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2504709-01-06/17 (translation of the original operating instructions)
Operating Instructions
Light Grids/ Light Curtains LCA 4
EN
7.4. Installation
Important!
Before installing the safety system, all the conditions listed in the following must be checked:
Ì
The degree of protection (type 4, SIL3, SIL CL3, Ple) provided by the system must be compatible
with the dangerous nature of the system to be controlled.
Ì
The machine must be operated via a control system
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It must be possible to control electrically the operation of the machine.
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It must be possible to stop without delay any dangerous process on the machine. In particular, it
must be known how long it takes to stop the machine.
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The machine must not generate any physical hazards (throwing out of parts, heat, radiation). In
this situation a movable safety guard is to be used.
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The minimum size of the object to be detected must correspond to the resolution of the model
selected or be larger.
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The height and width of the danger area must be covered by the protective field from the related
model.
7.5. Positioning
Important!
Ì
Check whether the room temperature is compatible with the operating temperature of the device
Ì
Do not position transmitter and receiver in the vicinity of highly reflective light sources.
Ì
The action of light from external sources above 3000 lx can cause malfunctions. Check your ambi-
ent conditions before using the system.
The protective field from the transmitter and receiver must completely cover the danger area. It must only be possible to
access the danger area by interrupting at least one light beam on a light grid or light curtain.
The illustration below shows a few installation examples for the correct positioning of the devices.
Figure 13: Positioning the item of protective equipment
Summary of Contents for LCA 4
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