Siemens SENTRON VL Series

Data library
8.5 Function classes
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
179
8.5.3 Data points for detailed diagnostics of the SENTRON circuit breakers
The SENTRON circuit breakers provide a host of data for detailed diagnostics shown in the
table below:
Table 8- 3 Data points for detailed diagnostics of the SENTRON circuit breakers
Description Data
point
Source
WL
Source
VL
Format Length
(bits)
Scaling Contained
in DS.Byte
PROFIBUS write protection
(DPWriteEnable)
14 COM15 COM20 Format (14) 1 — DS69.11
Trip log of the last 5 tripping
operations with time
15 COM15 COM20 Format (15) 480 — DS51.0
Event log of the last 10 events with
time
16 COM15 — Format (16) 960 — DS51.60
DS92.42
Number of switching operations under
load
80 COM15 — unsigned int 16 0 DS91.0
Number of switching operations
caused by trips
81 COM15 COM20 unsigned int 16 0 DS91.2
Switching cycle counter (for switching
cycle on/off)
82 COM15 — unsigned int 16 0 DS91.4
Runtime meter (when On + current
> 0)
83 COM15 COM20 unsigned
long
32 0 DS91.6
Number of short-circuit releases (SI) 104 ETU COM20 unsigned int 16 0 DS91.18
Number of overload trips (L) 105 ETU COM20 unsigned int 16 0 DS91.20
Number of ground-fault tripping
operations (G)
106 ETU COM20 unsigned int 16 0 DS91.22
Total of deactivated I²t values L1, L2,
L3, N
107 ETU COM20 Format
(107)
128 0 DS91.24
Tripping operations by metering
function PLUS
307 Meter.
fct.
PLUS
— Format
(307)
16 — DS92.28
Threshold warnings 308 Meter.
fct.
PLUS
— Format
(308)
32 — DS92.30
Harmonics of current/voltage to the
29th
309 Meter.
fct.
PLUS
— Format
(309)
928 0 DS64.0
Order number of the trip unit 371 ETU — 18 x char 144 — DS97.126
Time until presumed overload trip 379 ETU — unsigned int 16 0 DS51.1
Last unacknowledged tripping
operation of the trip unit
401 ETU ETU Format
(401)
8 — DS92.26
Currently pending alarms 402 ETU ETU Format
(402)
16 — DS92.24
Current at the moment of shutdown 403 ETU ETU unsigned int 16 0(VL)/1 DS92.34
Phase at the moment of shutdown 404 ETU ETU Format
(373)
3 — DS92.36
Switch position at the digital input
module 1
111 DI1 — Format
(111)
8 — DS69.3