Rockwell Automation Publication 450L-UM001F-EN-P - March 2022
61
Chapter
6
Installation and Wiring
See
for certification information and ratings. The
requirements that are defined in this appendix, for example, power supply,
cables, and ambient conditions, must be observed and maintained to allow for
the safety function.
Use appropriate screws, bolts, and/or nuts to mount the sticks and plug-ins to
avoid damage.
ATTENTION:
The GuardShield™ safety light curtain must not be used with
machines that cannot be stopped electrically in an emergency.
The required safety distance (see
Determine the Safety Distance on page 62
)
between the GuardShield safety light curtain and dangerous machine
movement must always be maintained.
Additional mechanical protective devices must be installed if hazardous
machine elements can be reached without passing through the protective
field.
Improper installation can result in serious injury.
Never connect the safety outputs (OSSDs) to +24V DC. If the safety outputs are
connected to +24V DC, they are in the ON-state and cannot stop hazardous
machine/application movements.
Never expose the GuardShield safety light curtain to flammable or explosive
gases. Do not install GuardShield safety light curtains in outdoor or
underwater applications without additional measures.
Regular safety inspections are imperative (see
Do not open or attempt to repair or modify the GuardShield safety light
curtain. Removal of either of the gray GuardShield safety light curtain end
caps or the transparent front window voids the warranty terms of this
product.
LASER LIGHT CLASS 2 HAZARD:
Do not stare into beam.
The 450L-E and 450L PAC GuardShield safety light curtains are equipped with
an integrated laser alignment aid (see
IMPORTANT
Do not insert or remove plug-ins when power is applied to the plug-in.
The GuardShield safety light curtain must be used only as defined in
.
If the device is used for any other purposes or modified in any way,
warranty claims against Rockwell Automation become null and void.
Installation must be in accordance with this manual and implemented
by qualified personnel exclusively.
A GuardShield safety light curtain system is intended to be part of the
safety-related control system of a machine. Before installation, a
thorough risk assessment must be performed to determine whether the
specifications of this device are suitable for all foreseeable operational
and environmental characteristics of the application.