1
E GS (Lock) IM
Safety Interlocking
Switch
GS (Lock)
Instruction Manual
This manual explains items such as the handling, operation, and precautions
for the Safety Interlocking Switch GS (Lock). Read this manual carefully and
thoroughly understand its contents to use the GS (Lock) to the full extent of its
capabilities.
Also, keep this manual in a safe place for future reference.
Ensure that the end user of this product receives this manual.
This manual is the original instruction manual.
Symbols
It indicates cautions and limitations that must be followed
during operation.
It indicates additional information on proper operation.
It indicates tips for better understanding or useful information.
Safety Precautions
General precautions
• When disposing the GS (Lock), always follow the applicable
requirements of the laws, rules, regulations and standards
in the country or region where the GS (Lock) is used.
• Dispose of this product as industrial waste.
Environment of use
Target machines for installation
Circuit design and wiring
Precautions on Regulations and Standards
CE Marking
KEYENCE Corporation has confirmed that this product complies with the
essential requirements of the applicable EU Directive(s), based on the
following specifications. Be sure to consider the following specifications when
using this product in the Member States of European Union.
• Machinery Directive
• RE Directive
The GS (Lock) is a safety component defined in the EU Machinery Directive
Annex V and has been certified by TÜV SÜD Product Service GmbH. The GS
(Lock) complies with the following EN Standards.
• EN 61508
• EN 62061
• EN ISO13849-1
• EN ISO14119
• EN 60947-5-3
• EN300 330
The full text of the EU declaration of conformity is available at the following
internet address: http://www.keyence.com/cedoc
• Frequency band of operation 123kHz
• Maximum radio-frequency power 60 dBμV/m
These specifications do not give any guarantee that the end-product with this
product incorporated complies with the essential requirements of RE and
Machinery Directive. The manufacturer of the end-product is solely
responsible for the compliance on the end-product itself according to these
Directives.
CSA Certificate and North American Regulations
The GS (Lock) complies with the following UL and CSA standards and
regulations, and has received CSA certification.
Applicable standards:
• CAN/CSA C22.2 No. 61010-1
• UL61010-1
Be sure to consider the following specifications when using this product as a
product certified by CSA.
• Overvoltage category II
• Pollution degree 3
• Install this product at the altitude of 2000 m or less.
• Indoor use only.
• When using this product, use the following power supply. CSA or UL
certified power supply that provides Class 2 output as defined in the CEC
(Canadian Electrical Code) and NEC (National Electrical Code).
Applicable standard:
• FCC Part15 Subpart B, Class A Digital Device
• FCC Part15 Subpart C
• ICES-003, Class A Digital Apparatus
• RSS-210
Detailed information and use of the GS (Lock) is also described in the "GS
(Lock) User's manual". In order to acquire the "GS (Lock) User's manual",
download it from the KEYENCE website or call the nearest KEYENCE office.
<KEYENCE website> www.keyence.com/global.jsp
It indicates a hazardous situation which, if not avoided, will
result in death or serious injury.
It indicates a situation which, if not avoided, could result in
product damage as well as property damage.
• KEYENCE does not guarantee the function or performance
of the GS (Lock) if it is used in a manner that differs from
the GS (Lock) specifications contained in this manual or if
the GS (Lock) is modified by the customer.
• The GS (Lock) can only be used in combination with
dedicated actuators. It cannot be used in combination with
other actuators or similar devices.
• Do not bypass the GS (Lock), remove it or change its
installation orientation after installation.
• Do not use a replacement actuator to bypass the GS (Lock).
Store replacement actuators strictly to prevent their easy
access.
• When using the GS (Lock) to protect machine operators
against a hazard or hazardous zone or when using the GS
(Lock) as a safety component for any purpose, always
follow the applicable requirements of the laws, rules,
regulations and standards in the country or region where
the GS (Lock) is used. For such regulations, you should
directly contact the regulatory agency responsible for
occupational safety and health in your country or region.
•
Depending on the type of machine on which the GS (Lock) is
installed, there may be special safety regulations related to
the use, installation, maintenance, and operation of the safety
component. In such a case, you must fulfill such safety
regulations. The responsible personnel must install the GS
(Lock) in strict compliance with such safety regulations.
• The responsible personnel must do the training to the
assigned personnel for the correct use, installation,
maintenance, and operation of the GS (Lock).
• The user of the machine must receive specialized training
related to the GS (Lock), and must then understand and
adhere to the safety restrictions, laws, and regulations in
the country or area in which the GS (Lock) is being used.
• If the GS (Lock) does not operate correctly, the user of the
machine must report this information to the party
responsible for the use of the GS (Lock) and immediately
stop the machine.
• The GS (Lock) is designed with the assumption that it would
be correctly installed in accordance with the installation
procedures described in this manual and correctly operated
according to the instructions in this manual. You must
perform an appropriate installation of the GS (Lock) after
performing a sufficient risk assessment for the target
machine.
• Be sure to absolutely confirm that there is nobody in the
hazardous zone, before you remove the GS (Lock) from the
machine for replacement or disposal.
• Machine builder must consider the time the machine with
inertia takes to stop.
• Do not use the GS (Lock) in an environment (temperature,
humidity, interfering light, etc.) that does not conform to the
specifications contained in this manual.
• Do not use a device that emits strong electromagnetic
waves near the GS (Lock).
• This product is not intended for use as an explosion-proof
product. Do not use this product in a hazardous location
and/or potentially explosive atmosphere.
• Do not use the GS (Lock) in the presence of substances,
such as heavy smoke, particulate matter, or corrosive
chemical agents, that may induce deterioration in product
quality.
• Be sure to absolutely confirm that there is nobody in the
hazardous zone, before the interlock is released (i.e. the
machine system restarts) by the interlock reset mechanism.
• Indoor use only.
• It must be possible to perform an emergency stop on the
machine to which the power-to-lock type GS (Lock) is
installed at any and all operation points during the
operation cycle. Also, do not use the power-to-lock type GS
(Lock) on machines that have irregular stop times.
• Do not use the GS (Lock) to control (stop forward motion,
etc.) trains, cars and other transportation vehicles, aircraft,
equipment for use in space, medical devices, or nuclear
power generation systems.
• Be sure to turn the power supply off before performing
electrical wiring.
• Perform electrical wiring according to the electrical
standards, regulations and laws in the country or area in
which the GS (Lock) will be used.
• Use cables with length less than or equal to the
specification in this manual. Usage of cables longer than
the specified length may cause the improper operation of
safety functions and may cause a dangerous situation.
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