Rockwell Automation Publication 442L-UM005B-EN-P - April 2017 101
Glossary
The following terms and abbreviations are used throughout this manual. For
definitions of terms that are not listed here, refer to the Allen-Bradley
Industrial Automation Glossary, publication AG-7.1
.
AGV Automated Guided Vehicle
ANSI American National Standards Institute
AW G American Wire Gauge. Standardization and classification of wires and cables
by type, diameter, and so on.
AOPDDR Active opto-electronic protective device responsive to diffuse reflection (for
example, SafeZone™ Mini device, see also CLC/TS 61496-3)
Dangerous state The dangerous state (standard term) of the machine is always shown in the
drawings and diagrams of this document as a movement of a machine part. In
practical operation, there can be a number of different dangerous states:
•Machine movements
•Vehicle movements
• Electrical conductors
• Visible or invisible radiation
• Combination of several risks and hazards
EDM External device monitoring
EMC Electromagnetic compatibility
ESD Electrostatic discharge
ESPE Electro-sensitive protective equipment
External device monitoring (EDM) A device that electronically monitors the relay or contactor that is operated by
the protective device before each new start.
Field set Protective fields and warning fields form the so-called field set.
FPLC Fail-safe programmable logic controller
GSP Guardmaster safety relay
Optics cover Plastic part with window for light output. The optics cover is available as a
spare part.
OSSD Output signal switching device. The OSSD output is the switching output on
the SafeZone Mini device that is used to stop the dangerous movement. This
output is a semiconductor output and is periodically tested for correct
function. The SafeZone Mini device has two OSSD outputs that operate in
parallel; for safety reasons these outputs must be evaluated using two channels.
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