Safety Instructions For I/O Devices - Siemens SIMATIC IPC RW-545A Operating Instructions Manual

Safety instructions

2.5 Safety instructions for I/O devices

2.5 Safety instructions for I/O devices
Risk of damage to the device from connecting I/O devices
Fault caused by I/O devices
The connection of I/O devices can cause faults in the device.
The result may be personal injury and damage to the machine or plant.
• Only connect I/O devices which are approved for industrial applications in accordance
• I/O devices that are not hotplug-capable may only be connected after the device has
Danger due to regenerative feedback
NOTICE
Damage to the device due to regenerative feedback
A connected or installed component can cause voltage to be fed back to ground in the
device.
This can damage the device.
• Do not introduce voltage into the device through connected or built-in I/O devices that
Note on measuring the counter voltage
Note
Note the following when measuring the counter voltage:
• Switch off the affected device and then insert the power plug.
• Connect all cables from the system to the device and switch all components of the system
to active before starting the measurement.
46
CAUTION
with EN 61000-6-2 and IEC 61000-6-2.
been disconnected from the power supply unit.
are operated with their own power supply unit (e.g. a USB drive with an external power
supply unit).
Workstation SIMATIC IPC RW-545A Operating
Instructions, 08/2023, A5E52943278-AA