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Rockwell Automation 1756-XXXX ControlLogix Analog I/O Modules User Manual

Page 390

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390

Publication 1756-UM009C-EN-P - December 2010

Glossary

electronic keying

A feature where modules can be requested to perform an electronic check to
make sure that the physical module is consistent with what was configured by
the software.

exact match

An electronic keying protection mode that requires the physical module and
the module configured in the software to match according to vendor, catalog
number, major revision and minor

revision.

field side

Interface between user field wiring and I/O module.

inhibit

A ControlLogix process that lets you configure an I/O module but prevent it
from communicating with the owner-controller. In this case, the controller
behaves as if the I/O module does not exist at all.

interface module (IFM)

A module that uses pre-wired cable to connect wiring to an I/O module.

listen-only connection

An I/O connection where another controller owns/provides the
configuration and data for the module.

major revision

A module revision that is updated any time there is a functional change
to the module.

minor revision

A module revision that is updated any time there is a change to the module
that does not affect its function or interface.

multicast

Data transmissions that reach a specific group of one or more destinations.

multiple owners

A configuration set-up where multiple owner-controllers use exactly the same
configuration information to simultaneously own an input module.