Festo CMMT-AS-C2-11A-P3, Manual, Page: 31 / 44

9 Technical data
9.1 Technical data, safety equipment
General safety reference data
Request rate in accord-
ance with EN 61508 High request rate
Reaction time when
requesting the safety
function [ms]
<
10 (applies for STO and SBC)
Error reaction time
(correct status of the
diagnostic output start-
ing with request of the
safety function) [ms]
<
20 (applies for STA and SBA)
Tab. 14 Safety reference data and safety specifications
Safety reference data of the STO safety function
Wiring Without high test
impulses, without or
with STA evaluation With high test
impulses and with
STA evaluation
1)
With high test
impulses and
without STA evalu-
ation
Safety function in
accordance with
EN 61800-5-2 Safe torque off (STO)
Safety integrity level in
accordance with
EN 61508 SIL 3 SIL 3 SIL 2
SIL pick-up threshold
for a partial system in
accordance with
EN 62061 SIL CL 3 SIL CL 3 SIL CL 2
Category in accordance
with EN ISO 13849-1 Cat. 4 Cat. 4 Cat. 3
Performance level in
accordance with
EN ISO 13849-1 PL e PL e PL d
Technical data
31 Festo — CMMT-AS-...-S1 — 2018-02