Mobile Robot LD-250 Assembly Instructions, Rev. A
Page 27 of 77
3.10.1.3 Obstacle Avoidance
The AMR will avoid obstacles unless modified or the safety systems are intentionally
defeated. The AMR has a dual-channel, safety-rated laser to avoid obstacles.
IMPORTANT: The AMR observes safety navigation laser protection fields only at speeds
greater than 225 mm/s for LD-250. Below this speed, the AMR still uses scanner data to
detect and avoid obstacles.
IMPORTANT: When the pendant is connected to the AMR, the operator must maintain
control of the pendant and AMR at all times.
In addition, there are side lasers (standard on the LD Platform Cart Transporter and optional
for the LD Platform OEM), bumpers and SONAR on the LD Platform OEM, and rear sensors
on the LD-250 that enable the AMR to avoid obstacles and persons.
The LD-250, LD Platform OEM and LD Platform Cart Transporter are fully-autonomous AMRs
that, once configured, work around people in industrial settings with no intervention
needed.
Risks associated with integrating the AMR in the industry can be avoided, with a few basic
steps.
• Only trained personnel, who understand what the AMR does, should be in the
vicinity of the AMR.
• Audio and visual alarms are built into the AMR. Do not modify these unless
necessary.
• Additional safety measures may be implemented as deemed necessary by the
integrator after risk assessment is completed.
3.10.1.4 Safety System Behavior
The standard control system is fully-hardened to all EMI influences. In addition, software
monitors and controls all dual redundancy safety-rated features for certainty.
3.11 EHSRs fulfilled
The LD-250 mobile robot as partly-completed machinery, fulfils the following essential
requirements of the EC Machinery Directive 2006/42/EC:
EHSRs fulfilled from ANNEX I, Machinery Directive 2006/42/EC
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