GuardShield PAC Type 4 Safety Light Curtain User Manual

GuardShield PAC Type 4 Safety Light Curtain User Manual
GuardShield™ PAC Type 4
(Perimeter Access Control)
Safety Light Curtain
User Manual
Important User Information
Because of the variety of uses for the products described in this publication, those responsible for the
application and use of this control equipment must satisfy themselves that all necessary steps have been
taken to assure that each application and use meets all performance and safety requirements, including
any applicable laws, regulations, codes and standards.
The illustrations, charts, sample programs and layout examples shown in the guide are intended solely for
purposes of example. Since there are many variables and requirements associated with any particular
installation, Rockwell Automation does not assume responsibility or liability (to include intellectual property
liability) for actual use based upon the examples shown in this publication.
Rockwell Automation publication SGI-1.1, Safety Guidelines for the Application, Installation and
Maintenance of Solid-State Control (available from your local Rockwell Automation sales office), describes
some important differences between solid-state equipment and electromechanical devices that should be
taken into consideration when applying products such as those described in this publication.
Reproduction of the contents of this copyrighted publication, in whole or part, without written permission
of Rockwell Automation, is prohibited.
Throughout this manual we use notes to make you aware of safety considerations:
WARNING
IMPORTANT
ATTENTION
Identifies information about practices or circumstances that can cause an explosion in
a hazardous environment, which may lead to personal injury or death, property
damage, or economic loss.
Identifies information that is critical for successful application and understanding of
the product.
Identifies information about practices or circumstances that can lead to personal
injury or death, property damage, or economic loss. Attentions help you identify a
hazard, avoid a hazard, and recognize the consequences.
SHOCK HAZARD
Labels may be on or inside the equipment (for example, drive or motor) to alert people
that dangerous voltage may be present.
BURN HAZARD
Labels may be on or inside the equipment (for example, drive or motor) to alert people
that surfaces may reach dangerous temperatures.
It is recommended that you save this user manual for future use.
GuardShield™ PAC Safety Light Curtain Installation Instructions
Conditions required for proper use of the
GuardShield PAC Safety Light Curtain
Please make sure you read and understand these requirements before you select and install the
GuardShield PAC safety light curtain. GuardShield PAC safety light curtains are perimeter access
safeguarding devices. These safety light curtains are intended to be used to provide perimeter access
safeguarding of personnel around a variety of machinery.
The GuardShield PAC family of safety light curtains are general purpose presence sensing devices
which are designed to protect personnel working on or near machinery.
The installation of the GuardShield PAC safety light curtains must comply with all applicable federal,
state, and local rules, regulations, and codes.
It is the responsibility of the employer to properly install, operate and maintain the product as well as
the machinery on which the GuardShield PAC presence sensing device is installed.
GuardShield PAC safety light curtains must be properly installed by qualified personnel.
GuardShield PAC safety light curtains are presence sensing devices and will not protect personnel
from heat, chemicals, or flying parts. They are intended to signal a stop of hazardous machine motion
when the sensing field is broken.
GuardShield PAC safety light curtains can only be used on or around machinery which can be
stopped anywhere in its stroke or cycle.
GuardShield PAC safety light curtains should never be used for guarding full revolution clutched
machinery.
The effectiveness of the GuardShield PAC safety light curtains depend upon the integrity of the
machine control circuit. The machinery that the GuardShield PAC presence sensing device is installed
on should have control circuitry that is fail safe in design.
All stopping mechanisms for the machinery should be inspected regularly to ensure proper
operation. The protected machinery must have a consistent reliable and repeatable stopping time.
ATTENTION
Failure to read and follow these instructions can lead to misapplication or misuse of the
GuardShield safety light curtains, resulting in injury and damage to equipment.
Original instructions
1
GuardShield™ PAC Safety Light Curtain Installation Instructions
Table of Contents
Safety Instructions—Maintenance . . . . . . . . . . . . . . . . . 22
GuardShield PAC Safety Light Curtain . . . . . . .3
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Principles of Safe Use and Symbols Used. . . . . . . . . . . . . . . . . . . . 4
Daily Inspection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Six-month Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Model Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Specialist Personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Range of Uses of the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Proper Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
General Protective Notes and Protective Measures . . . . . . . . . . 4
IMPORTANT: Save these instructions for
use at a future time.
Product Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Special Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Light Curtain Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . 5
Examples of Range of Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Safety Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Generally recognized technical regulations and quality
assurance system ISO 9000 are carefully applied during the
development and production of Allen-Bradley/Guardmaster
products.
Installation and Mounting . . . . . . . . . . . . . . . . . . . . . . . . . 11
This technical description must be followed when installing
and commissioning the GuardShield PAC. Inspection and
commissioning must be carried out by a qualified person.
Response Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Determining the Safety Distance. . . . . . . . . . . . . . . . . . . . 9
US Safety Distance Formula . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
OSHA Safety Distance Calculation Formula . . . . . . . . . . . . . . . . . 9
The ANSI Safety Distance Formula . . . . . . . . . . . . . . . . . . . . . . . . . 10
European Safety Distance Formula . . . . . . . . . . . . . . . . . . . . . . . . 10
Multiple GuardShield PACs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Mounting Brackets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Rockwell Automation reserves the right to make changes or
revisions to the material contained in this publication and cannot
be held liable for incidental or consequential damages resulting
from the furnishing, performance or use of this material.
Electrical Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
System Status Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Teach Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
This manual covers the operation and installation of the:
• Standard GuardShield PAC light curtain
• GuardShield PAC with Integrated Laser Alignment system
• GuardShield PAC with Integrated Laser Alignment and
ArmorBlock Guard I/O connectivity
2
Original instructions
GuardShield™ PAC Safety Light Curtain Installation Instructions
GuardShield PAC Safety Light Curtain
Selectable functions of GuardShield PAC with ArmorBlock Guard I/O connectivity:
• Beam coding
Introduction
The GuardShield PAC safety light curtain is a multiple beam,
presence sensing device designed for perimeter or access
detection around hazardous machinery or equipment The
GuardShield PAC is a Type 4 AOPD per IEC 61496. It is a self
contained, optically synchronized, two box (transmitter and
receiver) safety light curtain with dip switch selectable operating
modes.
The GuardShield PAC safety light curtain consists of a nonmatched pair of optic units, i.e., transmitter and receiver. The
transmitter and receiver operate on +24V DC. The maximum
distance between transmitter and receiver is referred to as the
protective field width or range. The protective field height is the
distance between the first and last beam in the device.
The transmitter emits sequential pulses of infrared light which are
received and processed by the GuardShield PAC receiver. The
synchronization of the timing of the emission and reception of
infrared light pulses is accomplished optically by the first beam
adjacent to the GuardShield PAC status LEDs. This beam is
referred to as the synchronization beam. Because the
GuardShield PAC transmitter and receiver are optically
synchronized, no electrical connection is required between the
transmitter and receiver.
The GuardShield PAC receiver has two safety outputs, Output
Signal Switching Devices (OSSDs) and one nonsafety auxiliary
output. When the GuardShield PAC transmitter and receiver are
properly powered and aligned, all OSSDs are current sourcing
+24V DC with a switching capacity of 500 mA. The two safety
OSSDs are cross monitored and short-circuit protected.
Interruption of the sensing field causes the receiver to switch the
sourced current OFF (0V DC).
Range of Uses of the Device
The GuardShield PAC safety light curtain is classified as electrosensitive protective equipment (ESPE). The maximum protective
field width is 16m (52.5ft) for the GuardShield PAC.
The device is a Type 4 ESPE as defined by IEC 61496-1 and CLC/TS
61496-2 and is therefore allowed for use with controls in safety
category Type 4 in compliance with EN ISO 13849, SIL CL3 in
accordance with EN 62061 or up to PLe in accordance with EN ISO
13849. The device is suitable for:
• Hazardous area protection
• Access protection
Access to the hazardous point must be allowed only through the
protective field. The machine/system is not allowed to start as
long as personnel are within the hazardous area. Refer to the
“Examples of Range of Use” on page 6 for an illustration of the
protection modes.
The GuardShield PAC is intended as a perimeter or access
protection device for a whole body detection and can not be used
in horizontial detection applications as it may be possible for
personnel to step between the beams and access the hazard
without being detected.
Depending on the application, mechanical protection devices
may be required in addition to the safety light curtain.
IMPORTANT
Restoring the GuardShield PAC sensing field, (in Guard only
configuration) causes all outputs (OSSDs) to switch to the active
high state (resume current sourcing +24V DC with a switching
capacity of 500 mA).
The GuardShield PAC is offered in a number of configurations
based on a standard Type 4 safety light curtain platform.
In addition to the standard GuardShield PAC, the GuardShield PAC
is offered with an integrated laser alignment system or with an
integrated laser alignment system with connectivity to
ArmorBlock Guard I/O. The ArmorBlock Guard I/O optim allows
network connectivity providing OSSDs over a DeviceNet™ or
DeviceNet safety network. The ArmorBlock™ Guard I/O option is
only available in GuardShield PACs with integrated laser
alignment systems.
Selectable functions of the GuardShield PAC and GuardShield PAC
with integrated laser alignment are:
• Beam coding
• EDM (External Device Monitoring)
• Start interlock
• Restart interlock
These installation instructions are designed
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 safety light
curtain.
These installation instructions do not provide
instruction for the operation of machinery to
which the GuardShield safety light curtain is,
or will be, integrated. Only qualified
personnel should install this equipment.
IMPORTANT
Additional measures may be necessary to
ensure that the ESPE does not fail to danger
when other forms of light radiation are
present in a particular application (i.e., use of
cableless control devices on cranes, radiation
from weld spatter or effects from strobe
lights).
GuardShield PAC Laser Alignment
The laser light source in the integrated laser alignment system of
the GuardShield PAC light curtains is a Class 1, eye safe laser diode
with a wavelength of 670 nm.
