Chapter 9. Periodical Checks - Datasensing SH4 ADVANCED Product Reference Manual

CHAPTER 9
PERIODICAL CHECKS
The following is a list of recommended check and maintenance operations that should
be periodically carried-out by qualified personnel (see "
page 20
Check that:
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•
•
•
•
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The frequency of checks depends on the particular application and on the operating
conditions of the safety light curtain.
98
SH4 ADVANCED
).
The ESPE remains in Safe State (Red OSSD LED ON) during beam interruption along
The ESPE stays in SAFE state during beam interruption along the entire protected
area, using the specific Test Piece (TP-14 or TP-30)
The ESPE is correctly aligned. Press slightly product side, in both directions and the
red LED (named OSSD on RX side) must not turn ON.
Enabling the TEST function (on TX side), the OSSD outputs should open (the red
LED, OSSD on RX side, is ON and the controlled machine stops)
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 dis-
tance (see "
Installation" on page 6
The safety distance between the dangerous areas and the ESPE are in accordance
with the instructions included in "
Access of a person between ESPE and machine dangerous parts is not possible,
nor it is 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.
Controls after first installation" on
).
.
Installation" on page 6