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