is used.For the Sum
variable a positive value indicates consumed energy; a negative value indi-
cates generated energy.
30 Total Reactive
energy
VARh For the Consumed and Generated variables an absolute value is used. For
the Sum variable a positive value indicates consumed reactive energy (induc-
tive load); a negative value indicates generated reactive energy (capacitive
load).
31 Total Apparent
energy
VAh Absolute value
Anybus
®
CompactCom
™
40 PROFINET IRT Network Guide SCM-1202-023 EN 1.8