49
item Controller BL 1-04 /C
― Product manual
1
1
t
t
t
t
t
t
t
t
STOB
STOA
t
STOA/B OFF
t
DRV
t
DCRP
t
DRV
t
STOA/B ON
t
ENAB LO
t
ENAB HI
t
F
t
STOA/B OFF
on
on
driver supply
+5V_US
driver supply
+5V_OS
„H“ wird angezeigt
holding brake
(optional)
Ext. drive enable
velocity
off
off
off
off
„Safe Torque Off“ (STO) active
on
„H“ is displayed
Figure 18: 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/B OFF
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 48)
Maximum response time 5 ms
t
STOA/B ON
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
ENAB LO
Time that the servo drive enable signal (DIN5
or bus enable signal) must be low before
STOA/B will be activated
0
t
ENAB HI
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
