■
The equivalent T-network must have a diagnosis with a diagnostic coverage
of at least 99%.
■
The following formula must be met:
MTTF
d
(Equivalent t-network) = MTTF
d
(safeCAP) * 30 / ( MTTF
d
(safeCAP)
- 30).
Exception: MTTF
d
(safeCAP) = 100;
This data is indicated to achieve performance level e. All other requirements
for two-hand controls must be met in accordance with the standard
ISO 13851:2019.
+24V
0V
Rückführ
-
kreis
A
B
Safecap
Safecap
Feedback circuit
SC30
SC30
The safety function depicted corresponds to the start/restart function in
accordance with Chapter 5.4.3 of ISO 13849-1 [1] (see also ISO 13849-1 Table
8).
5.10 Testing the safety function of the SC30
To ensure the safety function of the SC30, test the safety function as follows.
■
During initial start-up
■
Once the testing interval has expired
■
After maintenance and repairs
Record the results.
safeCAP SC30
Original operating
instructions
1.1
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