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Application Settings
Parameters are set as required in advanced programming mode (i.e., with the ADV indicator lit on the Digital
Operator). All the parameters that can be set in quick programming mode can also be displayed and set in
advanced programming mode.
nSetting Examples
The following are examples of settings for applications.
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When using an Inverter-mounted Braking Resistor (3G3IV-PEPFo), set L8-01 to 1 to enable Braking
Resistor overheating protection.
•
To prevent the machine from being operated in reverse, set b1-04 to 1 to disable reverse operation.
To increase the speed of a 60 Hz motor by 10%, set E1-04 to 66.0 Hz.
•
To use a 0 to 10-V analog signal for a 60 Hz motor for variable-speed operation between 0 and 54 Hz (0%
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to 90% speed deduction), set H3-02 to 90.0%.
•
To control speed between 20% and 80% to ensure smooth gear operation and limit the maximum speed of
the machine, set d2-01 to 80.0% and set d2-02 to 20.0%.
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No-load Operation
To start no-load operation (without connecting the machine to the motor), press the LOCAL/REMOTE Key
on the Digital Operator to change to LOCAL mode (the SEQ and REF indicators on the Digital Operator
should be OFF).
The motor and the machine must be checked for safety before starting Inverter operation from the Digital
Operator. Confirm that the motor works normally and that no errors are displayed at the Inverter.
Jog Frequency Reference (d1-17, default: 6.00 Hz) can be started and stopped by pressing and releasing the
JOG Key on the Digital Operator. If the external sequence prevent operation from the Digital Operator, con-
firm that emergency stop circuits and machine safety mechanisms are functioning, and then start operation in
REMOTE mode (i.e., with a signal from the control signal terminals). The safety precautions must always be
taken before starting the Inverter with the motor connected to the machine.
INFO
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Loaded Operation
Connect the machine to the motor and then start operation as described for no-load operation (i.e., from the
Digital Operator or by using control circuit terminal signals).
nConnecting the Load
After confirming that the motor has stopped completely, connect the mechanical system.
•
Be sure to tighten all the screws when securing the motor shaft to the mechanical system.
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Both a RUN command (forward or reverse) and a frequency reference (or multi-step speed command) must
be provided to start Inverter operation.
Input these commands and reference regardless of the operation method (i.e., LOCAL of REMOTE).
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Troubleshooting