Original instructions
3
GuardShield™ PAC Safety Light Curtain Installation Instructions
This Class 1, eye safe laser is switched from a low output power
state to a high output power state (and back again) by means of
control circuitry which detects reflected laser light from a
temporary blockage of the emitted laser light. This is most
commonly accomplished by a person’s finger placed over the
laser overlay window. There is also an automatic shutdown
feature that switches the laser diode from the high power state to
the low power state, if there is no finger or other interruption
detected for a period of five minutes.
During the high output mode of operation, the laser is pulsed at a
rate of approximately 2 Hz in order to facilitate finger detection in
high ambient light conditions.
ATTENTION
Use of controls or adjustments or
performance of procedures other than those
specified herein, may result in hazardous
radiation exposure.
Safety Precautions
Principles for Safe Use and Symbols Used
The following instructions are preventive warnings to ensure the
safe and proper operation of the GuardShield PAC. 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
machines that cannot be stopped electrically
in an emergency.
The safety distance between the GuardShield
and a dangerous machine movement has to
be 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 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 to flammable or explosive
gases.
Regular safety inspections are imperative (see maintenance).
Do not repair or modify the GuardShield. The GuardShield
safety light curtain is not field repairable and can only be
repaired at the factory. Removal of either of the GuardShield
endcaps will void the warranty terms of this product.
Specialist Personnel
The GuardShield PAC 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
Proper Use
IMPORTANT: Identifies information that is especially important
for successful application and understanding of the product.
ATTENTION
ATTENTION The GuardShield PAC must not be used with
Potentially hazardous situation, which, if not
prevented, might lead to serious or deadly
injury.
Failure to observe may result in dangerous
operation.
The GuardShield PAC safety light curtain must be used only as
defined in the “Range of Uses of the Device.” It must be used only
by qualified personnel and only on the machine where it has been
installed and initialized by qualified personnel.
If the device is used for any other purposes or modified in any
way, warranty claims against Allen-Bradley Guardmaster shall
become null and void.
General Protective Notes and
Protective Measures
IMPORTANT
Safety Notes
Please observe the following items in order to
ensure the proper and safe use of the
GuardShield safety light curtain.
4
Original instructions
GuardShield™ PAC Safety Light Curtain Installation Instructions
• The national/international rules and regulations apply to
the installation, use and periodic technical inspections of
the safety light curtain, in particular:
♦ Machine Directive 98/37/EEC
♦ Equipment Usage Directive 89/655/EEC
♦ The work safety regulations/safety rules
♦ Other relevant health and safety regulations
Manufacturers and users of the machine with which the
safety light curtain is used are responsible for obtaining and
observing all applicable safety regulations and rules.
• The notices, in particular the test regulations of these
installation instructions (e.g. on use, mounting, installation
or integration into the existing machine controller) must be
observed.
• The tests must be carried out by specialist personnel or
specially qualified and authorized personnel and must be
recorded and documented to ensure that the tests can be
reconstructed and retraced at any time.
• The installation instructions must be made available to the
user of the machine where the GuardShield PAC safety light
curtain is installed. The machine operator is to be instructed
in the use of the device by specialist personnel and must be
instructed to read the installation instructions.
referred to as the synchronization beam. Because the GuardShield
PAC’s transmitter and receiver are optically synchronized, no
electrical connection is required between the transmitter and
receiver.
The GuardShield PAC’s receiver has two safety outputs, OSSDs
(Output Signal Switching Devices) and one nonsafety auxiliary
output. When the GuardShield PAC’s transmitter and receiver are
properly powered and aligned, all OSSDs are current sourcing
+24V DC with a switching capacity of 500mA. The two safety
OSSDs are cross monitored and short-circuit protected.
Interruption of the sensing field causes the Receiver to switch the
sourced current Off (0V DC).
Restoring the GuardShield PAC’s sensing field, (in Guard only
configuration) causes all outputs (OSSDs) to switch to the active
high state (resume current sourcing +24V DC with a switching
capacity of 500mA).
The GuardShield PAC Light Curtain
The GuardShield PAC safety light curtain consists of a transmitter
and a receiver.
Transmitter
Receiver
Product Description
This section provides information on the special features and
properties of the safety light curtain. It describes the structure
and functions of the unit, in particular the different operating
modes.
® Please read this section before mounting, installing and
commissioning the unit.
Special Features
•
•
•
•
•
Start interlock
Restart interlock
External Device Monitoring (EDM)
Machine test signal
Beam coding
GuardShield Light Curtain
Principle of Operation
The GuardShield PAC safety light curtain consists of a
nonmatched pair of optic units, i.e. transmitter and receiver with
the same number of beams and spacings. The transmitter and
receiver operate on +24V DC. The maximum distance between
the transmitter and receiver is referred to as the protective field
width or range. The protective field height is the distance
between the first beam and the last beam in the device.
Figure 1: Components of the GuardShield PAC
The individual beams of the GuardShield PAC are identified by
markings on the housings.
The width of the protective field is derived from the length of the
light path between sender and receiver and must not exceed the
maximum rated width of the protective field 16 m (52.5 ft).
The GuardShield PAC is also offered with an integrated laser
alignment system which has a constantly powered Class 1, eye
safe laser located in the top of the GuardShield PAC transmitter
and in the bottom of the GuardShield PAC receiver. Each Class 1,
eye safe laser emits a low level of visible light. Simply blocking this
light below the finger symbol causes the light to be reflected back
to a photo sensor which changes the condition of the laser light. If
this light is at a low level, interrupting it will cause the laser to emit
a highly visible level of light. Interrupting the visible light in the
same location will cause the laser to switch to a low level of
emission. The emission of visible light will also change to a low
level after five minutes of activation.
Across from each laser is a target used to help with the alignment
of the GuardShield PAC pair. Positioning the visible light in the
center of the top and bottom targets will position the
GuardShield PAC pair for optimal alignment.
The transmitter emits sequential pulses of infrared light, which
are received and processed by the GuardShield PAC receiver. The
synchronization of the timing of the emission and reception of
infrared light pulses is accomplished optically by the first beam
adjacent to the GuardShield PAC’s status LEDs. This beam is
Original instructions
5
GuardShield™ PAC Safety Light Curtain Installation Instructions
Examples of Range of Use
The GuardShield PAC safety light curtain operates as a proper
protective device only if the following conditions are met:
• The control of the machine must be electrical.
• The controlled machine must be able to be stopped any
where in the machines stroke or cycle.
• The transmitter and receiver must be mounted such that
access to the hazard is only through the light curtain’s
protective field.
• The restart button must be located outside the hazardous
area such that it cannot be operated by a person working
inside the hazardous area.
• The statutory and local rules and regulations must be
observed when installing and using the device.
system is required. Resetting of the system is accomplished
through a momentary N.O. push button or key switch.
Configuration and activation of this mode of operation is through
dip-switch settings. The Restart Interlock mode is indicated by the
illumination of a yellow LED on the GuardShield PAC’s receiver.
IMPORTANT
Restart interlock should always be configured
for the GuardShield PAC light curtains. The
reset switch should be located outside of the
work cell and positioned so that a clear view
of the work cell is possible.
Restart interlock is not available in
GuardShield PAC light curtains with
ArmorBlock Guard I/O connectivity. this
functionality must be configured and
through the safety PLC.
Safety Functions
The GuardShield PAC safety light curtain offers a variety of
functions, which are integral to the system.
Operating modes, functions and features of the GuardShield PAC
system are activated through dip switch settings.
IMPORTANT
The protective system must be tested for
proper operation after each and every
change to the configuration.
Guard Only
When in the guard only mode of operation, the light curtain
operates as an on/off device, meaning the OSSD outputs switch
off/on according to an obstruction or clearing of the detection
field. The GuardShield PAC is shipped from the factory in the
guard only mode.
Start Interlock
The start interlock prevents the OSSD outputs from switching to
ON state after power up of the system with the protective field
unobstructed. A manual reset of the system is required for the
GuardShield PAC to enter the ON state.
This can be accomplished by one of two methods.
• Actuation of a momentary N.O. push button
• Interruption and restoration of the protective field within
one second.
Activation of this mode of operation and selection of the resetting
method is through dip-switch settings. Indication of this mode of
operation is through illumination of a yellow LED on the
GuardShield PAC’s receiver.
IMPORTANT
Start interlock is not available in GuardShield
PAC light curtains with ArmorBlock Guard I/O
connectivity.
Restart Interlock
The restart interlock mode of operation prevents the OSSD
outputs from switching to ON after interruption and clearance of
the protective field. A manual reset of the GuardShield PAC
6
It is not possible to have both “Start Interlock”
and “Restart Interlock” configured at the
same time in the GuardShield PAC.
Configuring “Restart Interlock” behaves the
same as “Start Interlock” at power up, i.e., a
reset of the system is required at power up.
External Device Monitoring (EDM) or Machine
Primary Control Element (MPCE) Monitoring
The External Device monitoring function (EDM) is an input signal
to the GuardShield receiver from the Final Switching Device (FSD),
usually relay contactors, which control the hazardous motion of
equipment or machinery. The EDM circuit is required to see a
change of state of the FSD within 300ms of the restoration of the
GuardShield’s sensing field after its interruption. Detection of an
unsafe condition such as a welded contact causes the
GuardShield receiver to go to a lockout condition (OSSDs OFF).
The activation and use of this GuardShield functionality usually
allows the GuardShield’s OSSDs to be connected directly to a
machine’s FSD and attain a Category 4 safety circuit. It is necessary
to have the EDM circuit connected to two separate FSDs which
are wired in series to attain the Category 4 rating. Activation of
this functionality is accomplished by setting the EDM dipswitch
no. three to the OFF position and then performing the “Teach”
function. It is also necessary to connect the GuardShield receiver’s
EDM (yellow) wire to a N.C. output from the FSD.
IMPORTANT
EDM is not available in GuardShield PAC light
curtains with ArmorBlock Guard
I/O connectivity.
