30107-10 Rev. 2.5 | 24NOV2020
Page 14
ML255 Converter Cable Connections from Sensor
2.3 Installing Cables To Converter And Service Loop
Conduit of any kind CANNOT be attached directly to the electronics enclosure. Attaching conduit directly to the enclosure
will introduce dangerous gasses and moisture into the enclosure creating a dangerous condition, and will remove the
enclosure's IP67 rating. Attaching conduit to the enclosure or altering the enclosure in any way will void the warranty.
Any cable running through a conduit must exit the conduit and have a minimum of an 8" service loop before entering
the electronics enclosure through the cable glands. All cable compression glands must be properly tightened to prevent
moisture intrusion and maintain the IP67 rating. This allows the electronics enclosure to be rotated and the rear panel to
be accessed. If electrically bonding (grounding) the enclosure to metallic conduit or raceways, secure a lead wire to the
enclosures back panel screw and attach the lead to a listed and approved conduit grounding bushing. (See Figure 2) To
insure IP67 rating use only round cable 0.125" to 0.375" in diameter.
Figure 2. Cable installation, a service loop and bonding to metallic conduit
Grounding Lead
Sensor Cables
(Showing 8”
Service Loop)
Power Cable
Conduit Grounding
Bushings
Enclosure Front
Enclosure Back
Enclosure
Backplate
Screw
IMPORTANT: All cables must have a minimum 8" service loop.
WARNING: Do not connect any form of conduit directly to the converter enclosure. Doing so will allow moisture
and potentially dangerous gasses to enter directly into the converter. Attaching any conduit to the enclosure, or
altering the enclosure in any way will void the warranty.
!
30122-46 Rev. 1.3 | 27OCT2020
Page 3
INSTALLING THE CONVERTER AND CABLES
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