System State Table; Explanation Of Symbols - SICK T4000 Serie Instrucciones De Servicio

6
Chapter
Tab. 5: System
state table
Self testing
Normal operation
Ready for teach-in
Commissioning
Error indication
166
© SICK AG • Industrial Safety Systems • Germany • Subject to change without notice • 8012206/UC32/2010-11-15
Commissioning and operation
6.6

System state table

x Off
Closed On
1)
Closed On
1)
Closed Off
Open Off
Open Off
Open Off
Closed Off
x Off
x Off
x Off
x Off
Closed Off
x Off
x Off
x Off

Explanation of symbols:

LED off LED illuminated
1)
Available as of date of manufacture 1037 (see 1.4 "Scope")
LED indicator
15 Hz

(10 s)
 
1,5 Hz


(LED approx.

2 s on /0,3 s
off)
1 x

2 x

3 x, cyclic

1 Hz

 
 
1 x

2 x

3 x

4 x

5 x

x x
LED flashing
Operating Instructions
T4000 Direct Unicode
State
Self-test after application of the
supply of power
Normal operation, guard closed
Normal operation, protective
device closed, actuator in limit
area, e.g. adjusting door
Normal operation, protective
device closed, safety outputs from
previous T4000 Direct switch are
off
Normal operation, guard open
Normal operation, guard open, no
actuator taught-in
Guard open, read head is ready to
teach-in actuator
Teach-in process
Positive acknowledgement after
successful teach-in process
Internal error
Teach-in process unsuccessful
Input fault, e.g. no test pulse,
illogical output state
Incorrect or defective actuator
Output fault, e.g. cross-circuit or
loss of switching function
Internal error
Internal fault with malfunction on
the guard
X Any