SICK T4000 Serie Instrucciones De Servicio página 170

7
Chapter
Fig. 10: System
times for a single
T40-E01 safety
switch
170
© SICK AG • Industrial Safety Systems • Germany • Subject to change without notice • 8012206/UC32/2010-11-15
Technical data
Time difference:
The safety outputs OA and OB switch with a slight time
offset. They will have the same signal state after a time
difference of 10 ms at the latest.
!
"
t
0
t
off
Removal of the actuator

No signal IA/IB

Different input state on IA/IB

Short-circuit or cross-circuit on OA/OB

or internal fault
t
off
t
0
t = t +300 ms
off 0
t = t +290 ms
off 0
= t +150 ms
0
Operating Instructions
T4000 Direct Unicode
= Safety output active
= Time at which switch off occurs
= Time at which fault/event occurs
t (ms )