12 Technical data
12.11.2.2 Time response of the SS1 activation during operation with a
restart
The time response is based on the SS1 example circuit in section 8.6.2 Deceleration and
safe torque switch off(SS1, "Safe Stop 1") on page 202.
Figure 131: Time response during the activation of the SS1 safety function (external
switching) with a restart
Time Description Value
t
K1
Delay between the switching of S1 and the
closing of the undelayed contact K1
See the data sheet of the
safety relay
t
K1_delay
Delay between S1 and the opening of the off-
delayed contacts K1
Can be adjusted on the
safety relay
t
STOA/BOFF
STOA/B – switching time from high to low
(See also section Response time until power
output stage inactive and maximum OSSD test
pulse duration on page 231
Maximum response time
5 ms
t
STOA/BON
STOA/B – switching time from high to low 0.6 ms typ., 1 ms max.
Product manual BL 4000-C Page 233 of 298
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