CAUTION
An AMR must have a readily visible warning device such as a user-supplied flashing
light, to indicate when it is either ready to move or is moving.
When using large or complex payload structures, you may need to install additional user-supplied sig-
nal beacons to ensure visibility of the AMR. The exact implementation of this signal beacon(s) de-
pends on the design of your payload or payload structure. Make sure that the signal beacon(s) re-
mains visible under all operating conditions, and from all sides so that people can always see it. Con-
sider the design of your payload structure for high visibility, including when the AMR is transporting
objects.
An additional signal beacon is not included with the AMR. You can optionally supply and install such a
device if required. To comply with relevant standards, the sequence of the lights from top down must
be red, yellow, and green.
A signal beacon may also be used to indicate movement and to signal that the AMR requires some
interaction.
1-6-4
Additional Warning Buzzers
The AMR Controller provides an output for controlling an additional warning buzzer as an auditory
warning device. The warning buzzer is connected to the AMR Core.
The buzzer must be audible above the ambient noise of the environment that the AMR operates in.
Depending on your environment's noise level, you may need to add an additional buzzer installed on
your payload structure so that the buzzer can be heard over the ambient noise level. It is the end-us-
er's responsibility to verify this requirement.
The BUZZ port in the User Connections area can support a user-supplied warning buzzer. You can
install it on either the AMR or in a location of your choice in your payload structure. Refer to 3-5-1 User
Connections Area on page 3-19 for more information.
Additional Information
You can optionally supply an LED signal tower which includes a built-in warning buzzer, or a
dedicated warning buzzer. Contact your OMRON representative for more information on the
available options.
1-6-5
Side Lasers
Side Lasers are optional sensors used to detect obstacles that protrude into the AMR's path, but may
not be detected by the Safety Laser Scanners or Low Lasers. These are required when the payload
structure is tall and there is an increased risk of collisions not detected by the Safety Laser Scanners.
These optional sensors are oriented so that they scan in a vertical plane, offset 90 degrees from Safe-
ty Laser Scanners and Low Lasers. They have a maximum range of 8 m. A Side Laser Kit (part num-
ber 73945-010) is available for purchase. Refer to 3-11 Side Laser Installation on page 3-40 for more
information.
Mount the Side Lasers in such a way that they protrude enough so that the payload does not interfere
with the scanning plane. You must determine the mounting method for the optional Side Lasers when
placing them on a payload structure.
Side Lasers are not safety-rated.
1 Overview
1-28
AMR (Autonomous Mobile Robot) MD-series Platform User's Manual (I681)
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