Stahl 9146 Series, Руководство по эксплуатации

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Safety Notes
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159896 / 914660310010
2018-09-06·BA00·III·en·0 4
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Frequency Transmitter Field Circuit Ex i
Series 9146
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.
• Use the device in accordance with its intended and approved purpose only.
• Always consult with R. STAHL Schaltgeräte GmbH if using the device under operating
conditions which are not covered by the technical data.
• Before installation, make sure that the device is not damaged.
• We cannot be held liable for damage at the device caused by incorrect or unauthorised
use or non-compliance with these operating instructions.
For mounting and installation
• Have mounting and installation performed only by qualified and authorised persons
(see chapter "Qualification of the personnel").
• The device is only to be installed in areas 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.
• Install the device in Zone 2 or Zone 22 or outside of hazardous areas.
• For use in Zone 2 or Zone 22, install the device in an enclosure.
• When used in Zones 2, 22, the intrinsically safe devices of Zones 1, 0, 21 and 20 can
be connected to the intrinsically safe signal circuits.
• Only connect the device to equipment which does not carry voltages higher than
253 V AC (50 Hz).
• Devices of group M1 can also be connected to the Ex i electrical circuits.
• Electric circuits with the "Ex i" type of protection can no longer be operated as circuits
with this protection type after being operated with circuits with other types of protection.
Commissioning, maintenance, repair
• Only have commissioning and repairs performed by qualified and authorised persons
(see chapter "Personnel qualification").
• Before commissioning, make sure that the device is not damaged.
• Perform only maintenance work described in these operating instructions.