Toshiba ASD 9 Series Manual page 4

Introduction
Congratulations on your purchase of the Toshiba 9-Series ASD. The 9-series ASD has been designed to
provide excellent speed and torque control in an open-loop feedback configuration.
The 9-series ASD performance can be further enhanced by using either process-based or speed-based PID
control. PID is a closed-loop technique that minimizes error by reacting to three feedback values:
• One value that is proportional to the error.
• One value that is proportional to the cumulative error.
• One value that is proportional to the rate of change of the error.
Important Notice
The instructions contained in this manual are not intended to cover all details or variations in equipment
types. Nor may it 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 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.
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