A
Technical appendix
36
Festo – GDCP-CMMS-AS-G2-S1-EN – 1306NH – English
A
Technical appendix
A.1
Technical data
A.1.1
Safety engineering
Safety data
Safety function
STO
Safe restart interlock (STO, Safe Torque Off ) in accordance
with EN ISO 13849-1
Category
3
Grading in categories in accordance with EN ISO 13849-1
Performance level
PL d
Performance level in accordance with EN ISO 13849-1
T
[Years]
20
Proof test interval
Operating life in accordance with EN ISO 13849-1
Maximum proof test interval; depending on switching
frequency, considerably shorter proof test intervals may be
required. Please take into account the maximum service life
of the relay contact
Tab. A.6.
MTTFd
[Years]
528
Mean time to dangerous failure.
Tab. A.1
Technical data: safety data
Due to the service life of the internal switching relay (
Tab. A.6), the safety data for the
STO function apply for an annual actuation rate of:
–
Rev. 01: n
op
=
5000 / a
–
Rev. 02: n
op
= 500000 / a
Safety information
Type test
The functional safety engineering of the product has been
certified by an independent testing authority in accordance
with Section 1.1.4, see certificate
www.festo.com
Certificate issuing authority
MFS 09030
Proven component
yes, for the STO safety function
Tab. A.2
Technical data: safety information