Siemens IFP V2 UL Operating Manual page 32

Installing and connecting the device
3.5 Connecting the device
Connecting cables
Note
Separate SELV/PELV circuits from other electric circuits or isolate the wires.
The wiring of SELV/PELV circuits must either be separated from the wiring of other non-
SELV/PELV electric circuits, or the insulation of all conductors must be rated for the higher
voltage. Alternatively, a grounded shield or additional insulation must be installed around the
wiring for SELV/PELV circuits or the other electric circuits, based on IEC 60364-4-41.
Use copper cables at connectors with terminal connections
Use copper (Cu) cables for all supply lines that are connected to the device with terminals,
e.g. 24 V DC power supply cables to the 24 V DC power supply connectors.
Utiliser des câbles en cuivre sur les connexions à bornes
Utilisez des câbles en cuivre (Cu) pour tous les câbles d'alimentation qui sont raccordés à
l'appareil par des bornes, par exemple les câbles d'alimentation 24 V CC sur le connecteur
d'alimentation 24 V CC.
Use only shielded standard cables as data cables, order information is available in the section
"Accessories".
Connection sequence
Connect the device in the following sequence:
1. Equipotential bonding (Page 33)
2. Power supply (Page 36)
Perform a power-up test to ensure the power supply is connected with the correct
polarity.
3. PC (Page 38)
4. I/O devices (Page 44), if needed
Note
Damage to the device
Failure to adhere to the connection sequence can damage the device.
Make sure you connect the device according to sequence listed above.
You disconnect the device in the reverse order.
32
CAUTION
IFP V2 UL hazardous information
Operating Manual, 11/2023