159855 / 9143601310
2020-12-04·BA00·III·en·14
Mounting and Installation
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Ex-i power supply
Series 9143
8.3
Installation
8.3.1 Electrical Connections
8.3.2 Schematic Diagrams
See device labelling or technical data.
8.3.3 Connection of Supply
Types 9143/..-...-...-10
24 V AC / DC
Types 9143/..-...-...-20
110 / 115 / 230 V AC
Operation under difficult conditions, such as, in particular, on ships, requires
additional measures to be taken for correct installation, depending on the
place of use. Further information and instructions on this can be obtained
from your regional sales contact on request.
DANGER
Explosion hazard caused by voltage that is too high!
Non-compliance results in severe or fatal injuries.
• Connect the device only to equipment with internal voltage U
m
:
max. 253 V AC / 50 Hz.
DANGER
Explosion hazard due to incorrect safety characteristic values of the
device or connected field devices!
Non-compliance results in severe or fatal injuries.
• Check safety characteristic values of the device and connected
field devices according to the national installation guidelines.
NOTICE
Device failure due to electrostatically overcharged components!
Non-compliance can result in material damage!
• Before carrying out work on the device, the body's own voltage must be
discharged on earthed metal parts or an ESD wrist strap must be put on.
Type of supply
Connection
Direct supply of the device via 24 V connection
Green terminals "7+" and "9-"
Supply via pac-Bus
pac-Bus terminals "1+" and "2-"
Type of supply
Connection
Direct supply of the device with 85 to 253 V AC
Green terminals "7 L" and "9 N"
