14
3. INSTALLATION
WARNING
TAPESWITCH SAFETY MAT SYSTEMS ARE DESIGNED TO PROTECT
OPERATORS WORKING AT OR NEAR DANGEROUS MACHINES. THEY CAN
ONLY PERFORM THAT FUNCTION IF THEY ARE CORRECTLY FITTED AND
INTERFACED TO A SUITABLE MACHINE. EVERY EFFORT HAS BEEN MADE
IN THE PRODUCTION OF THIS MANUAL TO PROVIDE COMPREHENSIVE
AND ACCURATE INFORMATION. IT IS THE RESPONSIBILITY OF THE USER
TO ENSURE THAT ALL PERSONS INVOLVED IN THE INSTALLATION OF THE
PRODUCT HAVE THE KNOWLEDGE, TRAINING AND EXPERIENCE
NECESSARY AND THAT THEY ARE FULLY CONVERSANT WITH ALL LAWS,
RULES, REGULATIONS AND CODES OF PRACTICE PERTAINING TO THEIR
TASK.
3.1 GENERAL
The attention of the installer is drawn to
following general requirements for the
installation of a Tapeswitch safety mat system:
(a)
The machine must be electr ically
controllable.
(b)
It must be possible to stop the
dangerous motion of the machine at any
point in its operation, in any operating
mode.
(c)
The contr ol system as a whole must
be designed to provide the level of safety
integrity
determined
by
the
risk
assessment.
(d)
Steps must be taken to pr event
access to the dangerous parts of the
machine from any direction not covered
by the sensor. Such steps could include
fixed or interlocking fences or screens,
additional pressure sensitive mats or
photo
-
electric devices.
(e)
Steps must be taken to pr event a
person standing in the dangerous area
without standing on the sensor. The inner
surfaces of fixed mechanical fencing
should be designed
such that there are no ledges or steps on
which a person could stand and thereby
avoid the sensor. It may be necessary to
fit additional mechanical barriers, covers
etc. to cover any surfaces within the
dangerous area on which a person could
stand, such as the feet of the machine.
Particular attention should be paid to the
edge of the mat nearest to the machine.
Ensure that a person tip
-
toeing at the
front of the machine will still be standing
on the active area of the mat. See Figure
11.
(f)
Wher ever possible r ectangular mats
of standard sizes should be used. Where
this is not possible, due to obstructions,
mats with edge or corner cutouts and
even with holes can be specified. This
should only be done where the
obstructions are permanent.
(g)
Under no cir cumstances should a
mat sensor be cut or drilled. It is not
possible for the user to modify the size or
shape of a mat sensor.
