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OMRON Scientific Technologies Inc.
57
© OMRON STI 0613 PN99804-0060 Rev. B
A
PPENDIX
B —T
EST
P
ROCEDURE
B.1 T
E S T
P
R OC E D UR E
L
O G
The following test procedure must be performed by qualified personnel during initial MS4800 system
installation, according to the employer’s regular inspection program and after any maintenance,
adjustment or modification to the MS4800 system or the guarded machine. Testing ensures that the
light curtain, safety system, and machine control system work together to properly stop the machine.
Failure to test properly could result in serious injury to personnel. To test the MS4800 system, use the
correct size test object.
Machine Identification:_______________________________Date:_______________
Technician
Signature:____________________________________________________________________
Item
Condition
Comments
1. Disable the guarded machine. Apply power to the MS4800 system.
___ Pass
___ Fail
2. Visually inspect the machine to ensure that access to the danger point is
only through the MS4800 detection zone. If not, additional guarding, including
mechanical barriers may be required. Verify that all additional guarding
devices and barriers are installed and operating properly.
___ Pass
___ Fail
3. Verify that the mounting distance of the MS4800 system is equal to or
greater than the calculated minimum safety distance from the danger point.
See Section 8 --
Safe Mounting Distance
for further information. Ensure that
the operator is not able to stand between the 4800 detection zone and the
danger point.
___ Pass
___ Fail
4. Check for signs of external damage to the MS4800 system, the machine
and the electrical cables and wiring. If damage is found, lock the machine off
and report to the supervisor.
___ Pass
___ Fail
5. Interrupt the MS4800 system detection zone with the proper size test
object. Move the test object inside the perimeter (along the top, sides and
bottom) of the detection zone and up and down through the center. At least
one Individual Beam Indicator must be lit while the test object is anywhere in
the detection zone. If in automatic start mode, verify that the red MACHINE
STOP light is lit. If in start/restart INTERLOCK mode, verify that the red
MACHINE STOP and yellow INTERLOCK lights are on. Press and release
start button before proceeding to step 6.
___ Pass
___ Fail
6. Start the machine. While the machine is in motion, interrupt the detection
zone with the test object. The machine should stop immediately. Never insert
the test object into the dangerous parts of the machine. With the machine at
rest, interrupt the detection zone with the test object. Verify that the machine
will not start with the test object in the detection zone.
___ Pass
___ Fail
7. Verify that the braking system is working properly. If the machine does not
stop fast enough, adjust the braking system or increase the distance from the
detection zone to the danger point.
___ Pass
___ Fail
8. If the safety devices or the machine fails any of these tests, do not run the
machine. Immediately tag or LOCKOUT the machine to prevent its use and
notify the supervisor.
___ Pass
___ Fail
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