Installing and connecting the device
3.6 Removing the device
IFP V2, IFP V2 PRO, IFP V2 ETH
72 Operating Instructions, 03/2023, A5E46641410-AE
When devices with Ex approval are used in hazardous areas, note that the connectors must
be secured in a captive manner at the interfaces.
Explosion hazard from sparks when connectors come loose
If a plug connector comes loose from the associated device interface during operation in a
hazardous area, a spark over at the interface may cause an explosion. Death or serious
physical injury as well as property damage may result.
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.
Secure all connected cables directly at the transition between connector and cable to the
nearest fastening point of the strain relief plate or strain relief element using a cable tie.
Tighten up all cable ties in such a way that they fully wrap around the respective cable but
The following figure shows an example of how to secure a connector in a captive manner.
3.6 Removing the device
This section describes how to remove the devices properly, when necessary.
3.6.1 Removing the built-in device
The built-in device is generally removed in the reverse order for mounting and connecting.
Procedure
Proceed as follows:
1. Switch off the power supply of the built-in device.
2. When you use the built-in device in a hazardous area, make sure that one of the two
following requirements is met: The area is no longer hazardous or the built-in device and its
plug-in connections are de-energized.
3. Remove all cable ties used for strain relief on the strain relief plate of the built-in device.
4. Remove all plug-in connectors and the equipotential-bonding cable from the built-in device.
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