PREDATOR XS TURNTABLE STRETCH WRAPPER OPERATION MANUAL
HIGHLIGHT INDUSTRIES, INC. ● 2694 PRAIRIE SW; WYOMING; MI 49519 ● 1-800-531-2465
II-7
FREQUENCY DRIVE
FREQUENCY DRIVE
FREQUENCY DRIVE
FREQUENCY DRIVE
An electronic frequency motor drive is a device that controls the 3-phase AC induction motor’s
speed by varying the frequency of the power sent to the motor. The Predator Turntable Stretch
Wrapper uses Hitachi® L100-Series Adjustable Frequency Drives.
Hitachi AC Drive Digital Keypad Description
The digital keypad includes the displays panel and the keypad. The display panel provides the
parameter display and shows the operation status of the AC drive. The keypad provides
programming and control interface.
Exhibit 2-3: Description of Hitachi AC Drive Digital Keypad
1. Run/Stop LED: ON when the inverter output is ON and the motor is developing torque (Run
Mode), and OFF when the inverter output is OFF (Stop Mode).
2. Program/Monitor LED: This LED is ON when the inverter is ready for parameter editing
(Program Mode). It is OFF when the parameter display is monitoring data (Monitor Mode).
3. Run Key Enable LED: ON when the inverter is ready to respond to the Run key. OFF when
the Run key is disabled.
4. Run Key: Press this key to run the motor (the Run Enable LED must be ON first).
Parameter F004, Keypad Run Key Routing, determines whether the Rune key generates a
Run FWD or Run REV command.
5. Stop/Reset Key: Press this key to stop the motor when it is running (uses the programmed
deceleration rate). This key will also reset an alarm that has tripped.