SG4-H
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8 PERIODICAL CHECKS
The following is a list of recommended check and maintenance operations that should be periodically carried-out
by qualified personnel (cfr.
Controls after first installation page 21
Check that:
The ESPE stays locked (
) during beam interruption along the entire protected area, using the suitable
The ESPE is correctly aligned. Press slightly product side, in both directions and the red LED ( ) must not turn
ON.
The response time upon machine STOP (including response time of the ESPE and of the machine) is within
the limits defined for the calculation of the safety distance (see section
INSTALLATION page 14
The safety distance between the dangerous areas and the ESPE are in accordance with the instructions
included in section
INSTALLATION page 14
Access of a person between ESPE and machine dangerous parts is not possible nor is it possible for him/her
to stay there.
Access to the dangerous area of the machine from any unprotected area is not possible.
The ESPE and the external electrical connections are not damaged.
The frequency of checks depends on the particular application and on the operating conditions of the safety light
curtain.
Verify that:
ESPE remains blocked (
) intercepting the beams along the protected area using the specific test piece,
TP14 for light curtains with 14 mm resolution: SG4-H14-xx-x
