Siemens SIMATIC IPC1047 Operating Instructions Manual page 27

High frequency radiation
Immunity to RF interference
The device has an increased immunity to RF radiation according to the specifications on
electromagnetic compatibility in the technical specifications.
High frequency radiation above the specified immunity limits can result in malfunctioning of
the device.
Persons are injured and the plant is damaged.
• Avoid high-frequency radiation.
• Remove radiation sources from the environment of the device.
• Switch off radiating devices.
• Reduce the radio output of radiating devices.
• Read the information on electromagnetic compatibility.
• Read the information in the technical specifications.
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
NOTICE
Damage through regenerative feedback
Regenerative feedback of voltage to ground by a connected or installed component can
damage the device.
Connected or built-in I/Os, for example, a USB drive, are not permitted to supply any
voltage to the device.
Regenerative feedback is generally not permitted.
SIMATIC IPC1047
Operating Instructions, 07/2019, A5E45118479-AB
CAUTION
CAUTION
with EN 61000-6-2 and IEC 61000-6-2.
been disconnected from the power supply.
2.2 Notes on ambient and environmental conditions
Safety Instructions
27