Siemens SIRIUS 3RK3 Equipment Manual page 320

Diagnostics / service
7.6 Diagnosis using AS-Interface (CTT2 protocol)
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‐ Message
tion
6 Startup test required
0
6 ... 6 Reserved=0
1 2
6 Safety sensor triggered
3
6 ... 6 Reserved=0
4 7
7 Wire break at input 1
0
7 Short circuit to P at input 1
1
7 2 ... 7 3 Reserved=0
7 Wire break at input 2
4
7 Short circuit to P at input 2
5
7 ... 7 Reserved=0
6 7
8 Start signal duration invalid
0
8 1 Start condition not fulfilled
8 ... 8 Reserved=0
2 7
320
Meaning
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.
The safety sensor has been actu‐
ated.
A cross-circuit was detected at input
1.
A short-circuit to P was detected at
input 1.
A cross-circuit was detected at input
2.
A short-circuit to P was detected at
input 2.
Only with start type "Monitored
start":
The start signal time monitoring el‐
ement detected a violation.
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
Element status
SVW
SVW
Wiring error
Wiring error
Wiring error
Wiring error
‑
‑
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006
Cyclic data
SVW
SVW
SF
SF
SF
SF
‑
‑