Epson RC420 Manual page 15

The following items are safety precautions for qualified design or installation
personnel: (cont.)
Do not open the cover(s) of the Controller except while maintaining it.
Opening the cover(s) of the Controller is extremely hazardous and may result in
electric shock even when its main power is OFF because of the high voltage
charge inside the Controller.
Make sure that the power to the Controller is turned OFF and locked out before
connecting or disconnecting any cables.
cables with the power ON is extremely hazardous and may result in electric
shock and/or malfunction of the Controller.
If it is necessary to change the plug to fit the outlet in your factory, make sure
that it is done by qualified personnel. When changing the plug, be sure to
connect the earth wire of the AC power cable colored green/yellow on the
Controller to the earth terminal of the factory power supply. The equipment
WARNING
must be grounded properly at all times to avoid the risk of electric shock.
Always use a power plug and receptacle.
directly to the factory power supply. (Field wiring)
Be sure to connect the cables properly. Do not allow unnecessary strain on
the cables. (Do not put heavy objects on the cables. Do not bend or pull the
cables forcibly.) The unnecessary strain on the cables may result in damage
to the cables, disconnection, and/or contact failure.
disconnection, or a contact failure is extremely hazardous and may result in
electric shock and/or improper function of the system.
Only install optional hardware specifically designed for the robot system. If any
other hardware is installed to the robot system, the robot system may function
improperly and also cause safety problems. (For EPSON RC+ Users, only the
hardware that has been approved by EPSON can be installed on the robot
system.)
Do not install any other software in the robot system except for the software that
was originally installed at ship time. If any other software is installed, the robot
system may function improperly and also cause safety problems.
EPSON RC+ Users, only the software that has been approved by EPSON can
CAUTION
be installed on the robot system.)
The serial number of the Manipulator that should be connected is indicated on
the Connection Check Label on the Controller. Connect the Controller and the
Manipulator correctly. Improper connection between the Controller and the
Manipulator may cause improper function of the robot system and also safety
problems.
RC420 Rev.9
Setup & Operation 1. Safety
Connecting or disconnecting any
Never connect the Controller
Damaged cables,
(For
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