Publication 1769-UM020A-EN-P - December 2009 17
Installation and Wiring Chapter 2
6. To allow communication between the controller and module,
move the bus lever fully to the left (4) until it clicks.
Make sure it is locked firmly in place.
7. Attach an end cap terminator (5) to the last module in the
system by using the tongue-and-groove slots as before.
8. Lock the end cap bus terminator (6).
Mounting the Module
Modules may be mounted to a panel or to a DIN rail.
Minimum Spacing
Maintain spacing from enclosure walls, wireways, or adjacent
equipment. Allow 50 mm (2 in.) of space on all sides for adequate
ventilation.
Space Requirements
ATTENTION
When attaching I/O modules, it is very important that
the bus connectors are securely locked together to be
sure of proper electrical connection.
IMPORTANT
A 1769-ECR or 1769-ECL right or left end cap must be used to
terminate the end of the bus.
ATTENTION
During panel or DIN rail mounting of all devices, be sure that all
debris (that is, metal chips or wire strands) is kept from falling
into the module. Debris that falls into the module could cause
damage when you cycle power.
Host Controller
Compact I/O
Compact I/O
Compact I/O
Compact I/O
Compact I/O
End Cap
Side Side
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