System Testing
The GuardShield PAC performs a complete system self-test at
power up and switches to the ON state if the system is properly
aligned and the protective field is unobstructed and the start/
restart interlock modes of operation are deactivated.
External Test (Machine Test Signal)
A test cycle of the system can be triggered by an external test
signal to the GuardShield PAC’s transmitter. Supplying or
removing a signal (+24V DC) via a N.C. or N.O. switch at the test
input deactivates the transmitter for the duration of the test
signal, simulating an interruption of the protective sensing field.
Original instructions
GuardShield™ PAC Safety Light Curtain Installation Instructions
The test input must be configured via a dip-switch located in the
GuardShield PAC transmitter.
Figure 2 is an example of a GuardShield PAC three-beam safety
light curtain used as an opto-electronic fence with corner mirror
columns.
Beam Coding
Figure 3 is an example of a GuardShield PAC three beam with four
retroreflective sensors and an external muting module.
If several safety light curtains are operating in close proximity to
one another, it is possible that the transmitter’s infrared light from
one GuardShield PAC system is “seen” by another GuardShield
PAC system’s receiver. This would cause a “nuisance” stop. To
prevent this optical interference, the GuardShield PAC has the
ability to have the transmitter generate different beam patterns,
which is referred to as “Beam coding.” Selection and activation of
beam coding is accomplished through dip-switch settings in both
the transmitter and receiver.
GuardShield
GuardShield
PAC
Transmitter
PAC
Receiver
The following settings are available in the GuardShield PAC safety
light curtain; noncoded and coded.
IMPORTANT
Beam coding improves resistance to optical
interference.
Beam coding increases the system’s response
time, which may also increase the required
safety distance. Refer to Safety Distance
calculations on page 9 of this manual.
Corner Mirror
Figure 2: GuardShield PAC three beam with corner mirror columns
Work
Piece
Power
Supply
Applications and Application Requirements
Applications
Work
Piece
The GuardShield PAC multi-beam safety light curtain may be used
as an opto-electronic fence; detecting the presence of personnel
as they pass through the sensing field or for safeguarding access
to a hazardous area or machine process. Used in combination
with corner mirrors, the GuardShield PAC multi-beam safety light
curtains provide multiple-side access detection.
When using corner mirrors to protect multiple sides of a machine
or work cell, the GuardShield PAC with integrated laser alignment
is the preferred solution. Activation of visible laser light allows
positioning and adjustment of the transmitter, receiver and
corner mirrors.
A typical system configuration for access detection to a hazardous
area or machine process is to have the GuardShield PAC multibeam safety light curtain connected to an external module along
with two or four sensors. The external module allows material to
pass through the GuardShield PAC multi-beam’s sensing field
without stopping the machine or equipment as long as the
muting conditions are met. As the material is moving through the
process, the GuardShield PAC multi-beam’s sensing field is
interrupted and the outputs switch to the OFF state. However, if
the muting module sensors are interrupted with the proper
timing, the module disregards the GuardShield PAC multi-beam’s
outputs and remains in the ON condition, allowing the machinery
or equipment to continue operation.
If the muting sensors are not interrupted and maintained in the
required timing and or sequence, the muting module will switch
OFF when the GuardShield PAC multi-beam’s sensing field is
interrupted.
Roller Work Path
Muting
Module
Figure 3: GuardShield PAC three beam with muting module
Application Requirements
The protective functions of the PAC can only be used properly
when the following conditions are satisfied:
• The machine or installation must be controlled electrically.
• It must be possible to stop hazardous machine movement.
• The PAC must be installed so that entry into the danger
zone interrupts one or more of the light beams.
The light beam diameter of 23 mm (0.90 in.) must be fully
covered, to assure a change in state of outputs.
Release can only be achieved with the use of a restart switch.
The restart switch must be located such that it cannot be pressed
from inside the danger zone.
The GuardShield PAC should be mounted such that upon
interruption of the light beam, the dangerous location can only
be reached if the dangerous condition of the machine has been
stopped. The requirement for this is that there is a proper safety
Original instructions
7
GuardShield™ PAC Safety Light Curtain Installation Instructions
distance between the light beams and the nearest point of
danger.
Mounting Stand with Corner Mirror
Persons situated inside the danger zone, but outside the
protection field are not recognized. It must therefore be ensured
that a dangerous condition is only possible when there is nobody
present in the danger zone.
Receiver
The relevant legal and government regulations are to be
complied with the implementation of protection installations.
These regulations vary, depending on areas of application.
Corner Mirrors and Mounting Columns
The GuardShield two- and three-beam PACs can be used with one
or two corner mirrors to provide two- or three-sided protection.
The use of each corner mirror reduces the maximum range of the
GuardShield PAC by at least 10% per mirror.
Transmitter
It is possible to use full length corner mirrors (440L-AM075 series,
440L-AM125 series).
Rockwell also offers pedestal floor mounting stands (440LAMSTD) which will accommodate the mounting of the
GuardShield two- or three-beam PAC with the appropriate full
length corner or mirror column mirrors.
Mounting Stand with Corner Mirror
Transmitter
Receiver
Configuration is not allowed.
Mounting Stand with Corner Mirror
Transmitter
Receiver
Figure 4: Multi-sided access control to danger zones with PAC multibeam safety light barrier
8
Original instructions
GuardShield™ PAC Safety Light Curtain Installation Instructions
IMPORTANT
Determining Stop Time: The measurement of
stopping time (Ts) must include the stopping
times of all devices in the stop circuit. Not
including all device and control system
elements when calculating Ts will result in an
inaccurate safety distance calculation.
Determining the Safety Distance
The light curtain must be mounted with proper safety distance
• From the point of danger
• From reflecting surfaces
US Safety Distance Formula
ATTENTION
Figure 5: GuardShield three-beam PAC and corner mirrors mounted
to pedestal floor stands
The GuardShield PAC safety light curtains
must be mounted at a sufficient distance
from the hazardous motion to ensure that the
machine stops before a person’s body reaches
the hazard.
This distance, referred to as the safety distance, must be properly
calculated prior to mounting the light curtains around the
machinery. Failure to properly calculate this safety distance may
result in operator injury.
In the United States there are two formulas that are used to
properly calculate the safety distance. The first, the OSHA formula,
is the minimum requirement for the calculation of the safety
distance. The second formula, the one recommended by Rockwell
Automation, is the ANSI formula, which incorporates additional
factors to be considered when calculating the safety distance.
OSHA Safety Distance Calculation Formula
The OSHA safety distance formula as specified in CFR Subpart O
1910.217 is as follows:
Ds = 63 X TS
Figure 6: GuardShield two-beam PAC and corner mirrors mounted to
pedestal floor stands
Figures 5 and 6 show two- and three-beam GuardShield PACs
with two corner mirrors providing three-sided detection. Mirrors
are offered in either narrow or wide styles in heights to
accommodate two- or three-beam GuardShield PACs.
Ds
Safety Distance
63
Is the OSHA recommended hand speed constant in
inches per second
Ts
Is the total stop time of all devices in the safety circuit,
measured in seconds. This value must include all
components involved in stopping the hazardous
motion of the machinery. For a mechanical power press
it is the stopping time measured at approximately the
90º position of the crankshaft rotation.
Response Time
The response time of the two- and three-beam GuardShield PAC
safety light curtain is 20 ms without beam coding or 30 ms with
beam coding.
Original instructions
9
GuardShield™ PAC Safety Light Curtain Installation Instructions
IMPORTANT
The TS number must include the response
times of all devices, including the response
time of the safety light curtain, the safety light
curtain controller (if used), the machine’s
control circuit and any other devices that
react to stop the hazardous motion of the
machinery. Not including the response time
of a device or devices in the stop time
calculation will result in insufficient safety
distance for the application. This may result in
operator injury.
The ANSI Safety Distance Formula
The ANSI safety distance formula, which is the Rockwell
Automation recommended formula, is as follows:
Ds
K
DS = K x (TS + TC + Tr + Tbm) + Dpf
Minimum safety distance between the safe guarding
device and the nearest point of operation hazard, in
inches.
Hand speed constant in inches per second. The ANSI
standard value is 63 in. per second when the operator
begins reaching toward the point of operation hazard
from rest. NOTE: ANSI B11.19 1990 E4.2.3.3.5 states “The
value of the hand speed constant, K, has been
determined by various studies and although these
studies indicate speeds of 63 inches/second to over 100
in./second, they are not conclusive determinations. The
employer should consider all factors, including the
physical ability of the operator, when determining the
value of K to be used.”
Ts
Stop time of the machine tool measured at the final
control element.
Tc
Response time of the control system
Ds= 63 in./sec X ( 0.250 + 0.050+ 0.02) + 48 in.
Ds = 20.16 in. + 48 in.
Ds = 68.16 in. from hazardous motion
The GuardShield three beam PAC should be mounted at least 68.2
in. from the closest reachable hazard point of the protected
machinery or equipment.
European Safety Distance Formula
A safety distance must be maintained between the light curtain
and the point of danger. This safety distance ensures that the
point of danger can only be reached after the dangerous state of
the machine has been completely removed.
The safety distance as defined in EN ISO 13855 and EN ISO 13857
depends on:
• Stopping/run-down time of the machine or system. (The
stopping/run-down time is shown in the machine
documentation or must be determined by taking a
measurement.)
• Response time of the protective device
• The person’s speed of approach
• Resolution of the light curtain and/or beam separation
When using the GuardShield PAC three beam with 400 mm beam
spacing, EN 999 requires that the first beam should be mounted
at 300 mm above the floor. When mounted in this configuration, it
is necessary to add 850 mm as the value for “C” in the safety
distance calculation equation.
Note: Ts and Tc are usually measured by a stop time
measuring device.
Tr
Response time of the presence sensing device (safety
light curtain) and its interface, if any. This value is
generally stated by the device manufacturer or it can be
measured by the user.
