Setup & Operation 1. Safety
8
G3 Rev.14
1.4 Emergency Stop
Emergency stop motions of the Manipulators vary due to difference of control methods of
the Controllers. See the section for your Controller model.
1.4.1 RC180
If the Manipulator moves abnormally during operation, immediately press the Emergency
Stop switch. Stops the power supply to the motor, and the arm stops in the shortest
distance with the dynamic brake and mechanical brake.
However, avoid pressing the Emergency Stop switch unnecessarily while the Manipulator
is running normally. Otherwise, the Manipulator may hit the peripheral equipment since
the operating trajectory while the robot system stops is different from that in normal
operation. It may also result in short life of the reduction gear unit due to the shock or
the electromagnetic brake due to the worn friction plate.
To place the system in emergency mode during normal operation, press the Emergency
Stop switch when the Manipulator is not moving.
Refer to the Controller manual for instructions on how to wire the Emergency Stop switch
circuit.
Do not press the Emergency Stop switch unnecessarily while the Manipulator is operating.
Pressing the switch during the operation makes the brakes work. This will shorten the
life of the brakes due to the worn friction plates.
Normal brake life cycle: About 2 years (when the brakes are used 100 times/day)
Do not turn OFF the Controller while the Manipulator is operating.
If you attempt to stop the Manipulator in emergency situations such as “Safeguard Open”,
make sure to stop the Manipulator using the Emergency Stop switch of the Controller.
If the Manipulator is stopped by turning OFF the Controller while it is operating,
following problems may occur.
Reduction of the life and damage of the reduction gear unit
Position gap at the joints
In addition, if the Controller was forced to be turned OFF by blackouts and the like while
the Manipulator is operating, make sure to check the following points after power
restoration.
Whether or not the reduction gear is damaged
Whether or not the joints are in their proper positions
If there is a position gap, perform calibration by referring to the
Maintenance 14.
Calibration
in this manual.
Before using the Emergency Stop switch, be aware of the followings.
-
The Emergency Stop (E-STOP) switch should be used to stop the Manipulator only
in case of emergencies.
-
To stop the Manipulator operating the program except in emergency, use Pause (halt)
or STOP (program stop) commands
Pause and STOP commands do not turn OFF the motors. Therefore, the brake does
not function.
-
For the Safeguard system, do not use the circuit for E-STOP.
Summary of Contents for G3 Series
Page 1: ...Rev 14 EM183R3623F SCARA ROBOT G3 series MANIPULATOR MANUAL ...
Page 2: ...MANIPULATOR MANUAL G3 series Rev 14 ...
Page 8: ...vi G3 Rev 14 ...
Page 14: ......
Page 84: ...Setup Operation 5 Motion Range 72 G3 Rev 14 ...
Page 86: ...74 ...
Page 200: ...Maintenance 15 Maintenance Parts List 188 G3 Rev 14 ...