Safety Features - Epson RC520 Manual

Setup & Operation 1. Safety
The following items are safety precautions for qualified operator personnel:
The interlock of the Safety Door must be functioning when the robot system is
operated.
cannot be turned ON/OFF. (I.E. the condition where the switch is disabled)
(Example: Tape is put around the switch to hold it closed.) Operating the robot
system when the switch is not functioning properly is extremely hazardous and
WARNING
may cause serious safety problems as the Safety Door input cannot fulfill its
intended function.
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
WARNING inside the Controller.

1.3 Safety Features

The RC520 robot control system supports safety features described below. However,
the user is recommended to strictly follow the proper usage of the robot system by
thoroughly reading the attached manuals before using the system. Failure to read and
understand the proper usage of the safety functions is highly dangerous.
Among the following safety features, the Emergency Stop Switch and Safety Door Input
are particularly important. Make sure that these and other features function properly
before operating the robot system.
Refer to the Setup & Operation 5.1 Safety Door Switch and Latch Release Switch and
Setup & Operation 5.2 Emergency Stop Switch for details.
ATTEND (TEACH) Control Device:
To operate the Manipulator at a short distance without any operation unit (option), you
must create an ATTEND (TEACH) control device and connect it to the OPTIONAL
DEVICE connector on the front of the Control Unit in order to operate the Manipulator at
a short distance.
Emergency Stop switch, 3-position enable switch (dead-man switch), and ATTEND
(TEACH) control device enable/disable switch.
The name of the control device depends on the software used in your Control Unit as
shown below:
EPSON RC+ : TEACH control device
SPEL CT
Emergency Stop Switch:
The ATTEND (TEACH) control device and operation unit (option) and must be equipped
with the Emergency Stop switch. The EMERGENCY connector on the Drive Unit has
extension Emergency Stop input terminals used for connecting the Emergency Stop
switches.
These Emergency Stop inputs are internally connected to the relays for the dynamic brake.
Therefore, pressing any Emergency Stop switch can shut off the motor power
immediately and the robot system will enter the Emergency Stop condition.
6
Do not operate the system under the condition that the switch
The ATTEND (TEACH) control device should consist of the
: ATTEND control device
RC520 Rev.7