Precautions When A Problem Occurs - Omron R88D-KN01L-ECT-L User Manual

12-1-2 Precautions When a Problem Occurs

When checking and verifying I/O after a problem has occurred, the Servo Drive may suddenly start to
operate or suddenly stop. Always take the following precautions.
You should assume that anything not described in this manual is not possible with this product.
Precautions
• Disconnect the wiring before checking for cable breakage. If you test conduction with the cable
connected, test results may not be accurate due to conduction via bypassing circuit.
• If the encoder signal is lost, the motor may run away, or an error may occur. Be sure to disconnect the
loading equipment before checking the encoder signal.
• When performing tests, first check that there are no persons in the vicinity of the equipment, and that
the equipment will not be damaged even if the motor runs away.
Before performing the tests, verify that you can immediately stop the machine using an immediate
stop in case the machine runs out of control.
12-1-3 Replacing the Linear Motor or Servo Drive
Use the following procedure to replace the Linear Motor or Servo Drive.
Replacing the Linear Motor
Remove the Linear Motor by reversing the Motor installation procedure.
Precautions for Correct Use Precautions for Correct Use
• Disconnect all the cables connected to the Linear Motor in advance.
• Be very careful of the magnetic attraction force when removing the Magnet Track units.
1
Move the Motor Coil Unit to one side of the Liner Slider.
2
Remove the Magnet Track units on the side where the Motor Coil Unit is not located.
3
Move the Motor Coil Unit to the side of the Liner Slider, where the Magnet Track units
were removed.
4
To avoid problems caused by the magnetic attraction force, remove the Motor Coil Unit
on the side where no Magnet Track units are present.
5
Remove the remaining Magnet Track units in order, starting from the end of the Linear
Slider.
6
Install a new Motor according to the Linear Motor installation procedure.
G5-series Linear Motors/Servo Drives With Built-in EtherCAT Communications
12 Troubleshooting and Maintenance
12
12 - 3