Siemens SIPROTEC4 7SJ61 - Measured Values; Metered Measurands

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