Festo CMTT-AS S1 Series, Description, Page: 11 / 46

Timing of STO
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, PWM driver high side/low side
t
STO,TP
Length, low test pulses
1)
at #STO-A/B
t
STO,In
Max. delay until STO shutdown is performed (≤ permissible reaction time
when a safety sub-function is requested
1)
)
Product overview
11 Festo — CMMT-AS-...-S1 — 2018-10a