Chapter 3 Operating Instructions
C4000 Micro/Basic/Basic Plus/Eco
12 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8009423/YT79/2016-03-14
Subject to change without notice
Product description
3.2 Operating principle of the device
3.2.1 Components of the device
Please refer to chapter 10 “Technical specifications” on page 45 for the data sheet.
Please refer to pages 51 ff. for the dimensional drawings.
3.2.2 The light curtain principle
The safety light curtain C4000 consists of a sender and a receiver (Fig. 1). Between these
two units is the protective field, defined as the protective field height and the protective
field width.
The construction height determines the protective field height of the appropriate system.
For the exact protective field height, please see Tab. 21 ff. in chapter 10.4 “Dimensional
drawings” on page 51.
The protective field width is derived from the dimension of the light path between sender
and receiver and must not exceed the maximum rated protective field width (see “Techni-
cal specifications” on page 45).
Sender and receiver automatically synchronise themselves optically. An electrical connec-
tion between both components is not required.
The C4000 is modular in structure. All optical and electronic components and assemblies
are housed in a slim and torsionally rigid housing.
C4000
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