12 1769-L32E, 1769-L35E CompactLogix Controller
Publication
1769-IN020-C-EN-P - July 2007
System Dimensions
Grounding Considerations
This product is intended to be mounted to a well-grounded mounting
surface such as a metal panel. Additional grounding connections from
the controller’s mounting tabs or DIN rail (if used) are not required
unless the mounting surface cannot be grounded.
Refer to publication 1770-4.1, Industrial Automation Wiring and
Grounding Guidelines, for additional information.
TIP
Compact I/O expansion cables have the same dimensions as the end caps. Expansion
cables can be used on either the right or left end. A 1769-ECR right end cap or 1769-ECL
left end cap terminates the end of the communication bus.
ATTENTION
This product is grounded through the DIN rail to chassis ground. Use zinc plated
yellow-chromate steel DIN rail to assure proper grounding. The use of other DIN rail
materials (such as aluminum or plastic) that can corrode, oxidize, or are poor conductors,
can result in improper or intermittent grounding. Secure DIN rail to mounting surface
approximately every 200 mm (7.8 in.) and use end-anchors appropriately.
52.5 mm
(2.07 in.)
118 mm
(4.65 in.)
35 mm
(1.38 in.)
35 mm
(1.38 in.)
35 mm
(1.38 in.)
132 mm
(5.20 in.)
15 mm
(.59 in.)
52.5 mm
(2.06 in.)
67.5 mm
(2.68 in.)
70 mm
(2.76 in.)
35 mm
(1.38 in.)
35 mm
(1.38 in.)
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