52
Festo — CMMT-ST-C8-1C-...-S0 — 2021-04b
Technical data
Diagnostic contact STA at [X1A]
Voltage range
[V DC]
18 … 30
Max. current
[mA]
100 (not short-circuit proof)
Max. internal resist-
ance
[Ω]
< 6
Off-state current (con-
tact open)
[µA]
< 2
Closing reaction time
t
STA,Rise
[ms]
.
80 (typ. 20)
Opening reaction time
t
STA,Fall
[ms]
≤ 50 (typ. 30)
Galvanic isolation
Via optocoupler
Protective functions
Overvoltage-resistant up to 60 V DC
Tab. 73: Diagnostic contact STA-C1/C2 at [X1A]
Digital inputs without safety inputs at [X1A]
Specification
Based on type 3 to EN 61131-2; deviating current consumption
Nominal voltage
[V DC]
24
Permissible voltage
range
[V DC]
−3
…
30
Min. input current in
transition range (I
T min
)
[mA]
1.5
Logic
PNP
NPN
Max. input voltage
(U
H max
), high level
[V]
30
5
Min. input voltage
(U
H min
), high level
[V]
Typically 11
max. 13
Typically 0
Max. input voltage
(U
L max
), low level
[V]
5
30
Min. input voltage
(U
L min
), low level
[V]
–3
11
Max. input current
(I
H max
) with high level
[mA]
15
–4
Min. input current
(I
H min
) with high level
[mA]
5
–10
Max. input current
(I
L max
) with low level
[mA]
15
3.43