Tbm
Additional time allowed for the brake monitor to
compensate for variations in normal stopping time.
Dpf
Depth penetration factor. It is an added distance to
allow for how far into the protective field an object, such
as a finger or hand, can travel before being detected. Dpf
is related to the safety light curtain’s object sensitivity.
Object sensitivity is the smallest diameter object which
will always be detected anywhere in the sensing field.
Figure 7: Safety distance from the point of danger
Example—Reach Over
In this example, the value of K is the hand speed constant of 63 in.
per second, the Ts machine stop time is 250 ms (0.250 sec), the
20% brake wear factor is 0.05 sec and the GuardShield PAC
response time is 20 ms (0.020 sec). The Dpf is 48 in. for reach over
applications.
10
Original instructions
GuardShield™ PAC Safety Light Curtain Installation Instructions
How to Calculate the Safety Distance S
According to EN ISO 13855 and EN ISO 13857:
® First, calculate S using the following formula:
S = 1600 × (Ts + Tr) + C
Where …
Ts = stopping/run-down time of the machine
+ response time of the protective device [s]
Tr = response time of the GuardShield PAC
S = safety distance [mm]
C = safety supplement
The effective aperture angle for the GuardShield PAC system is +/2.5° at a mounting distance of > 3.0 m (9.8 ft). Calculate the
minimum distance to reflecting surfaces depending on the
distance between the transmitter and the receiver, using an
aperture angle of +/- 2.5°, or take the appropriate value from the
following table:
Distance Between Transmitter and Receiver
(Range L) [m (ft)]
0.2 to 3.0 (0.65 to 9.8)
135 (5.31)
4.0 (13.1)
175 (6.88)
S = 1600 x (0.250 + 0.020) + 850 mm
S = 1600 x (0.270) + 850 mm
S = 432 + 850 mm
S = 1282 mm
Minimum Distance from Reflecting Surfaces
The infrared light from the sender may be reflected off of shiny
surfaces and be received by the system’s receiver. If this condition
occurs, it can result in an object not being detected when it enters
the GuardShield PAC’s sensing field.
All reflecting surfaces and objects (e.g. material bins) must
therefore be located at a minimum distance a from the protective
field of the system. The minimum distance a depends on the
distance D between sender and receiver.
a
220 (8.66)
6.0 (19.6)
265 (10.43)
7.0 (22.9)
310 (12.2)
440 (17.32)
16.0 (52.4)
700 (27.55)
Note: Note: formula: a = tan 2.5° x D [mm]
a = minimum distance to reflecting surfaces
D = distance between transmitter and receiver
Installation and Mounting
This section describes the preparation, selection and installation
of the GuardShield PAC safety light curtain.
The GuardShield PAC safety light curtain is suitable for most
operating environments (IP65 environmental rating). Proper
safety distance must be observed.
Distance D (meters)
Figure 8: Minimum distance from reflecting surfaces
How to Determine the Minimum Distance from the
Reflecting Surfaces:
® Read the minimum distance a [mm] from the graph:
5.0 (16.4)
10.0 (32.8)
IMPORTANT
® Determine the distance D [m] sender-receiver
Minimum Distance
a [mm (in.)]
The installation of the GuardShield PAC safety
light curtain must adhere to the ANSI
standard B11.19/E4.2.3.3.6, which requires
that a presence sensing device shall prevent
the operator or others from reasonably
reaching over, around, or under the sensing
field into the hazardous area. Auxiliary
safeguarding may be required in conjunction
with the GuardShield PAC to meet this
requirement.
Determine if the machinery, on which the GuardShield PAC is to
be mounted, meets the requirements as specified in the
beginning of this manual, i.e., machinery must be able to be
stopped anywhere in its stroke or cycle, consistently and
repeatedly.
The GuardShield PAC must be mounted at the proper distance
from the point of operation hazard. This distance is referred to as
the Safety Distance.
Figure 9: Graph, minimum distance from reflecting surfaces
ANSI/RIA 15.06 requires that the first beam of the GuardShield
PAC be mounted at 300 mm (12 in.) off of the floor in vertical
applications. The protective height of the GuardShield PAC three
beam is 820 mm. The combination of 300 mm (12 in.) and 820
mm equals 1120 mm which meets the ANSI/RIA 15.06
requirements of a “reach over” application. This requires that the
depth penetration factor (Dpf ) be 48 in. when performing the
safety distance calculation.
Original instructions
11
GuardShield™ PAC Safety Light Curtain Installation Instructions
The standard GuardShield PAC has an LED in the receiver which is
used as an alignment aid. This LED will begin flashing when the
infrared light from the transmitter is “seen” by the receiver. This
LED turns off when optimal alignment is attained. An external
laser (440L-ALAT) and mounting bracket (440L-AF6109) is offered
as an accessory for aligning the GuardShield PAC.
Alignment Procedure: Standard GuardShield PAC
Multiple GuardShield PACs
When two or more GuardShield PACs are mounted in close
proximity to one another, it may be possible for the receiver of
one GuardShield PAC pair to receive infrared light from the
transmitter of another GuardShield PAC pair. This optical
interference can be over come by the GuardShield PAC feature of
Beam Coding. Beam coding changes the pulse pattern of infrared
light emitted by a GuardShield PAC transmitter.
Mount and connect both transmitter and receiver. They must be
parallel to each other and be positioned at the same height.
Transmitters emit in opposite direction.
Each receiver receives only the beams of
the appropriate transmitter.
Turn on power to GuardShield PAC system.
Rotate the Transmitter while watching the amber LED on the
receiver to find the point where the indicator for the ON state
(Green LED) illuminates and the amber LED goes off.
Determine the maximum left and right turning angles and
position unit in center. Tighten all hardware assuring that the
alignment indicator is not illuminated.
Transmitters emit in same direction:
➡Coding necessary
Cycle power to assure that the system powers up and goes to the
ON state (alignment indicator is OFF)
The GuardShield PAC meets the requirements of IEC 61496 which
requires that the optics of the transmitter and receiver emit and
receive infrared light at a maximum of +/-2.5°. This requirement
creates a tight optical path of infrared light and as such may make
the GuardShield PAC somewhat difficult to align at maximum
range or when corner mirrors are being used in the application to
provide two or three sided perimeter guarding.
Noncoded
Coded
Positioning of the light curtain:
Transmitters emit in opposite direction.
When using the GuardShield PAC in perimeter guarding
applications, particularly with corner mirrors, it is best to use the
Allen Bradley GuardMaster laser alignment tool to ease the
alignment process. The laser alignment tool part number is 440LALAT. It is also necessary to use the GuardShield mounting
bracket (440L-AF6109) to mount the laser alignment tool to the
GuardShield PAC housing
The GuardShield PAC is also offered with an integrated laser
alignment system. Select the appropriate cat. nos. for this model
of GuardShield PAC.
Alignment Procedure for GuardShield PAC
with Integrated Laser Alignment
1. Properly locate the GuardShield PAC pair from the point of
operation hazard after performing the safety distance
calculation.
Figure 5: Multiple GuardShield PAC alignment options
Mounting Brackets
The GuardShield PAC is mounted using right angle brackets
attached to the endcaps of both transmitter and receiver. Each
GuardShield PAC is supplied with standard right angle mounting
brackets and self-threading screws. It may be necessary to use
additional brackets to mount the GuardShield PAC at a proper
safety distance from the machinery hazard.
2. Using the GuardShield PAC mounting brackets, mount the
transmitter and receiver so that they are facing one another
and are positioned in the same direction. A reference would be
that the indicator LEDs are opposite one another.
3. Turn on each laser by placing a finger or hand in front of each
laser.
4. Adjust the transmitter and receiver in such a way that both
visible laser beams hit the laser targets opposite each laser. A
small deviation from the center of the target is allowable.
12
Original instructions
GuardShield™ PAC Safety Light Curtain Installation Instructions
20
(0.79)
52 (2.04)
42
(1.65) 18.9
(0.74)
14.5
(0.57)
6.5 (0.26)
40 (1.57)
3.0
(0.11)
32
(1.25)
Figure 6: Mounting brackets
Shock Isolation Kits
Figure 8: Pedestal floor stand
Rockwell Automation offers a shock and vibration isolation kit
(440L-AF6120) for attenuating excessive shock and vibration in
vertical applications of the GuardShield PAC safety light curtain.
This kit is most effective in extending the operational life of the
GuardShield PAC safety light curtains in excessive shock and
vibration applications, particularly in applications where shock
levels can exceed 50 g.
Vertical
Application
Horizontal
Application
Electrical Installation
Connections
Power Supply
The external voltage supply (+24V DC) must meet the
requirements of IEC 61496-1. In addition, the following
requirements have to be fulfilled:
• A short-term power failure of 20 ms must be bridged by the
power supply.
• The power supply has double insulation between the
primary and the secondary side.
• The power supply is protected against overload.
• The power supply corresponds to the guidelines of the EWG
(industrial environment).
• The power supply corresponds to the Low Voltage
Directives.
• The grounded conductor of the power supply device must
be connected to a grounded conductor PE.
• The maximum deviation of the voltage levels is 24V DC +/20%.
Figure 7: Shock isolation kit
Rockwell Automation also offers pedestal floor stands for
mounting the GuardShield light curtains when the shock and
vibration levels of the equipment are excessively high. These
mounting stands isolate the GuardShield light curtains from
receiving the shock through the equipment, however, the area
immediately around the machine may also experience high levels
of shock and vibration therefore, it may be necessary to use the
shock mount kits when mounting the light curtains to the
mounting stands.
Original instructions
13
GuardShield™ PAC Safety Light Curtain Installation Instructions
Connections [mm (in.)]
