Rockwell Automation Allen-Bradley 1769-ASCII, User Manual

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Rockwell Automation Publication 1769-UM012B-EN-P - January 2014 15
Compact I/O ASCII Module Chapter 1
9.
Lock the end-cap bus terminator (6).
Minimum Space
Maintain spacing, for example, from enclosure walls, wireways, adjacent
equipment. Allow 50 mm (2 in) of space on all sides for adequate ventilation.
Panel Mount
Mount the module to a panel by using two screws per module. Use M4 or #8
panhead screws. Mounting screws are required on every module.
Panel Mount Procedure with the Dimensional Template
IMPORTANT
You must use a 1769-ECR or 1769-ECL right- or left-end cap to terminate
the end of the serial communication bus.
ATTENTION: During panel or DIN rail mounting of all devices, be sure that all
debris (for example, metal chips and wire strands) is kept from falling into the
module. Debris that falls into the module could cause damage on powerup.
Controller
Compact I/O Compact I/O Compact I/O Compact I/O Compact I/O
End Cap
Top
Bottom
Side Side
Host Controller
Compact I/O Compact I/O Compact I/O
Right End Cap
All dimensions
are in mm (inches). Hole
spacing tolerance:
±0.4 mm (0.016 in.)
For more than 2 modules: ( number of modules - 1) X 35 mm (1.38 in.)
Refer to host controller documentationfor this dimension.
132
(5.197)
122.6±0.2
(4.826±0.008)
35
(1.38)
28.5
(1.12)