1
SG-BODY MUTING SERIES
Safety light curtains with infrared beams
QUICK GUIDE
This Quick Reference Guide does not replace the Instruction Manual. Download
the Instruction Manual by reading the QR code here or at www.datalogic.com.
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SAFETY INFORMATION
The following points must be observed for a correct and safe use of the safety light curtains of the SG-
BODY series:
The stopping system of the machine must be electrically controlled.
This control system must be able to stop the dangerous movement of the machine within the total machine stopping
time T as per paragraph 2.4.3 of the Instruction Manual and during all working cycle phases.
Mounting and connection of the safety light curtain must be carried out only by qualified personnel, according to the
indications included in the special sections (refer to sections 3; 4; 5; 7) and in respect to the applicable Standards.
The safety light curtain must be securely installed so that access to the dangerous zone is not possible without
interrupting the beams.
The personnel operating in the dangerous area must be well-trained and must have adequate knowledge of all the
operating procedures of the safety light curtain.
The TEST, RESET/RESTART and OVERRIDE buttons must be located outside the protected area as the operator must
check the protected area during all Test, Restart and Override operations.
Please carefully read the instructions for the correct functioning before powering the light curtain.
Precautions to be observed for the choice and installation of the device
Make sure that the protection level assured by the SG-BODY device (Type2/Type4) is compatible with the
real danger level of the machine to be controlled, according to EN 13849-1.
The outputs (OSSD) of the ESPE must be used as machine stopping devices and not as command devices. The
machine must have its own START command.
The dimension of the smallest object to be detected must be larger than the resolution level of the device.
The ESPE must be installed in a room complying with the technical characteristics indicated in section 11 “Technical
data” of the Instruction Manual.
Do not place the device near intense and/or flashing light sources and, in particular, close to receiving unit front surface.
The presence of intense electromagnetic disturbances could jeopardise device operation. This condition has to be
carefully evaluated with the support of the Datalogic Technical service.
The operating distance of the device can be reduced in presence of smog, fog or airborne dust.
A sudden change in environment temperature, with very low minimum peaks, can generate a small condensation layer
on the lenses and so jeopardise functioning.
Reflecting surfaces near the safety light curtain light beam (above, under or lateral) can cause passive reflections that
can jeopardise functioning.
The safety device must be installed at a distance which is major or equal to the minimum safety distance S to ensure
that the operator can not reach the dangerous area until the moving dangerous object has been blocked by the ESPE.
The failure to respect the safety distance reduces or cancels ESPE the protection function. For more detailed
information about calculation of safety distance, please refer to the Instruction Manual.