Siemens SENTRON VL Series

Data library
8.6 Data sets
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
203
8.6.4 Data set DS 52 main overview 1
The table below contains the data sets DS52: Main overview 1 (length 16 bytes, read-only):
Table 8- 17 Content of data set 52
Byte Description Data
point
Source
WL
Source
VL
Format Length
(bits)
Scaling
0 Current value phase 1 380 — ETU unsigned
int
16 0
2 Current value phase 2 381 — ETU unsigned
int
16 0
4 Current value phase 3 382 — ETU unsigned
int
16 0
6 Present maximum current of the phase with
maximum load
374 — ETU unsigned
int
16 0
8 Current value N conductor (trip unit) 375 — ETU unsigned
int
16 0
10 Current value ground fault (trip unit) 376 — ETU unsigned
int
16 0
12 Warnings and setpoints in the communication
module
402 — ETU Format
(402)
16 —
14 Current at the moment of shutdown 403 — ETU unsigned
int
16 0
16 Phase at the moment of shutdown 404 — ETU Format
(373)
8 —
17 Reserved — — — unsigned
char
16 —
19 Switches and indicates the current parameter
set
370 — ETU Format
(370)
1 —
20 Reserved — — — unsigned
char
16 —
22 Status of the circuit breaker 328 — ETU Format
(328)
8 —
23 Tripping operations, basic protection function,
last trip
401 — ETU Format
(401)
8 —
24 Number of the phase with maximum load 373 — ETU Format
(373)
3 —
25 Position of circuit breaker 24 — ETU Format
(24)
4 —
26 Mean value of all phases 383 — ETU unsigned
int
16 0
28 Long-time mean value of 3-phase current 193 — ETU unsigned
int
16 0
30 Phase unbalance current in % 172 — ETU unsigned
char
8 0
31 Maximum phase unbalance current in % 437 — ETU unsigned
char
8 0