Safety Regulations
2-4 Installation Manual: PSS 3056 Series
~
=
PSS 3056 series
L1
N
+24 V
0 V
External power supply
24 V
0 V
Functional earth
Connect in star to the central
earth point
Connect to the 0 V mains
and earth at a single point
Supply terminals
on the inputs/outputs
Installation
• The system should be installed in an enclosure (e.g. control cabinet)
which conforms to the protection class required.
• When installing the unit in an enclosure such as a control cabinet, the
technical specifications below must be taken into account:
Protection type (EN 60 529, 10/91) IP 20
Protection class (DIN VDE 0106,
Part 1/A1, 04/90) 1
Mounting position Vertical
Ambient temperature (DIN IEC 68-2-14, 06/87) 0 ... 60 °C
Storage temperature (EN 60 068-2-1/-2, 03/93) -25 ... +70 °C
Relative humidity
(DIN IEC 68-2-30, 09/86) Max. 95 % r.h.
Condensation Not permitted
Vibration (EN 60 068-2-6, 04/95) Frequency range:
10 ... 100 Hz
Amplitude:
0.1 mm, max. 5g
Shock (DIN IEC 68-2-29) 30g, 11 ms/10g, 16 ms
EMC EN 50 082-2, 03/95
EN 55 011 A, 08/96
Fig. 2-2: Connecting the power supply to the I/Os
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