KEYENCE SL-CHS Series - Manual (Page 49)

Chapter 4 Checklist
4
ENGLISH
4. Test Results Confirmation
❏
If the SL-CHS or the machine to which the SL-CHS has been installed fails any part of the above
test, operation should be ceased until satisfactory test results are obtained.
❏
A record of the test results must be maintained.
WARNING
If the SL-CHS does not function as described in the test procedure, do not attempt
to operate the machine to which the SL-CHS has been installed. Such an operation
may lead to the serious harm, including a serious injury or death of the machine
operator.
4-2-2 Regular Inspection
The responsible personnel must perform a regular inspection at least once every six months.
For the regular inspection, add the following checklist to the checklist given in 4-2-1
“Inspection Prior
to an Operation” ( ➮ page 4-3). Note that the checklist below covers the minimum test items required
in using the SL-CHS Series. It is strongly recommended to add the necessary checking items to this
checklist based on the judgment of the responsible personnel since additional criteria may be
necessary depending on the machine to which the SL-CHS is installed and the standards and
regulations of the country or region in which it is used.
The result of this inspection must be kept on record along with the machine log.
1. Additional Inspection Items
❏
The distance between the hazardous zone or hazards and the SL-CHS is greater than the
minimum safety distance calculated.
❏
The stop time of the machine used to determine the minimum safety distance has not increased.
❏
There are no loose screws in the mounting bracket.
❏
There is no light interference due to external light or reflections from glossy surfaces.
❏
The output cable of the SL-CHS is fastened tightly with no loose screw.
❏
The output from the SL-CHS is connected correctly to the machine.
❏
The FSD relay must be operating normally if the Intelligent Safety Relay Unit (SL-R11) is being
used.
❏
There should be no damage that may impair the performance of the protective structure of the SL-
CHS.
❏
The light receiving surfaces must be free of stains. There should be no scratches on the outer
covers.
❏
Beam axes must be aligned. If the alignment is off, adjust beam axes according to the procedure
described in
3-9 “Beam Axis Adjustment” ( ➮ page 3-8) as necessary.
❏
All inspections listed in section 4 “ Post-Installation Itemized Checklist” ( ➮ page 4-1) have been
covered.
2. Test Results Confirmation
❏
It the SL-CHS or the machine to which the SL-CHS has been installed fails any part of the above
test, operation should be ceased until satisfactory test results are obtained. A record of the test
results must be maintained.
WARNING
If the SL-CHS does not function as described in the test procedure, do not attempt
to operate the machine to which the SL-CHS has been installed. Such an operation
may lead to serious harm, including a serious injury or death of the machine
operator.
4-5