Double Insulation
Basic Insulation (see
note)
Output (pink
and grey)
Guard
Shield
42 (1.7)
Basic Insulation
0V (blue)
+24V (brown)
K2
K1
K1
K2
Power
Supply Unit 2
Cables/Connectors
Unit 1
Hazardous voltage level
Basic Insulation
Re-inforced
insulation or
double insulation
Hazardous
voltage level
15
(0.57)
Motor, etc.
Hazardous
voltage level
The GuardShield PAC transmitter connector is a four-pin DC micro
connector offered in cable lengths from 2 to 30 meters. The
GuardShield PAC receiver connector is an 8-pin DC micro
connector offered in cable lengths of 2 to 30 meters.
GuardShield PAC Standard and GuardShield PAC with
ArmorBlock Guard I/O Connectivity
EDM Connection
Transmitter Connection
Face View of
Female DC Micro
Transmitter
Receiver
2
3
1
4
Signal
Color
Pin No.
Brown
1
Transmitter
+24V DC
White
2
No Connection
Blue
3
0V DC
Black
4
Machine Test Signal
Note: The transmitter is not expected to be connected to the
ArmorBlock Guard I/O module.
24V
k2
Contacts
Pin 4
k1
Contacts
5
6
k1
k2
Contactor
Coils
Receiver Connection
Face View of
Female DC Micro
Figure 9: Connecting the contact elements to the EDM
IMPORTANT
Standard GuardShield PAC Receiver Connector
Not available for GuardShield PAC with
ArmorBlock Guard I/O connectivity.
3
4
2
8
5
1
Transmitter
Receiver
7
6
Signal
Color
Pin No.
Receiver
White
1
Auxiliary Output
Brown
2
+24V DC
Green
3
Ground
Yellow
4
EDM
Grey
5
OSSD 1
OSSD 2
Pink
6
Blue
7
0V DC
Red
8
Start/Restart
GuardShield PAC Receiver Connector for ArmorBlock Guard I/O Connectivity
Signal
Top View
Reset/restart button
Pin 8
24V
24V
Figure 10: Connecting the reset button/restart button
IMPORTANT
14
Not available for GuardShield PAC with
ArmorBlock Guard I/O connectivity.
Original instructions
Color
Pin No.
Brown
1
Receiver
+24V
White
2
OSSD 2
Blue
3
0V
Black
4
OSSD 1
Grey
5
NC
GuardShield™ PAC Safety Light Curtain Installation Instructions
GuardShield PAC Receiver Interconnecting Patchcords to ArmorBlock I/O
Cat. No.
Description
889D-F5ACDM-0M3
5-pin M12 patchcord, 12 inches
889D-F5ACDM-1
5-pin M12 patchcord, 1 meter
889D-F5ACDM-2
5-pin M12 patchcord, 2 meters
889D-F5ACDM-5
6-pin M12 patchcord, 5 meters
889D-F5ACDM-10
7-pin M12 patchcord, 10 meters
Typical Wiring Diagram—Direct to Contactors
+24V DC
Transmitter
2
Brown
S2
Start/Restart
Receiver
8
5
Brown +
Red
L1 L2 L3
OSSD 1
Grey
K2
S1
Test
Machine
Test
Signal
6
Bulletin 100S
Safety Contactors
or 700S Safety Relays
OSSD 2
Pink
Black
K1
4
1
Yellow
7 Blue -
Blue
3
MPCE/EDM
M
White (Aux cht)
Green
Auxiliary
Signal
24V Ground
–
Nonsafety auxiliary output can be connected to a lamp, motor or status to a PLC.
Note: If MPCE/EDM is activated in the GuardShield PAC, the application requires a safety contactor. If MPCE/EDM is not used K1
& K2 can be standard contactors.
Original instructions
15
GuardShield™ PAC Safety Light Curtain Installation Instructions
Typical Wiring Diagram—To MSR127 Safety Relay Module
+24V
No Connection
Brown
1
4
Brown +
L1
Receiver
Transmitter
5
Grey
L3
7
Blue
OSSD 2
OSSD 1
3
Blue
L2
8
6
Pink
+24V
A1
S52
S12
13
23
33
41
K4
MSR127
A2
K5
K4
S21 S22
S34
14
24
34
42
K5
Reset
K4
M
K5
GuardShield Light Curtain Connected to MSR22LM with Two Sensor Muting
+24V DC
2 Brown
7 Blue
Receiver
Power
Maintained
P/B
K1
START
A1+
X44
5 Grey
1 Brown
3 Blue
Transmitter
6 Pink
Muting
Sensor
1
K2
S43
S44
S12
S14
S21 S22
S24 S23
Muting
Sensor
2
S31 S32 S34 S33
S41
S42
MSR22LM
440R-P23071
A2-
M1
M2
48
13
23
K1
K2
Muting
Lamp
33
34
Bulletin 100S
Safety Contactors
or 700S Safety Relays
24
14
58
Restart
Required
Lamp
DC Common
Original instructions
16
GuardShield™ PAC Safety Light Curtain Installation Instructions
GuardShield Light Curtain Connected to MSR22LM with Four Sensor Muting
+24V DC
2
7
K1
START
A1+
X44
5
Transmitter
6
Muting
Sensor
3
K2
S43
S44
1
3
Receiver
S12
S14
S21
Muting
Sensor
4
S22
S24
S23
Muting
Sensor
1
S31
S32
Muting
Sensor
2
S34
S33
S41
S42
MSR22LM
440R-P23071
NOTES:
1. Muting sensors are N.C. PNP type
2. Wire reset switch to S43 & S44 when
external monitoring is not required. Terminal
X44 is not used.
3. Muting lamp must meet the following
current specs:
Minimum current: 25 mA
Maximum current: 100 mA
A2-
M1
M2
48
13
Muting
Lamp
23
K1
K2
31
32
24
14
58
Restart
Required
Lamp
Bulletin 100S
Safety Contactors
or 700S Safety Relays
DC Common
GuardShield Light Curtain Connected to MSR42/MSR45E with Two Sensor Muting
+24V DC
Brown
Brown
1
2
MSR42
Lamp
Pink
6
Grey
13
GPIO 4
OSSD 1
7 5
3
Blue
OSSD 2
MSR45E
+24V
GPIO 3
Blue
GPIO 2
Sen 2
Sen 1
14
23
GPIO 1
Reset/MDO
IN 1
24
K1 K2
EDM
IN 2
0V
K1
K2
0V DC
Note: It is necessary to use the optical interface (445L-AF6150) to program the MSR42.
Original instructions
17
GuardShield™ PAC Safety Light Curtain Installation Instructions
GuardShield Light Curtain Connected to MSR42 with Two Sensor Muting
+24V DC
Brown
Brown
1
2
MSR42
Lamp +24V
Pink
OSSD 2
Grey
OSSD 1
6
7 5
3
Blue
GPIO 4
GPIO 3
Blue
GPIO 2
Sen 2
OSSD 2
GPIO 1
Sen 1
Reset/MDO
K1 K2
EDM
IN 1
OSSD 1
IN 2
0V
K1
K2
0V DC
Note: It is necessary to use the optical interface (445L-AF6150) to program the MSR42.
Original instructions
18
GuardShield™ PAC Safety Light Curtain Installation Instructions
System Configuration
Receiver—Factory Settings
DIP-Switch Selection Settings—Transmitter
Switch Function
1
Mode Activation—Combination
activates
one of the following modes:
Guard only, Start interlock,
Restart Interlock
2
DIP-Switch Selection Settings—Receiver
Door Status
Switch
Teach
Button
To begin system configuration, use the security tool provided to
loosen the screw in the configuration door.
MPCE Monitoring disable
ON
Not used
OFF
5
Not used
OFF
6
Not used
OFF
7
Set Beam Coding
OFF
8
Not used
OFF
Switch Function
Disabled
Default
Setting
Description
Set Beam Coding
OFF
Disabled
2
Machine Test Signal
OFF
OFF: Signal High active—No
connection or connect normally open
ON: Signal Low active—Connect N/C
Settings for Mode of Operation—Receiver
Switch 1
Switch 2
ON
ON
Guard Only
ON/OFF
Operation
OFF
ON
Start Interlock
(Push Button
Reset)
Interlock at start up—Reset by actuation of
pushbutton switch
OFF
OFF
Restart
Interlock
Interlock at interruption of sensing
area—Reset by actuation of pushbutton
switch
ON
OFF
Start
Interlock
Interlock at start up—Reset by Interruption/
restoration of sensing area for <1 sec
Follow the Teach Function Procedure to reconfigure the
GuardShield PAC.
After each reconfiguration of the GuardShield
PAC, test the system for proper configuration
and operation before placing the guarded
machine in operation.
Disabled
1
Dip-switch identification and function is explained in the tables
below.
IMPORTANT
Guard Only
Transmitter—Factory Settings
ATTENTION
Identify and set the appropriate dip-switches for the
configuration desired.
Description
ON
4
Note: The configuration door screw is a captive screw.
Note: The transmitter can only be configured for beam
coding and Machine Test Signal. If neither of these
configurations are required, then it is only necessary
to configure the GuardShield PAC receiver.
ON
3
Switch
After mounting, electrically connecting and aligning the
GuardShield PAC safety light curtain, it is now possible to
configure your system.
Default
Setting
Switch
IMPORTANT
When delivered from the factory, the following settings are
configured.
Original instructions
Condition
Operation
Every modification at the DIP switches must
be stored in the memory of the device
through the Teach function. Simply changing
the position of a dip switch will not change
the GuardShield. It is necessary to first change
the dip switch position and then perform the
teach function. If the changes have been
enabled in the GuardShield, the amber LED
will flash three times as a visual confirmation
that the change has been accepted.
GuardShield PAC light curtains with
ArmorBlock Guard I/O connectivity are
configured from the factory as standard
GuardShield PAC light curtains. However, the
only configurable functionality is beam
coding. All other configurable functions have
been disabled.
19
GuardShield™ PAC Safety Light Curtain Installation Instructions
Teach Function
Troubleshooting Guide
Procedure:
The light curtain carries out an internal self-test after startup. If an
error occurs, an appropriate signal combination is sent through
the LEDs to the transmitter and receiver.
