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Introduction
The GuardShield Type 2 safety light curtain is a general purpose
presence sensing device, designed for use on hazardous machinery
providing point of operation, as well as, perimeter and access detection.
It is a self-contained, two box, Type 2 ESPE (Electro Sensitive Protective
Equipment).
The GuardShield Type 2 is offered in either guard only mode or with a
restart interlock and EDM.
These installation instructions are designed
IMPORTANT
to address the technical personnel of the
machine manufacturer and or the installer of
the safety system regarding the proper
mounting, configuration, electrical
installation, commissioning, operation and
maintenance of the GuardShield Type 2
safety light curtain.
These installation instructions do not provide
instruction for the operation of machinery to
which the GuardShield Type 2 safety light
curtain is, or will be, integrated. Only
qualified personnel should install this
equipment.
Safety Precautions
Principles for Safe Use and Symbols Used
The following instructions are preventive warnings for the proper
operation of the GuardShield Type 2. These instructions are an essential
part of the safety precautions and therefore have to be observed at any
time.
Throughout this manual we use the labels ATTENTION and
IMPORTANT to alert you to the following:
ATTENTION
Failure to observe may result in dangerous operation
ATTENTION: Identifies information about
practices of circumstances that can lead to personal injury or death,
property damage, or economic loss.
ATTENTION helps you
• Identify a hazard
• Avoid a hazard
• Recognize the consequences
IMPORTANT: Identifies information that is especially important for
successful application and understanding of the product.
Potentially hazardous situation, which, if not
ATTENTION
prevented, might lead to serious or deadly
injury.
Failure to observe may result in dangerous
operation.
GuardShield™ Type 2 Safety Light Curtain Installation Instructions
The GuardShield Type 2 may be used in safety applications in which a
risk analysis according to ANSI TR.3, ANSI/RIA 15.06, pr EN 1050 or
EN 959-1 have reached Category 2.
ATTENTION
maintained at all times.
Additional mechanical protective devices have to be
installed in a way that hazardous machine elements cannot
be reached without passing through the protective field.
The GuardShield Type 2 has to be installed in a way that
operators can only operate within the sensing area.
Improper installation can result in serious injury.
Never connect the outputs to +24V DC. If the outputs are
connected to +24V DC, they are in ON-state and cannot stop
hazardous spots at the machine/application.
Never expose the GuardShield Type 2 to flammable or
explosive gases.
Regular safety inspections are imperative (see maintenance).
Do not repair or modify the GuardShield Type 2. The
GuardShield Type 2 safety light curtain is not field repairable
and can only be repaired at the factory. Removal of either of
the GuardShield Type 2 endcaps will void the warranty terms
of this product.
Specialist Personnel
The GuardShield Type 2 safety light curtain must be installed,
commissioned and serviced only by a qualified person. A qualified
person is defined as a person who:
• Has undergone the appropriate technical training
and
• Who has been instructed by the responsible machine operator in
the operation of the machine and the currently valid safety
guidelines
and
• Who has read and has ongoing access to these installation
instructions
Original instructions
The GuardShield Type 2 must not be used
with machines that cannot be stopped
electrically in an emergency.
The safety distance between the GuardShield
Type 2 and a dangerous machine movement
3
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