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Terminology – Rockwell Automation 440G-LZ Guard Locking Switch User Manual User Manual

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Rockwell Automation Publication 440G-UM001A-EN-P — November 2013

Preface

You can view and download publications at

http://

www.rockwellautomation.com/literature/

. To order paper copies of

technical documents, contact your local Rockwell Automation distributor
or sales representative.

Terminology

OSSD

Output Signal Switching Device. Typically designates a pair of solid state
signals pulled up to the DC source supply. The signals are usually tested for
short circuits to the DC power supply, short circuits to the DC common, and
short circuits between the two signals.

Standard coding

Same as Low coding as defined in EN/ISO 14119:2013

Unique coding

Same as High coding as defined in EN/ISO 14119:2013