Device description
Leuze electronic GmbH + Co. KG
ELC 100
10
3
Device description
The safety sensors from the ELC 100 series are active optoelectronic protective devices. They satisfy the
following standards:
ELC 100
Type in accordance with IEC/EN IEC 61496
4
Category in acc. with ISO/EN ISO 13849-1:2015
4
Performance Level (PL) in accordance with ISO/EN ISO 13849-1:2015
e
Safety Integrity Level (SIL) in accordance with IEC/EN 61508 or SILCL in accordance
with IEC/EN 62061
3
The safety sensor consists of a transmitter and a receiver. It is protected against overvoltage and overcur-
rent acc. to IEC/EN 60204-1 (protection class 3). The safety sensor is not dangerously influenced by typical
ambient light.
3.1
Structure and function
The ELC 100 safety light curtain is a piece of electro-sensitive protective equipment (ESPE) that consists of
a transmitter and a receiver.
A series of parallel infrared light beams creates a protective field between transmitter and receiver that
safeguards the danger zone (point of operation, access point and danger zone safeguarding). As soon as
one or more beams are completely interrupted, the safety light curtain reports the interruption of the light
path by means of a signal change at the safe switching outputs (OSSDs). The machine or its control must
safely evaluate the signals (e.g. with a safe control or a safety relay) and end the dangerous state.
Transmitter and receiver automatically synchronize themselves using optical means. An electrical connec-
tion between the two components is not necessary.
Protective field properties
The beam distance and the number of beams are dependent on the resolution and protective field height.
