Metronix smartServo BL 4000-C Series - Page 232

12 Technical data
Figure 130: Time response of the activation of the STO safety function with a restart
Time Description Value
t
DCRP
Maximum permissible discrepancy time without
the servo drive issuing an error
100 ms
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 1)
Maximum response
time 5 ms
t
STOA/BON
STOA/B switching time from low to high 0.6 ms typ., 1 ms max.
t
DRV
Delay of the internal sequence control of the servo
drive
10 ms max.
t
ENABLO
Time that the servo drive enable signal (DIN5 or
bus enable signal) must be low before STOA/B
will be activated
0
t
ENABHI
Time that the servo drive enable signal (DIN5 or
bus enable signal) must be low after STOA/B has
been reactivated and the status of the STO circuit
has changed
> 20 ms
t
F
Switch-on delay of the holding brake See section 7.10 Brake
control and automatic
brake on page 182.
Product manual BL 4000-C Page 232 of 298