Festo — CMMT-AS-...-S1 — 2021-04d
Product overview
11
STO timing
Fig. 4: STO timing diagram
Legend for STO timing
Term/abbreviation
Explanation
#STO-A/#STO-B
2-channel input for STO request
#STO-HS/#STO-LS
Internal triggering, pulse-width modulation driver high side/low side
t
STO,TP
Length, low test pulses
1)
at #STO-A/B
t
STO,In
Max. delay until STO switches off (≤ permissible reaction time when a safety
sub-function is requested
1)
)
STA
Feedback, STO active
