Protection And Monitoring; Mtbf; Mechanical System - Siemens SITOP Manual

6.4

Protection and monitoring

6EP1961-2BA00
Device/cable pro- Flat fuse for each
tection output (when sup-
plied, equipped
with a 15 A fuse)
Operating display One LED per
output: Green LED
for "Output
switched through",
red LED for "Out-
put shutdown due
to overcurrent"
Signaling Group signaling
contact (NO con-
tact, contact rating
0.5 A/24 V)
6.5

MTBF

Mean Time Between Failures
6.6

Mechanical system

Connection system
+24 V input
0 V connection
Output 1, 2, 3, 4
Selectivity modules
Manual, 01.2017, C98130-A7579-A1-2-7629
6EP1961-2BA11
6EP1961-2BA51
Internal fuse 5 A
for each output
(not accessible)
One LED per output: Green LED for "Output switched through", orange LED for
"Output manually switched off", red LED for "Output shutdown due to overcur-
rent".
Group signaling contact (changeover
contact, contact rating 0.1 A/24 V)
6EP1961-2BA00
6EP1961-2BA11
6EP1961-2BA21
> 500,000 hours at 40 °C, rated load, 24 hour operation
6EP1961-2BA00
Screw connection
2 screw terminals for
0.5 - 16 mm²
2 screw terminals for
0.2 - 6 (4) mm² solid (finely
stranded)
One screw-type terminal for
each output for 0.2 - 6 (4)
mm² solid (finely stranded)
6EP1961-2BA21 6EP1961-2BA31
6EP1961-2BA61
Internal fuse 15 A Internal fuse 5 A
for each output for each output
(not accessible) (not accessible)
Status signal output (pulse position
signal that can be evaluated using a
Simatic function block)
6EP1961-2BA31
6EP1961-2BA41
6EP1961-2BA11
6EP1961-2BA21
6EP1961-2BA51
Screw connection
2 screw terminals for
0.5 - 16 mm²
2 screw terminals for
0.2 - 6 (4) mm² solid (finely
stranded)
One screw-type terminal for
each output for 0.2 - 6 (4)
mm² solid (finely stranded)
Technical data
6.4 Protection and monitoring
6EP1961-2BA41
Internal fuse 15 A
for each output
(not accessible)
6EP1961-2BA51
6EP1961-2BA61
6EP1961-2BA31
6EP1961-2BA41
6EP1961-2BA61
Screw connection
2 screw terminals for
0.5 - 16 mm²
2 screw terminals for
0.2 - 6 (4) mm² solid (finely
stranded)
One screw-type terminal for
each output for 0.2 - 6 (4)
mm² solid (finely stranded)
51