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Chapter 2 Installation and Connections
WARNING
Be sure to tighten the bolt to the correct torque. The wrong torque may not only
cause robot position errors but also lead to serious accidents.
4) Reattach the upper cover after installing the robot.
GProtective bonding
WARNING
Always ground the robot and controller unit to prevent electrical shock.
Always use the ground terminal (M4 screw) inside the robot unit to make ground connection. The
ground terminal location is shown below.
End plate
Motor cable
CAUTION
• A secure ground connection (less than 100-ohm resistance to ground) is recom-
mended.
• Use electrical wire thicker than AWG14 (2mm
WARNING
Always turn off the power to the controller before making the ground connection.
Provide a terminal marked "PE" as the protective conductor for the entire system, and connect it
to an external protective conductor. Also securely connect the ground terminal on the robot frame
to the protective conductor.
Ground terminal
2
) as the ground wire.
(Symbol 417-IEC5019)
2-22
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