Ups (Uninterruptible Power Supply); Ups; Configuration Of Power Supplies; Normal Shutdown Of Robot System - Epson RC420 Manual

Robot controller
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10. UPS (Uninterruptible Power Supply)

10.1 UPS

The UPS (Uninterruptible Power Supply) protects the hard disk data (including Windows
and applications) from being damaged by power failure or power-off without shutdown.
■ Utilize the UPS only for protecting the data from damages caused by power
failure or power-off without shutdown. If the UPS is turned OFF over and over
intentionally while Windows is operating, the life cycle of UPS battery will be
shortened and the UPS may perform insufficiently.
■ Complete the shutdown of Windows within three minutes. If Windows is not
CAUTION
shut down within the battery backup time of the UPS, the data may be
damaged.

10.2 Configuration of Power Supplies

The Controller is equipped with the 24V output power supply, battery, and output power
supply for 5V and 12V. The UPS consists of the battery and the output power supply
for 5V and 12V. The UPS provides backup power only for the 5V and 12V power
supplies that are necessary to operate the CPU and hard disk. The UPS does not back
up the power for the Manipulator or Encoder Power Supply. Therefore, when a power
failure or power-off without shutdown occurs while the Manipulator is operating, an error
such as an encoder cable disconnection error occurs and the Manipulator makes an
emergency stop.

10.3 Normal Shutdown of Robot System

Exit EPSON RC+ and shut down Windows. After the Controller is ready to be turned
OFF, turn OFF the power switch of the Controller. Then, all the power supplies except
for the UPS will be turned OFF immediately and the UPS power supply will be turned
OFF approximately five seconds later.

10.4 Automatic Shutdown by UPS service in Robot System

For RC420, the UPS service of Windows functions and automatically shuts down the
system when a power failure or power-off without shutdown occurs. The UPS service
has already been configured at the factory before shipment.
automatically shutting down the system depends on the conditions of Windows and
power supply. (For details of the shutdown processes, refer to the sections 10.4.1 and
10.4.2.)
RC420 Rev.9
Setup & Operation 10. UPS (Uninterruptible Power Supply)
The process of
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