Step 1
Open cover of the end cap (LED blinks: Receiver is
red LED, Transmitter is amber LED).
Step 2
Select the desired switch setting.
Step 3
Press and hold the Teach button. The yellow LED
flashes at 10 Hz (10x per second).
Step 4
Step 5
Condition
No.
The yellow LED will stop blinking while the button is
depressed. After the yellow stops flashing, release
the teach button within 2 seconds.
• After 3 flashes of the yellow LED the function is
activated.
The doors on the transmitter and receiver
must be closed for the GuardShield PAC to
operate.
• Check configuration of transmitter
and receiver
• Replace receiver
7
Internal fault, transmitter
• Check configuration of transmitter
and receiver
• Check protective field transmitter/
receiver
• Check connections transmitter/
receiver
• Exchange transmitter
8
External fault
• Check connections of OSSD outputs
for short circuit against +24V DC
and GND (cable, connected devices)
• Exchange receiver
9
• Check connection Relay monitoring
External fault (MPCE error)
• Check connected relay for closed
The function Relay monitoring is
contact (if OSSD ON—input Relay
activated and after clearing the OSSD
monitoring must have GND level, if
the input Relay monitoring does not
OSSD OFF—input Relay monitoring
recognize a change of state.
must have +24V)
• Switch on only after POWER OFF/ON
10
Configuration mode (Receiver)
• Cover for DIP switch setting at the
receiver is open
11
Configuration mode (Transmitter)
• Cover for DIP switch setting at
transmitter is open
If the GuardShield PAC teach procedure is not
properly completed, the unit will remain in
the previous operating mode.
Once the teach function is completed and the
door secured, verify that the operating mode
has changed to the intended mode.
Action
Internal fault, receiver
Close and secure the cover.
IMPORTANT
20
Error Description
6
Original instructions
GuardShield™ PAC Safety Light Curtain Installation Instructions
System Status Indicators
Receiver
Transmitter
OSSDs OFF
OSSDs ON
Interlock
Emitting
Alignment
POWER ON
Receiver LEDs
OSSDs
OFF
Condition No.
OSSDs
ON
Red
Alignment
Green
1
OFF
ON
2
ON
3
ON
4
5
Transmitter LEDs
Yellow
Interlock
Amber
Yellow
OFF
Power
On
Amber
ON
Emitting
Yellow
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
ON
OFF
ON
ON
ON
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
OFF
6
FLASH
OFF
OFF
OFF
OFF
ON
ON
7
ON
OFF
OFF
OFF
OFF
FLASH
ON
8
FLASH
OFF
OFF
ON
OFF
ON
ON
9
FLASH
OFF
OFF
OFF
ON
ON
ON
10
FLASH
OFF
DATA TRANS –
OFF
OFF
ON
ON
11
ON
OFF
OFF
OFF
OFF
FLASH
DATA TRANS –
6 through 11 = Fault conditions
– Data transmission—factory configuration interface—not available for use outside factory
Flash rate is approximately. 2 Hz (2 times per second)
Condition No.
Description
1
Guard only mode, light curtain unobstructed (aligned, not in interlock)
2
Guard only mode, light curtain interrupted (aligned, not in interlock)
3
Guard only mode, misaligned (not in interlock)
4
In start or restart interlock (aligned)
5
Transmitter test input active (pin 4)
6
Internal fault, receiver
7
Internal fault, transmitter
8
External fault (OSSD short to ground, +V, or cross connection)
9
External fault (MPCE/EDM error)
10
Configuration mode (receiver access door open)
11
Configuration mode (transmitter access door open)
Note: Note: For fault conditions 6 through 11, see Troubleshooting guide on page 20.
ATTENTION
Assure that all power to the machine, and
safety system is disconnected during
electrical installation.
Original instructions
21
GuardShield™ PAC Safety Light Curtain Installation Instructions
IMPORTANT
Prior to powering up the GuardShield PAC
system, the responsible person should review
the following Checklist.
Daily Inspection
1.
o
Approach to hazardous machine parts must only be
possible through the protective field of GuardShield
PAC.
Checklist
2.
o
Operators cannot step through the sensing area while
working on dangerous machine parts.
Before the initiation of the GuardShield PAC the responsible
person should work through the following checklist.
3.
o
The safety distance of the application is bigger than the
calculated value.
Cable check prior to initiation:
4.
o
The optic front cover is neither scratched nor dirty.
1.
o
The power supply is solely connected to the
GuardShield PAC.
2.
o
The power supply is a 24V DC device, that must comply
to all applicable standards of the Machinery Directive
2006/42/EC, and the product standard (IEC 61496).
Operate the machine and check, if the hazardous movement will
stop under the following circumstances.
5.
o
The protective field is interrupted.
6.
o
Hazardous machine movement stops immediately, if
the protective field is interrupted by the test rod
directly in front of the transmitter, directly in front of
the receiver and in the middle between transmitter and
receiver.
3.
o
Proper polarity of the power supply at the GuardShield
PAC.
4.
o
The transmitter connection cable is properly connected
to the transmitter, the receiver connection cable is
properly connected to the receiver.
7.
o
No hazardous machine movement while completely
interrupting any of the PAC beams.
8.
o
The power supply of the GuardShield PAC is turned off.
5.
o
The double insulation between the light curtain output
and an external potential is ensured.
6.
o
The OSSD outputs are not connected to +24V DC.
7.
o
The connected switching elements (load) are not
connected to 24V DC.
8.
o
No connection to a conventional power supply.
9.
o
If two or more GuardShield PAC are to be used, make
sure that each system is properly installed, in order to
avoid optical interference.
IMPORTANT
Switch the GuardShield PAC on and check its
function by observing the following:
10.
o
2 seconds after switching on, the system starts to work
properly, if the protective field is free of obstructions.
Safety Instructions—Maintenance
ATTENTION
Never operate the GuardShield PAC before
carrying out the following inspection.
Improper inspection can lead to serious or
even deadly injury.
Note:
1. For safety reasons all inspection results should be recorded.
2. Only persons, who clearly understand the functioning of the
GuardShield PAC and of the machine, may carry out an
inspection.
3. If installer, planning engineer and operator are different
people, make sure that the user has sufficient information
available to carry out the inspection.
22
Original instructions
If any of the above conditions do not result in
the hazardous motion of the machine
ceasing, do not allow the protected machine
to be placed in operation.
GuardShield™ PAC Safety Light Curtain Installation Instructions
Six-Month Inspection
Date Code
Check the following items every six months or whenever a
machine setting was changed.
440L
Bul/Type
Part No.
1.
o
Machine stops or does not obstruct any safety function.
2.
o
The latest machine or connection modifications have
no effect on the control system.
3.
o
The outputs of the GuardShield PAC are properly
connected to the machine.
4.
o
The total response time of the machine is shorter than
the calculated value.
5.
6.
o
o
Cables and plugs of the GuardShield PAC are in flawless
condition.
Ambient Temp -10.....+55C
Ser Rev
Ref No.
Power Consumption 7W max.
A B
R4A2500YD
Made in Jun, 2010
Supply Voltage 24V DC +/-20%
Safety Parameters Type 4/Cat.4
IEC61496/ EN ISO 13849
PLe/SIL CL3,SIL3
EN62061/ IEC61508
AA00AA00
Operating Instructions PN-11790
GuardShield
Rockwell Automation
2 Executive Dr. Chelmsford MA. 01824
978-441-9500
Product of Mexico
PAC
Degree of Protection IP65
# of Beams/Spacing 2/520mm
Electro-Sensitive
Protective Equip.
19KP
Mounting brackets, caps and cables are tightly secured.
TM
Range 0.3-16m
Protective Height 500mm
Cleaning
Bul/Type
If the optic front cover of the GuardShield PAC is dirty, the outputs
of the GuardShield PAC may turn off. Take a clean, soft cloth and
rub without pressure. Do not apply aggressive, abrasive or
scratching cleansing agents, which might attack the surface.
Response Time with Coding <30ms
440L
Ser Rev
Part No. R4A2500YD
A B
Response Time w/o Coding <20ms
Location of Manufacture
Year of Manufacturer
Week of Manufacturer
X
X*
XX
M or 4K
R
02
M represented Manchester, NH replaced by 4K for Monterrey, Mexico
* J=2004
K=2005
L=2006
M=2007
N=2008
P=2009
R=2010
S=2011
T=2010
U=2013
V=2014
W=2015
Y=2016
Z=2017
Figure 4: Explanation of data code
Original instructions
23
GuardShield™ PAC Safety Light Curtain Installation Instructions
Technical Specifications
Light Beams
3/400 mm spacing (440L-P4A3400YD)2/500 mm spacing (440L-P4A2500YD)
Protective Field
820 mm (31.8 in.) 3 beam, 520 mm (20.4 in.) 2 beam
Range
16 m (52.5 ft)
Response Time
OSSD – ON to OFF: (Reaction times); 20 ms uncoded; 30 ms coded
Power Supply
24V DC +/-20%; Power supply must meet the requirements of IEC 60204-1 and IEC 61496-1.
