1. Safety
Safety and Installation (RC90 / EPSON RC+ 7.0) Rev.6 3
1.2.2 Designing a Safe Robot System
It is important to operate robots safely. It is also important for robot users to give
careful consideration to the safety of the overall robot system design.
This section summarizes the minimum conditions that should be observed when
using EPSON robots in your robot systems.
Please design and manufacture robot systems in accordance with the principles
described in this and the following sections.
Environmental Conditions
Carefully observe the conditions for installing robots and robot systems that are
listed in the “Environmental Conditions” tables included in the manuals for all
equipment used in the system.
System Layout
When designing the layout for a robot system, carefully consider the possibility of
error between robots and peripheral equipment. Emergency stops require
particular attention, since a robot will stop after following a path that is different
from its normal movement path. The layout design should provide enough
margins for safety. Refer to the manuals for each manipulator, and ensure that
the layout secures ample space for maintenance and inspection work.
When designing a robot system to restrict the area of motion of the robots, do so in
accordance with the methods described in each manipulator manual. Utilize both
software and mechanical stops as measures to restrict motion.
Install the emergency stop switch at a location near the operation unit for the robot
system where the operator can easily press and hold it in an emergency.
Do not install the controller at a location where water or other liquids can leak
inside the controller. In addition, never use liquids to clean the controller.
Disabling Power to the System using lock out / tag out
The power connection for the robot controller should be such that it can be locked
and tagged in the off position to prevent anyone from turning on power while
someone else is in the safeguarded area.
For further details, refer to the following section:
1.8 Lockout/Tagout
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