Festo — CMMT-ST-C8-1C-...-S0 — 2021-04b
Technical data
29
Ambient conditions, operation
Permissible setup alti-
tude above sea level
[m]
0
…
2000
Operation above 2000 m is not permitted!
Degree of protection
IP20
Use in a control cabinet with at least IP54, design as “closed
electrical operating area” in accordance with EN 61800-5-1,
Chap. 3.5
Protection class
III (safety extra-low voltage)
Overvoltage category
I
Contamination level
2
Vibration resistance in accord-
ance with
EN 61800-5-1 and EN 61800-2
Shock resistance in accordance
with
EN 61800-2
EMC in accordance with
EN 61800-5-2
Tab. 17: Ambient conditions, operation
Service life
Service life of the
device at rated load
[h]
25000
Dependent on the required current and the ambient tempera-
ture in compliance with the necessary mounting clearances and
derating, see Manual Assembly, Installation
Tab. 18: Service life
9.3
Technical data, electrical
9.3.1
Digital inputs and outputs [X1A]
Control inputs #STO-A and #STO-B at [X1A]
Nominal voltage
[V DC]
24 (relative to 0 V at X9)
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]
20
Max. input voltage, low
level (U
L max
)
[V]
5
