Checking No-Load Operation; Checking Loaded Operation; Checking And Recording User Constants - YASKAWA CIMR-MX1S Instructions Manual

Checking No-load Operation

Disconnect the motor from the machine, and then press the LOCAL/REMOTE Key on the Digital Operator to
select LOCAL mode (the LED indicator lamps SEQ and REF on the Digital Operator will turn off).
After confirming safety conditions around the motor and the machine, operate the Matrix converter from the
Digital Operator. Confirm that the motor rotates correctly and that no fault is displayed on the Digital Opera-
tor.
The motor will continue running at the JOG speed reference (d1-17, factory setting 10.00%) as long as the
JOG Key on the Digital Operator is being pressed. If the external sequence prevents operation from the Digital
Operator, confirm that the emergency stop circuits and machine safety mechanisms function correctly, and
then start operation in REMOTE mode (i.e., with signals from the control circuit terminals). Safety precau-
tions must always be taken whether if the motor is connected to a machine or not.
INFO

Checking Loaded Operation

Connect the machine to the motor, and start operation from the Digital Operator or using signals from the con-
trol circuit terminals in the same way as described in No-load Operation.
Connecting the Load
After confirming that the motor is completely stopped, connect the machine to the motor.
•
Be sure to tighten all screws when securing the motor shaft to the machine.
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Operation Using the Digital Operator
Use the Digital Operator to start operation in LOCAL mode in the same way as for no-load operation.
•
Make sure that the STOP Key on the Digital Operator can be easily accessed in case of fault occurrence.
•
Set the frequency reference to a low-speed value, approximately one tenth of the actual operation speed.
•
Checking Operation Status
Confirm that the operating direction is correct and that the machine operates smoothly at a low-speed, and
•
then increase the frequency reference.
Change the frequency reference and rotation direction to confirm that there is no vibration or abnormal
•
noise from the machine. Check the monitor display to ensure that U1-03 (Output Current) is not too high.
If there are problems such as hunting and vibration caused by control performance, refer to Making Adjust-
•
ments page 4-9 and adjust the settings.

Checking and Recording User Constants

Check the constants for which the settings were changed during trial operation, and record them in the con-
stants table.
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4
Both a Run command (forward/reverse) and frequency reference (or multi-step speed reference) must be
input to start Matrix converter operation.
Input the command and reference whether the operation method is Local or Remote.