Checking mechanical ambient conditions
The following table provides information on the type and scope of checks regarding mechanical
ambient conditions.
Table 12-13 Checking mechanical ambient conditions
Tests for ... Test standard Remark
Vibrations Vibration test to
IEC 60068‑2‑6 (sine)
Type of vibration: Frequency sweeps with a rate of change of 1 octave/minute.
● 5 Hz ≤ f ≤ 8.4 Hz, constant amplitude 3.5 mm
● 8.4 Hz ≤ f ≤ 150 Hz, constant acceleration 9.8 m/s2
Period of oscilla‐
tion:
10 frequency sweeps per axis in each of the 3 axis which are
vertical to each other.
Shock Shock, tested to
IEC 60068‑2‑27
Type of shock:
● half-sine
Strength of shock:
● Peak value 150 m/s
2
● Duration 11 ms
Direction of the
shock:
● 3 shocks each in +/– direction in each of the 3 axes that
are vertical to each other
Climatic ambient conditions
The described components can be used in the following climatic ambient conditions:
Table 12-14 Climatic ambient conditions
Ambient condi‐
tions
Permitted range Remarks
Temperature of
the CFU PA
(without hous‐
ing)
From -40 °C to 70 °C
Mounting requirement Ambient temperature of
the CFU
Permissible load
current
Horizontal installation > 60 °C to <= 70 °C
1)
Max. 1 A
- 40 °C to <= 60 °C
1)
Max. 2 A
Vertical installation;
Slot X2 must be at the top.
- 40 °C to <= 60 °C
1)
Max. 2 A
Temperature of
the CFU DIQ
(without hous‐
ing)
From -40 °C to 70 °C
Mounting requirement Ambient temperature of
the CFU
Permissible load
current
Horizontal installation > 60 °C to <= 70 °C
1)
Max. 4 A
- 40 °C to <= 60 °C
1)
Max. 5 A
Vertical installation;
Slot X13 must be at the top
- 40 °C to <= 60 °C
1)
Max. 5 A
CFU PA in hous‐
ing, also SIMAT‐
IC CFU PA in
aluminum hous‐
ing
From -40 °C to 60 °C
Mounting requirement Ambient temperature of
the CFU
Permissible load
current
Horizontal installation > 50 °C to <= 60 °C
1)
Max. 1 A
- 40 °C to <= 50 °C
1)
Max. 2 A
Vertical installation;
Slot X2 must be at the top.
- 40 °C to <= 50 °C
1)
Max. 2 A
Technical specifications
12.1 General technical specifications
SIMATIC CFU
162 Commissioning Manual, 08/2019, A5E39252870-AD
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