Safety Notes
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253215 / 941960310090
2017-04-21·BA00·III·en·01
Bus-Carrier for linking device
Series 9419/0..-LD1-..E1
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3.3
Safe Use
Before mounting
• Read and observe the safety notes in these operating instructions!
• Ensure that the contents of these operating instructions are fully understood by the
personnel in charge.
• Consult with R. STAHL Schaltgeräte GmbH if using the device under operating
conditions which are not covered by the technical data.
For assembly and installation
• Have mounting and installation performed only by qualified and authorised persons
(see "Personnel qualification" section).
• The device is only to be installed in zones for which it is suited based on its marking.
• During installation and operation, observe the information (characteristic values and
rated operating conditions) on the rating, data and information plates located on the
device.
• Before installation, make sure that the device is not damaged.
• When operated in Zone 2 hazardous areas, the bus-Carrier 9419 must be installed in
an enclosure which meets the requirements of IEC/EN 60079-15.
• When used in hazardous areas, no connecting work or removal/insertion of devices is
permitted.
Exception: A hot work permit has been issued and the entire system
has been de-energised.
• The maximum permissible ambient temperature depends on the number and operat
-
ing modes of the fieldbus power supplies used and the linking device as well as the
installation position of the bus-Carrier. See information in the "Project engineering"
chapter and in the operating instructions of the fieldbus power supply 9412.
Commissioning, maintenance, repair
• Have commissioning and repairs performed only by qualified and authorised persons
(see "Qualification of the personnel" section).
• Before commissioning, make sure that the device is not damaged.
• Perform only maintenance work described in these operating instructions.
• When operating the device in hazardous areas, connection work on the bus-Carrier is
not permitted! Exception: A hot work permit has been issued and the entire system has
been de-energised.