
Fig. 16 Operating ranges of digital inputs drawing current
Control inputs #STO-A and #STO-B at [X1A]
Specification
Based on type 3 to EN 61131-2; deviating current consumption
Nominal voltage
[V DC]
24
Permissible voltage
range
1)
[V DC]
–
3
…
30
Max. input voltage
high-level (U
H max
)
[V]
28.8
Min. input voltage
high-level (U
H min
)
[V]
17
Max. input voltage low-
level (U
L max
)
[V]
5
Min. input voltage low-
level (U
L min
)
[V]
–
3
Max. input current with
high-level (I
H max
)
[mA]
75
Min. input current with
high-level (I
H min
)
[mA]
50
Technical data
39
Festo — CMMT-AS-...-S1 — 2018-02