Yamaha RCX222, User Manual

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BEFORE USING THE ROBOT CONTROLLER (BE SURE TO READ THE FOLLOWING NOTES)
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Before using the robot controller (Be sure to read the following notes)
Please be sure to perform the following tasks before using the robot controller.
Failing to perform these tasks will require absolute reset for setting the origin position
each time the power is turned on or may cause abnormal operation (vibration, noise).
[1] When connecting the power supply to the robot controller
Always make a secure connection to the ground terminal on the robot controller to
ensure safety and prevent malfunctions due to noise.
Reference
Refer to "4. Connecting to the power" in Chapter 3, "Installation".
[2] When connecting the battery cable to the robot controller
The absolute batteries shipped with the controller are unused, and the battery
connectors are left disconnected to prevent discharge. After installing the controller,
always be sure to connect the absolute battery while referring to "9. Connecting the
absolute battery" in Chapter 3 before connecting the robot cables.
An error (relating to absolute settings) is always issued if the robot controller power
is turned on without connecting the absolute batteries, so the origin position cannot
be detected. This means the robot connected to this controller cannot be used with
absolute specifications.
[3] When connecting robot cables to the robot controller
Be sure to keep robot cables separate from the robot controller power connection
lines and other equipment power lines. Using in close contact with lines carrying
power may cause malfunctions or abnormal operation.
Reference
Absolute reset is always required when the robot controller power is first
turned on after connecting the robot cable to the robot controller. Perform
absolute reset while referring to "11.8 Absolute reset" in Chapter 4,
"Operation".
Absolute reset is also required after the robot cable was disconnected from
the robot controller and then reconnected.