Festo — CMMT-AS-...-S1 — 2021-04d
Product overview
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Functional principle of STO
Fig. 2: Functional principle of STO
1
2
3
Fig. 3: Power stage with power transistors
1 High-side power stage
2 Low-side power stage
3 DC link voltage
STO request
The safety sub-function STO is requested on 2 channels by simultaneously switching off the control
voltage at both control inputs #STO-A and #STO-B.
