Siemens IFP V2 UL Operating Manual page 9

Do not plug or pull connectors in potentially explosive atmospheres
If you plug in or pull out the cable connector during operation, you run the risk of a
flashover. An explosion can be triggered in the hazardous area due to sparkover, and death
or serious bodily injury can occur.
Plugging in or unplugging cable connectors, e.g. a 24 V DC power supply connector is not
permitted in the hazardous area.
Do not plug in or unplug a connector until either of the following conditions is met: The
area is no longer hazardous or the device and its plug-in connections are de-energized.
To switch off the device, close all open programs or the current project, and switch off the
power to the device.
Additional information for the PRO devices in UL hazardous.
The devices are open-type and are required to be installed in an enclosure suitable for the
environment and can only be accessed with the use of a tool or key.
Explosion Hazard
Substitution of components may impair suitability for Class I, Division 2.
Securing cables for use in hazardous areas
For use in hazardous areas, it must be ensured that the plug connectors of the cables are
fully connected to the respective interface and cannot come loose from the interfaces in any
case.
USB Type B port (X60)
USB Type B port (X60) is for maintenance use only.
IFP V2 UL hazardous information
Operating Manual, 11/2023
WARNING
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Safety instructions
2.2 Use in hazardous areas
9