Standard mapping 2-4
7SJ61...7SJ63, 7SJ65, 6MD63 PROFIBUS-DP – Bus mapping
C53000-L1840-B006-02
5-15
5.2.2 Measured
values
•
Ref. to chap. 1.3.2 for additional notes regarding scaling of measured values.
Offset
Designation of the
SIPROTEC objects
Comments
Scaling
(32767 corresponds to ...)
Internal
object no.
4
Va-b =
Va-b
32.767 kV
624
6
Ia =
Ia
3276.7 A
601
8
Ib =
Ib
3276.7 A
602
10
Ic =
Ic
3276.7 A
603
12
INs Reac =
Reactive ground current in isol.
systems
3276.7 A
702
14
P =
P (active power)
32.767 MW
641
16
Q =
Q (reactive power)
32.767 MVAR
642
18
PF =
Power Factor
3.2767
901
5.2.3 Metered
measurands
•
Ref. to chap. 1.3.3 for additional notes regarding scaling of metered measurands.
Offset
Designation of the
SIPROTEC objects
Comments
Scaling
(2
31
-1 of the unsigned long-
value corresponds to ...)
Internal
object no.
20
WpForward=
Wp Forward (
metered measurand
derived from measured value
)
2
31
- 1 impulses
924
24
WqForward=
Wq Forward (
metered measurand
derived from measured value
)
2
31
-1 impulses
925