Power Consumption
400 mA max. (unloaded)
IR Transmitter
Infrared LED (wave length 870 nm)
Aperture Angle
Within ± 2.5° for transmitter and receiver
Operating Condition
IR transmitter ON
Functions
Guard Only:
Start Interlock:
Restart Interlock:
Relay Monitoring:
Coding:
Test Function:
Inputs Transmitter
Machine Test Signal
Inputs Receiver
Start/Restart Interlock
MPCE
Outputs:
Safety Outputs (OSSDs)
Auxiliary Output
On/Off operation with clear/obstructed detection area
Interlock at start up—Reset by actuation of momentary N.O. pushbutton switch (or interruption/restoration of light curtain)
Interlock at interruption of sensing field—Reset by actuation of momentary N.O. pushbutton switch
Monitoring a switch contact of the installation
May be necessary for multiplex alignment
Triggering of system test via external switch
Minimum duration 100 ms
Voltage level for Logic 0:
0 – 5V DC
Voltage level for Logic Hi 1:
> 16V DC
Logic Lo
Minimum duration 100ms; maximum duration 900 ms
Voltage level for Logic Lo 0:
0 – 5V DC
Voltage level for Logic Hi 1:
> 16V DC
300 ms after activation of OSSD
Voltage level for Logic 0:
Voltage level for Logic Hi 1:
> 16V DC
0 – 5V DC
Two solid state outputs, max. switching capacity 500 mA (resistive/inductive), short circuit protected, max. residual voltage 2V (excl. voltage drop
through cables)
Solid state output, max. power consumption 500 mA (resistive/inductive), max. residual voltage 2V—nonsafety output
Max. Off State leakage current: 1 mA Max. Capacitive Load: 0.18 uF
Status Indicators Receiver
ON-state Constant ON when system is in ON-state (green LED)
OFF-state Constant ON when system is in OFF-state (red LED)
• Lights up at interruption of protective field or if fault occurs
Lights up, if input signal is too weak (amber LED)
Alignment Lights up when light curtain is in start or restart interlock mode (yellow LED)
Interlock
Status Indicators Sender
Power ON Lights up, when voltage is on (amber LED)
Emitting Constant ON when transmitter is active (yellow LED)
QD Connectors
Transmitter: M12 plug 4 pin; receiver: M12 plug 8 pin for standard GuardShield PAC and PAC with integrated laser alignment system, GuardShield
PAC with ArmorBlock I/O 5-pin M12
Cable Length
Maximum 30 m (100 ft), Maximum resistance: 5 ohms
Ambient Temperature
During operation: –10…55°C (14…131°F); For storage: –25…75°C (-13…167°F)
Humidity of the Air
Up to 95% (without condensation) between 20…55°C (68…131°F)
Enclosure Rating
IP65
Vibration Resistance
Per IEC 61496-1, IEC 60068-2-6 Frequency 10…55 Hz Amplitude 0.35 mm
Shock
Per IEC 61496-1, IEC 60068-2-29 Acceleration 10 g, Duration 16 ms
Material
Housing: Aluminum; Cover: PMMA (acrylic)
Dimensions (cross section)
Approx. 40 mm x 50 mm (1.57 in. x 1.96 in.)
Accessories Included
Mounting brackets, operating instructions, security tool, plastic tool for setting dipswitch and teach function
Approvals
IEC 61496 Parts 1and 2, UL 61496 Parts 1 and 2, UL 1998
Safety Classification
Type 4 per EN/IEC 61496, category 4 EN/ISO 13849; SIL 3, IEC 61508, SIL CL3 EN 62061, PLe, EN/ISO 13849
PFHd (mean probability of a dangerous failure/hr
Standalone sys.: 9.51 x 10-9; Cascading sys. (host/guest): 1.95 x 10-8; Cascading sys. (host/guest/guest): 2.75 x 10-8
TM (mission time)
20 years (EN ISO 13849)
Transmitter Wave Length
870 nm
Original instructions
24
GuardShield™ PAC Safety Light Curtain Installation Instructions
GuardShield PAC standard
Cat. No.
Beam Spacing
No. of Beams
Protective Height [mm (in.)]
440L-P4A2500YD
500
2
520 (20.4)
440L-P4A3400YD
400
3
820 (32.2)
Note: GuardShield PAC light curtains are sold in pairs. To select a transmitter or receiver, replace the “P” in the cat. no. with a “T” for the
transmitter and an “R” for the receiver.
GuardShield PAC with Integrated Laser Alignment
Cat. No.
Beam Spacing
No. of Beams
Protective Height [mm (in.)]
440L-P4AL2500YD
500
2
520 (20.4)
440L-P4AL3400YD
400
3
820 (32.2)
Note: GuardShield PAC with integrated laser alignment are sold in pairs. To select a transmitter or receiver, replace the “P” in the cat. no.
with a “T” for the transmitter and an “R” for the receiver.
GuardShield PAC with Integrated Laser Alignment and I/O Connectivity
Cat. No.
Beam Spacing
No. of Beams
Protective Height [mm (in.)]
440L-P4AL2500YA
500
2
520 (20.4)
440L-P4AL3400YA
400
3
820 (32.2)
Note: GuardShield PACs with ArmorBlock Guard I/O Connectivity are sold in pairs. The pair consists of a standard GuardShield PAC with
integrated laser alignment transmitter with 4 pin M12 quick-disconnect (440L-T4AXXXXYD). To select a receiver, replace the “P” in
the cat. no. with an “R” for the receiver.
Cat. No. Explanation
440L -
P
4
A
X
XXX
Y
D
Connector Option Micro QD
Environmental Rating IP65
Beam spacing (400mm or 500mm)
Number of beams (2 or 3)
PAC
Category Type 4
P - Pair, T - Transmitter, R - Receiver
Bulletin Number
440L -
P
4
A
L
X
XXX
Y
A
Connector Option –
Environmental Rating IP65
Beam spacing (400 or 500 mm)
Number of beams (2 or 3)
L = Integrated laser alignment system
PAC
Type 4
P - Pair, T - Transmitter, R - Receiver
Bulletin Number
– D for M12 QD and A for 5-pin M12 for ArmorBlock Guard I/O
Original instructions
25
GuardShield™ PAC Safety Light Curtain Installation Instructions
Bill of Material for 3-sided guarding using pedestal floor stands and corner mirrors with a GuardShield 3-beam PAC without cordsets.
Qty.
Description
Cat. No.
1
GuardShield three-beam PAC pair
440L-P4A3400YD
2
Narrow 1050 mm corner mirror
440L-AM0751050
Wide 1050 mm corner mirror
440L-AM1251050
4
440L-AMSTD
Pedestal floor stand
Dimensions [mm (in.)]
Beam Location
Indicator
80 (3.14)
min
500 (19.69)
11
(0.43)
52
(2.05)
440L-P4A2500YD
Protective Height
A
Beam Location
Indicator
11
(0.43)
52
(2.05)
400 (15.75)
400 (15.75)
80 (3.14)
min
440L-P4A3400YD
Protective Height
A
40
(1.57)
75
(2.95)
42
(1.65)
20
(0.79)
B
C
A
Protective Height [mm (in.)]
B
Mounting Value [mm (in.)]
C
Total Length [mm (in.)]
Cat. No.
820 (32.3) ±0.02
1076 (42.4)
1112 ±1.5 (43.8) ±0.06
440L-P4A2500YD
520 (20.5) ±0.02
756 (29.8)
792 ±1.5 (31.2) ±0.06
440L-P4A3400YD
Original instructions
26
GuardShield™ PAC Safety Light Curtain Installation Instructions
Beam Location
Indicator
11
(0.43)
80 (3.14)
min
400 (15.75)
400 (15.75)
42
(1.65)
Receiver
40
(1.57)
Protective Height
810 (31.89)
75
(2.95)
40
(1.58)
52
(2.05)
20
(0.79)
1156 (45.51)
1192 (47.00)
440L-P4A3400YD consists of a pair
440L-T4A3400YD transmitter & 440L-R4A3400YD receiver
Transmitter
63.5
(2.50)
1066 (42.00)
Beam Location
Indicator
80 (3.14)
min
500 (19.69)
11
(0.43)
42
(1.65)
Receiver
Protective Height
520 (20.47)
40
(1.57)
75
(2.95)
40
(1.58)
52
(2.05)
20
(0.79)
836 (33.00)
872 (34.33)
440L-P4A2500YD consists of a pair
440L-T4A2500YD transmitter & 440L-R4A2500YD receiver
Transmitter
63.5
(2.50)
746 (29.37)
Original instructions
27
GuardShield™ PAC Safety Light Curtain Installation Instructions
Accessories
Corner Mirrors
Narrow
Wide
8 x 13
8 x 13
50
(1.96)
50
(1.96)
50
(1.96)
123
(4.84)
‘Ls’
340 (13.4) ‘A’
372 (14.64)
‘B’
440 (17.32)
‘L’
396 (15.6)
‘Ls’
340 (13.4)
‘A’
372 (14.64)
‘B’
440 (17.32)
‘L’
396 (15.6)
73
(2.87)
A
A
10.5
(0.41)
2.5
(0.098)
13.3
(0.52)
35
(1.37)
%%P120%%D
%%P120%%D
A
A
4.5
(0.17)
6.5
(0.25)
10.5
(0.41)
2.5
(0.098)
13.3
(0.52)
35
54
(1.37) (2.12)
114
(4.48)
Light Curtain Cat. No.
Mirror Cat. No.
440L-P4A3400YD
440L-P4AL3400YD
440L-P4AL3400YA
Narrow—440L-AM0751050
Wide—440L-AM1251050
440L-P4A2500YD
440L-P4AL2500YD
440L-P4AL2500YA
Narrow—440L-AM0750750
Wide—440L-AM1250750
GuardShield 2- and 3-beam light curtain PAC mounting and
mirror columns Stand—440L-AMSTD
25.4
(1.0)
63.5 (2.5)
1828.8
(72)
11.1 (7/16) Dia.
19.05 (0.75)
12.7 (0.5) Dia. 4X
76.2
(3.0)
6.35
(0.25)
304.8
(12)
63.5
(2.5)
M10 x 1.5 mm
Class 6g thru 4 pl
76.2
(3.0)
381.0 (15)
Note: Two GuardShield mounting brackets
are supplied with each
440L-AMSTD floor stand.
