7
Connection Examples
EDBC250SIO | 2.0
89
Safety ratings for function two-hand operation
Highest safety integrity level to EN 62061:2010
SIL3
Highest safety integrity level to IEC 61508:2010
SIL3
Category and highest performance level to EN ISO 13849-
1:2015
Cat. 3/PL e
Hardware fault tolerance (HFT) of two-channel application
(IEC 61508:2010/EN)
1
(a fault of the application need not cause the safeguard
to fail)
CAUTION
Safety hazard due to wrong handling of the two-hand circuit
Comply with EN 574:2008 and other requirements and standards published
on two-hand circuits.
Switches/sensors, wiring and application must comply with EN 574:2008.