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Introduction
Congratulations on the purchase of the new H9 True Torque Control
2
Adjustable Speed Drive (ASD).
The H9 True Torque Control
2
Adjustable Speed Drive is a solid-state AC drive that features True
Torque Control
2
. Toshiba’s Vector Control Algorithm enables the motor to develop high starting torque
and provide compensation for motor slip, which results in smooth, quick starts and highly efficient
operation. The H9 ASD uses digitally-controlled pulse width modulation. The programmable functions
may be accessed via the easy-to-use menu or via the Direct Access Numbers (see page 76). This feature,
combined with Toshiba’s high-performance software, delivers unparalleled motor control and reliability.
The H9 ASD is a very powerful tool, yet surprisingly simple to operate. The user-friendly Electronic
Operator Interface (EOI) of the H9 ASD has an easy-to-read graphical LCD screen. There is also a read-
only LED display with enhanced visibility that can be read from a greater distance. The EOI provides
superior viewing features for the user and easy access to the many monitoring and programming features
of the H9 ASD.
The motor control software is menu-driven, which allows for easy access to the motor control parameters
and quick changes when required.
To maximize the abilities of your new H9 ASD, a working familiarity with this manual will be required.
This manual has been prepared for the H9 ASD installer, user, and maintenance personnel. This manual
may also be used as a reference guide or for training. With this in mind, use this manual to develop a
system familiarity before attempting to install or operate the device.
Important Notice
The instructions contained in this manual are not intended to cover all details or variations in equipment
types, nor may they provide for every possible contingency concerning the installation, operation, or
maintenance of this equipment. Should additional information be required contact your Toshiba
representative.
The contents of this manual shall not become a part of or modify any prior or existing agreement,
commitment, or relationship. The sales contract contains the entire obligation of Toshiba International
Corporation. The warranty contained in the contract between the parties is the sole warranty of Toshiba
International Corporation and any statements contained herein do not create new warranties or modify the
existing warranty.
Any electrical or mechanical modifications to this equipment without prior written consent of
Toshiba International Corporation will void all warranties and may void the UL/CSA listing or
other safety certifications. Unauthorized modifications may also result in a safety hazard or
equipment damage.
Misuse of this equipment could result in injury and equipment damage. In no event will Toshiba
Corporation be responsible or liable for direct, indirect, special, or consequential damage or injury
that may result from the misuse of this equipment.