Siemens SENTRON VL Series

Data library
8.6 Data sets
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
217
8.6.10 Data set DS 74 min. and max. measured values of the powers
The table below shows the content of data set 74 in which the minimum and maximum
measured values of the powers are transmitted. It also contains the associated time stamps
for these minimum and maximum measured values.
Table 8- 23 Content of data set 74
Byte Description Data
point
Source
WL
Source
VL
Format Length
(bits)
Scaling
0 Minimum of the mean value of the power
factor
242 Meter. fct. — signed int 16 – 3
2 Maximum of the mean value of the power
factor
243 Meter. fct. — signed int 16 – 3
4 Minimum of the mean value of the apparent
power
246 Meter. fct. — unsigned
int
16 0
6 Maximum of the mean value of the apparent
power
247 Meter. fct. — unsigned
int
16 0
8 Minimum of the mean value of the active
power
250 Meter. fct. — signed int 16 0
10 Maximum of the mean value of the active
power
251 Meter. fct. — signed int 16 0
12 Minimum of the mean value of the reactive
power
248 Meter. fct. — signed int 16 0
14 Maximum of the mean value of the reactive
power
249 Meter. fct. — signed int 16 0
16 TS minimum of the mean value of the
apparent power
57 COM15 — Time 64 —
24 TS maximum of the mean value of the
apparent power
58 COM15 — Time 64 —
32 TS minimum of the mean value of the active
power
49 COM15 — Time 64 —
40 TS maximum of the mean value of the active
power
50 COM15 — Time 64 —
48 TS minimum of the mean value of the reactive
power
51 COM15 — Time 64 —
56 TS maximum of the mean value of the
reactive power
52 COM15 — Time 64 —
64 TS min. of the mean value of the power factor 53 COM15 — Time 64 —
72 TS max. of the mean value of the power
factor
54 COM15 — Time 64 —
80 Reserved — — — — 320 —
120 Property byte for byte 0 (minimum mean
value of the power factor)
— Meter. fct. — PB 8 —
121 Property byte for byte 2 (maximum mean
value of the power factor)
— Meter. fct. — PB 8 —
122 Property byte for byte 4 (minimum mean
value of the apparent power)
— Meter. fct. — PB 8 —