A Technical Appendix; Technical Data; Safety Engineering - Festo CMMS-AS G2-STO Series Manual

A Technical appendix
A Technical appendix
A.1

Technical data

A.1.1

Safety engineering

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