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OMRON SCIENTIFIC TECHNOLOGIES INC.
Fremont CA USA
Tel: 1/888/510-4357 in USA and Canada
© OSTI 1209 PN99584-0050 Rev. E
Original Instructions
89
15 G
LOSSARY
15
15.1 G
LOSSARY
D
EFINITIONS
Detection Zone:
The zone within which a specified test piece will be detected by the light curtain.
MPCE:
The electrically powered element that directly controls the normal operation of a machine in
such a way that it is the last (in time) to function when machine operation is to be initiated or arrested.
OFF State:
The state in which the output circuit is interrupted and does not permit the machine to
operate.
ON State:
The state in which the output circuit is complete and permits the machine to operate.
Output Signal Switching Device (OSSD):
The component of the safety light curtain connect to the
machine control system which, when the light curtain detection zone is interrupted, responds by going
to the OFF state. Also known as safety outputs.
Test Object:
An opaque cylindrical object used to verify the detection capability of the light curtain.