Installing and connecting the device
3.3 Connecting the device
SIMATIC IOT2050
24
Operating Instructions, 03/2020, A5E39456816-AA
3.3
Connecting the device
3.3.1
Notes on connecting
WARNING
Risk of lightning strikes
A lightning flash may enter the mains cables and data transmission cables and jump to a
person.
Death, serious injury and burns can be caused by lightning.
Take the following precautions:
•
Disconnect the device from the power supply in good time when a thunderstorm is
approaching.
•
Do not touch mains cables and data transmission cables during a thunderstorm.
•
Keep an enough distance from electric cables, distributors, systems, etc.
CAUTION
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 VDC power supply cables to the 24 VDC 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.
NOTICE
Fault caused by I/O devices
The connection of I/O devices can cause faults in the device.
The result might be personal injury and damage to the machine or plant.
Note the following when connecting I/O devices:
•
Read the documentation of the I/O devices. Follow all instructions in the documentation.
•
Only connect I/O devices which are approved for industrial applications in accordance
with EN 61000-6-2 and IEC 61000-6-2.
•
I/O devices that are not hotplug-capable may only be connected after the device has
been disconnected from the power supply.
