Connecting
4.1 Basic safety notes
Transducers
32
Compact Operating Instructions, 09/2021, A5E43390688-AC
WARNING
Improper laying of shielded cables
Risk of explosion through compensating currents between hazardous area and the
non-hazardous area.
•
Shielded cables that cross into hazardous areas should be grounded only at one end.
•
If grounding is required at both ends, use an equipotential bonding conductor.
4.1.1
Connect or disconnect device only in a de-energized state
WARNING
Connect or disconnect the device only in a de-energized state
Risk of explosion in hazardous areas.
•
Connect or disconnect devices in hazardous areas only in a de-energized state.
•
Install a suitable switch-off device.
WARNING
Incorrect selection of type of protection
Risk of explosion in areas subject to explosion hazard.
This device is approved for several types of protection.
1.
Decide in favor of one type of protection.
2.
Connect the device in accordance with the selected type of protection.
3.
In order to avoid incorrect use at a later point, make the types of protection that are not
used permanently unrecognizable on the nameplate.
NOTICE
Ambient temperature too high
Damage to cable sheath.
•
At an ambient temperature
≥
60 °C (140 °F), use heat-resistant cables suitable for an
ambient temperature at least 20 °C (36 °F) higher.
