Fig.: Single-channel switching output Q1_PP with dual-channel external circuit as combination
of electro-mechanical element and hydraulic/pneumatic valve and monitoring at two inputs
Safety note:
• Only conditionally recommended for safety applications! In this context see also the notes
in EN ISO 13849-1 concerning the application and the required fault exclusions.
• For PL c and higher a message/warning feature is required, which informs the operator
immediately about a dangerous situation
• For higher requirements you must make sure that at least 1 switching operation must take
place every 24 hours, in order to test the switching ability of the external power contactor.
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