KEYENCE SL-R12EX - Manual (Page 4)

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Safety Precautions
This manual describes handling, operation, and precautionary information for the Intelligent Extension Unit
(SL-R12EX). Read this manual thoroughly before operating the SL-R12EX in order to understand device
features, and keep this instruction manual readily available for reference.
1. Safety Headings
This instruction manual uses the following headings to display important safety information. Strict adherence
to the instructions next to these headings is required at all times.
Failure to follow the instructions may lead to death or serious injury.
Failure to follow the instructions may result in significant harm to machine opera-
tors, including death.
Failure to follow the instructions may result in failure to the SL-R12EX, or to the
machine to which it is installed.
Provides important precautions and restrictions for proper operation.
Provides additional information for proper operation.
Provides useful information for proper operation.
Provides reference pages.
WARNING
The SL-R12EX is a special controller unit for the Safety Light Curtain SL-C Series
and the Intelligent Safety Relay Unit SL-R11.
Therefore, be sure to refer to and strictly observe the precautions and warnings
written in the SL-C Series and/or SL-R11 Instruction Manual.
2. General Precautions
• Verify that this device is operating normally in terms of functionality and performance before the start of
work and before the start of device operation.
• KEYENCE is unable to warrant the function or performance of the SL-R12EX if it is used in a manner that
differs from the SL-R12EX specifications contained in this instruction manual or if the SL-R12EX is modified.
• When using the SL-R12EX to protect machine operators from a hazardous zone or a hazard, or using it
as safety equipment for any purpose, always follow the applicable requirements, regulations, and laws
(collectively “regulations”) existing in the country or region where the SL-R12EX is being used. For such
regulations, contact directly the regulatory agency responsible for occupational safety and health in your
country or region.
• Depending on the type of machine to which the SL-R12EX is to be attached, there may be special safety
regulations related to the use, installation, maintenance, and operation of the device, and such safety
regulations must be followed. The responsible personnel must install the SL-R12EX in strict compliance
with such safety regulations.
• The responsible personnel must train the assigned personnel for the correct use, installation, mainte-
nance, and operation of the SL-R12EX. “Machine operators” refers to personnel who have received
appropriate training from the responsible personnel and are qualified to operate the device correctly.
• Machine operators must receive specialized training for the SL-R12EX and must understand and follow
the safety regulations for the country or region in which they are using the SL-R12EX.
• When the SL-R12EX fails to operate properly, machine operators must immediately stop the use of the
device and report this fact to the responsible personnel.
• The SL-R12EX is designed with the assumption that it would be properly installed in accordance with the
installation procedures described in this instruction manual and operated according to the instructions in
this instruction manual. Perform an appropriate installation of the SL-R12EX after conducting a sufficient
risk assessment for the target machine.
• This device should be processed as an industrial waste product when being disposed.
WARNING
CAUTION
Important:
Note:
➮ Reference:
Tips
DANGER
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