Messages for safety shutdown mat (cross-circuit principle)
The following table shows the messages with the associated byte arrangement in the element
data block of the "safety shutdown mat with cross-circuit principle" function element.
Byte posi‐
tion
Message Meaning Element status Cyclic data
6
0
Startup test required This message is set in a parameter‐
ized startup test on each restart and
each time the substitute value is
changed to a real value until the
connected sensor is actuated at
least once.
SVW SVW
6
1
... 6
2
Reserved=0
6
3
Safety sensor triggered The safety sensor has been actu‐
ated.
SVW SVW
6
4
... 6
7
Reserved=0
7
0
Wire break at input 1 A cross-circuit was detected at input
1.
Wiring error SF
7
1
Short circuit to P at input 1 A short-circuit to P was detected at
input 1.
Wiring error SF
7
2
... 7
3
Reserved=0
7
4
Wire break at input 2 A cross-circuit was detected at input
2.
Wiring error SF
7
5
Short circuit to P at input 2 A short-circuit to P was detected at
input 2.
Wiring error SF
7
6
... 7
7
Reserved=0
8
0
Start signal duration invalid Only with start type "Monitored
start":
The start signal time monitoring el‐
ement detected a violation.
‑ ‑
8
1
Start condition not fullled is set if:
• A sensor test was not executed
in the case of an active startup
test function
• The value "1" is not present si‐
multaneously at all available
(parameterized) function in‐
puts (IN1, ...)
• A cross-circuit is present
‑ ‑
8
2
... 8
7
Reserved=0
Diagnostics / service
7.6 Diagnosis using AS-Interface (CTT2 protocol)
SIRIUS 3RK3 Modular Safety System
320 Equipment Manual, 07/2020, NEB926253002000/RS-AC/006