25.4
(1.0)
6.35
(0.25)
Figure 5: Pedestal floor stand
28
Original instructions
4.5
(0.17)
6.5
(0.25)
75 (2.95)
44
(1.74)
164
(6.45)
75 (2.95)
44.4
(1.74)
54
(2.12)
50
(1.96) 164
(6.45)
GuardShield™ PAC Safety Light Curtain Installation Instructions
GuardShield Washdown Enclosures
GuardShield PAC Weld Shield
Cat. No.
PAC
Enclosure Kit
440L-P4A3400YD
440L-AGST960
440L-P4A2500YD
440L-AGST640
GuardShield PAC
Cat. No.
GuardShield
Weld Shield Cat. No.
Dimension “L”
[mm (in.)]
440L-P4A2500YD
440L-AGWS0640
655.3 (25.8)
440L-P4A3400YD
440L-AGWS0960
975.4 (38.4)
440L-P4AL2500YD
440L-AGWS0800
815.3 (32.1)
440L-AGWS1120
1135.4 (44.7)
440L-P4AL2500YA
440L-P4AL3400YD
440L-P4AL3400YA
GuardShield PAC ArmorBlock Connectivity
Signal
Top View
Note: Note: The GuardShield washdown enclosures are
designed for use with standard GuardShield PAC light
curtains only.
Laser Alignment Tool
(used on standard GuardShield)
Requires 440L-AF6109 bracket to mount to front of GuardShield
PAC
Color
Pin No
Brown
1
+ 24V
White
2
OSSD 2
Blue
3
0V
Black
4
OSSD 1
Gray
5
NC
Receiver
19.05
(0.75)
66.8 (2.63)
Example of Patchcord
12.9 (0.48)
62.48
(2.46)
Interconnecting Patchcords—
ArmorBlock I/O Connection
4 (0.15)
Laser Alignment Tool (LAT)—
440L-ALAT
4.29 (0.169) hole dia.
81 x 2.66 (0.105) countersink
17.78
(0.70)
35.56 (1.4)
44.45 (1.75)
GuardShield PAC LAT Bracket
440L-AF6109
Cat. No.
889D-F5ACDM-0M3
Description
5-pin M12 patchcord, 12 inches
889D-F5ACDM-1
5-pin M12 patchcord, 1 meter
889D-F5ACDM-2
5-pin M12 patchcord, 2 meters
889D-F5ACDM-5
5-pin M12 patchcord, 5 meters
889D-F5ACDM-10
5-pin M12 patchcord, 10 meters
IMPORTANT
Weld Shields
The GuardShield PAC weld shields are sold as pairs.
These polycarbonate weld shields are designed as disposable
devices whose purpose is to protect the front window of the
GuardShield PAC from damage.
Dimensions [mm (in.)]
3.0 (0.118)
Thick
The GuardShield PAC pair with ArmorBlock
Guard I/O Connectivity has a five-pin M12
quick-disconnect connector on the receiver
wired to connect to the ArmorBlock five-pin
connector. The transmitter in that
GuardShield pair is a standard GuardShield
PAC transmitter with integrated laser
alignment system offered with a four-pin M12
quick-disconnect connector. It is possible to
connect either a standard four-pin M12
cordset or the five-pin M12 quick-disconnect
connector patchcord to this transmitter.
37.3
(1.47)
L
49.5
(1.95)
R24
2X
R12 2X
10.16 (0.4)
Original instructions
29
GuardShield™ PAC Safety Light Curtain Installation Instructions
GuardShield PAC Cordsets
42
(1.65)
15
(0.57)
For Connection to GuardShield PAC and
GuardShield PAC with Integrated Laser Alignment
Cat. No.
Description [m (ft)]
889D-F8AB-2
8-pin DC Micro Straight Female Cordset, 2 (6.5)
889D-F8AB-5
8-pin DC Micro Straight Female Cordset, 5 (16.4)
889D-F8AB-10
8-pin DC Micro Straight Female Cordset, 10 (32.8)
889D-F8AB-15
8-pin DC Micro Straight Female Cordset, 15 (49.2)
889D-F8AB-20
8-pin DC Micro Straight Female Cordset, 20 (65.6)
889D-F8AB-30
8-pin DC Micro Straight Female Cordset, 30 (98.4)
For Connection to GuardShield PAC Transmitters
Cat. No.
30
Description
889D-F4AC-2
4-pin DC Micro Straight Female Cordset, 2 (6.5)
889D-F4AC-5
4-pin DC Micro Straight Female Cordset, 5 (16.4)
889D-F4AC-10
4-pin DC Micro Straight Female Cordset, 10 (32.8)
889D-F4AC-15
4-pin DC Micro Straight Female Cordset, 15 (49.2)
889D-F4AC-20
4-pin DC Micro Straight Female Cordset, 20 (65.6)
889D-F4AC-30
4-pin DC Micro Straight Female Cordset, 30 (98.4)
Original instructions
GuardShield™ PAC Safety Light Curtain Installation Instructions
EC Declaration of Conformity
The undersigned, representing the manufacturer
Rockwell Automation, Inc.
2 Executive Drive
Chelmsford, MA 01824
USA
Herewith declare that the Products:
Product identification (brand and
catalogue number/part number):
and the authorised representative established within the
Community
Rockwell Automation BV
Rivium 1e Straat, 23
2209 LE Capelle aan den IJssel
Netherlands
GuardShield™ Type 4 Safety Light Curtains
Allen-Bradley / Guardmaster 440L Series
(reference the attached list of catalogue numbers)
Product Safety Function:
440L Series Type 4 safety light curtains are active optoelectronic protection
devices (AOPDs) with resolutions of 14mm and 30mm, or multiple beams
with various beam spacings. These safety light curtains are self-checking
and cascadable, and are suitable for applications up to Safety Category 4
(EN ISO 13849-1) and SIL3 (EN 61508).
are in conformity with the essential requirements of the following EC Directive(s) when installed in accordance
with the installation instructions contained in the product documentation:
2004/108/EC
2006/42/EC
EMC Directive
Machinery Directive
and that the standards and/or technical specifications referenced below have been applied:
EN 55022:1998 +A1:2000
Information technology equipment – Radio disturbance characteristics Limits and methods of measurement
+A2:2003
Safety of machinery – Electro-sensitive protective equipment – Part 1: General
EN 61496-1:2004 + A1:2008
requirements and tests
CLC/TS 61496-2:2006
Safety of machinery – Electro-sensitive protective equipment – Part 2:
IEC 61496-2:2006
Particular requirements for equipment using active opto-electronic protective
devices (AOPDs)
Functional safety of electrical/electronic/programmable electronic safetyEN 61508:2001
related systems
Safety of machinery – Functional safety of safety-related electrical, electronic
EN 62061:2005
and programmable control systems
Safety of machinery – Safety related parts of control systems – Part 1: General
EN ISO 13849-1:2008 / AC:2009
principles for design
The authorised representative is authorized to compile the Technical File.
Conformance of a type sample belonging to the above mentioned product family with the regulations from the EC
Machinery Directive has been certified by:
TÜV NORD CERT GmbH & Co.
EC Type Examination Certificate No.
KG
44 205 10 383326 000
Langemarckstr. 20, D-45141
Essen, Germany
ID-No.: 0044
Manufacturer:
Authorised Representative in the Community:
Signature
Name:
Position:
Date:
Place:
Signature
Name:
Position:
Date:
Place:
Daniel L. Nachtigall
Technical Leader – Certification Engineering
17-Jun-2010
Milwaukee, WI USA
Document Control Number: SEN-0339-H-EN (Original)
Original instructions
Viktor Schiffer
Engineering Manager
21-Jun-2010
Haan, Germany
1/2
31
GuardShield™ PAC Safety Light Curtain Installation Instructions
Catalogue number
Series
1
Description
440L-*4*****
GuardShield Type4 light curtains per Nomenclature
1) If no series number is given, then all series are covered
MODEL NOMENCLATURE:
440L
1
1
2
3
4
5
6
7
8
-
P
2
4
3
J
4
L
5
1600
6
Y
7
D
8
Designates Product Type
440L – GuardShield safety light curtains
Light Curtain Type
P – Transmitter/receiver pair
C – Cascaded sensor pair
R – Receiver
F – Cascaded receiver
T – Transmitter
G – Cascaded transmitter
S – Remote Teach System
Optoelectronic Safety Type
4 – Type 4
Beam Resolution
J – 14mm
K – 30mm
A – Perimeter Access Control
Electronic Unit Type
Blank – Standard
L - Laser
Protection Height or Number of Beams and Beam Gap
0160 – 160mm height
1120 – 1120mm height
0320 – 320mm height
1280 – 1280mm height
0480 – 480mm height
1440 – 1440mm height
0640 – 640mm height
1600 – 1600mm height
0800 – 800mm height
2500 – Two beams, 500mm gap
0960 – 960mm height
3400 – Three beams, 400mm gap
Environmental Rating
Y – IP65
Connection Options
A – 5 pin, M12 quick disconnect
D – Micro quick disconnect connector
R – Pigtail w/Y-connector cable
Document Control Number: SEN-0339-H-EN (Original)
32
Original instructions
2/2
GuardShield™ PAC Safety Light Curtain Installation Instructions
Original instructions
33
GuardShield is a trademark of Rockwell Automation, Inc.
www.rockwellautomation.com
Power, Control and Information Solutions Headquarters
Americas: Rockwell Automation, 1201 South Second Street, Milwaukee, WI 53204 USA, Tel: (1) 414.382.2000, Fax: (1) 414.382.4444
Europe/Middle East/Africa: Rockwell Automation, Vorstlaan/Boulevard du Souverain 36, 1170 Brussels, Belgium, Tel: (32) 2 663 0600, Fax (32) 2 663 0640
Asia Pacific: Rockwell Automation, Level 14, Core F, Cyberport 3, 100 Cyberport Road, Hong Kong, Tel: (852) 2887 4788, Fax: (852) 2508 1846
Publication PN-72742
10000100941 Ver 01—August 2012
Copyright ©2012 Rockwell Automation, Inc. All Rights Reserved. Printed in USA.
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