Siemens SIMOTION P320-3, Manual

Page: 96 / 150

Connecting
6.4 Connecting the 24 V DC power supply
SIMOTION P320-3 and Panel Fronts
96
Manual, 02/2012
6.4 Connecting the 24 V DC power supply
To be noted before you connect the device
Note the following in order to operate the device safely and according to regulation:
WARNING
The device should only be connected to a 24 VDC power supply which satisfies the
requirements of safe extra low voltage (SELV).
If the device is used on a wall, in an open rack or other similar locations, an NEC Class 2
current source is required in order to meet the UL requirements (UL 60950-1). In all other
cases (IEC / EN / DIN EN 60950-1) either a current source of limited output (LPS = Low
Power Source), or a line-side fuse or a line-side circuit breaker is necessary. The power
needs to be limited to a value below 4.16 A. The fuse value required: Max. 4 A.
Use the special plug supplied to connect the supply voltage. Connect the protective
conductor (see Chapter PE terminal (Page 97)).
NOTICE
The permitted cable cross-section for the 24 VDC connection is 0.75 mm
2
to 2.5 mm
2
.
NOTICE
If a CompactFlash card is used in the device, make sure that the card is seated correctly
before you connect it.
Connecting
Proceed as follows for connecting the device to the 24 VDC power supply:
1.
Switch off the 24 VDC power source.
2. Connect the power supply using the plug (included in the package).
3. Connect the PE conductor.
3LQ 0LQ
Figure 6-2 Connecting the device to the 24 VDC power supply