Rockwell Automation 198x Modular DeviceNet Starter Auxiliary I/O - Manual (Page 17)

Installation 2-4
Publication 198-UM001B-EN-P September 2001
Module Installation
The I/O System can be mounted either on a DIN Rail or a Gland Plate.
DIN Rail Mounting
The Modular-DSA I/O System modules can be mounted using either the 35 x 7.5 mm
(EN 50 022-35 x 7.5) or 35 x 15 mm (EN 50 022-35 x 15) DIN Rail.
Figure 2.2 DIN Rail Mounting and Removal
IMPORTANT
During gland plate or DIN Rail mounting of all devices, be sure that
debris (metal chips, wire strands, etc.) do not fall into the module. Such
debris could cause damage on power-up.
IMPORTANT
When attaching I/O modules, it is very important that the modules
are fully seated on either the DIN Rail or the gland plate. This ensures
that the module-to-module connectors are properly mated and that
the modules are properly grounded.
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198-DN