Toshiba vlp technology P9 ASD Installation & Operation Manual page 3

Introduction
Congratulations on the purchase of the new P9 Adjustable Speed Drive!
The P9 Adjustable Speed Drive (ASD) is a solid-state AC drive that features Toshiba International
Corporation's (TIC) new Virtual Linear Pump function. The VLP algorithm was designed to remove
the guess work that is associated with the setup of pumping systems. The VLP algorithm allows for
precise, linear, and consistent pump curve responses at any flow or pressure setting!
The Virtual Linear Pump function allows for direct and precise pumping system control. This is
accomplished without the normal concerns of the adverse effects of conventional pumping system
control response curves.
Toshiba's VLP algorithm is further enhanced by the introduction of the new Time-Based Alternation
(TBA) function! Time-Based Alternation optimizes load sharing and offers a significantly decreased
level of system down-time.
Time-Based Alternation provides a more evenly-spread machine wear pattern for all motors and
pumps of the system. Load sharing is optimized by allowing all pumps to alternate as the primary pump
while the remaining pump(s) operate in an ancillary mode for time intervals that are determined by the
user.
The decreased system down-time is realized in the event of a failure of one or more pumps, when
seamlessly, the system continues to operate, albeit with a diminished capacity.
Using VLP and Time-Based Alternation, the system seamlessly and easily adapts to peak load
demands while maintaining the same degree of high performance and reliability output across the entire
load range - without any user intervention!
The VLP and Time-Based Alternation algorithms coupled with Toshiba International Corporation's
Vector Control Algorithm provides setup ease, enhanced reliability, and precise control under the most
demanding conditions. All while enabling the motors of the system to develop high starting torque and
provide compensation for motor slip, which results in smooth, quick starts, and highly efficient
operation.
The programmable functions may be accessed via the easy-to-use menu or via the Direct Access
Numbers (see pg. 81). This feature, combined with Toshiba International Corporation's high-
performance software, delivers unparalleled motor control, reliability, and ease of use.
The P9 is a very powerful tool, yet surprisingly simple to operate. The user-friendly Electronic
Operator Interface (EOI) of the P9 has an easy-to-read LCD screen. There is also a high-visibility
LED screen that can be read from a greater distance. The EOI provides easy access to the many
monitoring and programming features of the P9.
To maximize the abilities of your new P9, a working familiarity with this manual is required. This
manual has been prepared for the 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
familiarity with the P9 before attempting to install, operate, or perform maintenance on the device.