Siemens SIPROTEC 7SS523 V3.2 Manual page 196

Distributed busbar/ breaker failure protection
Table of Contents

Advertisement

Functions
T-POST
T-BINARY IN
T-KEYBOARD
5.13.3 Settings of the Bay Unit
Addr.
Parameters
7402
INITIATION
7410
T-MAX
7411
T-PRE
7412
T-POST
7431
T-BINARY IN
7432
T-KEYBOARD
180
terion for fault record storage is fulfilled. The storage criterion is selected with the pa-
rameter INITIATION
The parameter T-POST
fault recording. The post-fault time begins as soon as the stop criterion for fault record
storage is fulfilled.
The parameter T-BINARY IN
recording is initiated via a binary input. The total storage time is the sum of this param-
eter plus the pre-trigger and the post-fault time. With this parameter set to infinite, the
fault recording runs for as long as the binary input is energized. It cannot, however,
run for longer than the maximum storage time. To set the parameter to infinite, incre-
ment the value for this parameter with the arrow keys until the symbol "
The parameter T-KEYBOARD
cording is initiated from the membrane keyboard on the operator panel.
Setting Options
STORAGE BY FD.
STORAGE BY TRIP
START WITH TRIP
0.30 .. 5.00 s
0.05 .. 0.50 s
0.05 .. 0.50 s
0.10 . .5.00 s
infinite
0.10 .. 5.00 s
7402/BU
(
).
7412/BU
is used to set the post-fault time for stopping the
(
)
7431/BU
is used to set the storage time when fault
(
)
7432/BU
is used to set the storage time when fault re-
(
)
Default Settings
STORAGE BY
TRIP
2.00 s
0.20 s
0.20 s
0.40 s
0.40 s
" appears.
Comments
Start/storage criterion for fault
recording
Maximum time period available
for one fault record
Pre-trigger time for fault record-
ing
Post-fault time for stopping the
fault recording after the fault cri-
terion disappears
Storage time when fault record-
ing is initiated via a binary input
Storage time when fault record-
ing is initiated via the membrane
keyboard
7SS52 V4 Manual
C53000-G1176-C182-1

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents