Introduction
From Dyne Systems, Inc.
The DS820F Power Amplier Unit (PAU) is a third generation, intelligent universal Eddy Current
Power Amplier Unit. It is an analog controller with a digital front end that offers greater exibility for
upgrading existing test cells, or for entirely new test installations. The potential applications for the
PAU range from simple manual control to fully integrated closed loop installations. The PAU interfaces
with all of Dyne Systems’ existing dynamometer controllers, as well as industrial PC/PLC 24 VDC
logic-based controllers running third party software.
The PAU provides a unique set of features:
• Set up is simple and straightforward.
• The front panel diagnostic LCD display eliminates guesswork by displaying real time eld
current, input command, status and fault messages.
• System status can also be reported via PLC level I/O to external controls.
• An analog voltage or current input enables the unit to be used as a standalone open loop eddy
current power amplier.
• It can be integrated into existing test cells with fully integrated closed loop control units.
• The modular construction of the PAU allows it to be interfaced with different dynamometer
control components.
The PAU is available in wall mount or in a space saving and reduced wiring rack mount version. It
also provides signicantly increased current capabilities with ratings of 15, 30, 50 and 100 amps at up
to 400 VDC. Higher non-standard current ratings can easily be custom engineered.
For customers who prefer to get leading edge performance and test cell system integration from a
single provider, Dyne Systems’ new PAU fully integrates with Dyne Systems’ dynamometer controls
and eddy current dynamometers.
NOTE: This manual is intended for use by qualied personnel only. All Dyne Systems’ approved
drawings (if included) and specic instructions for this equipment must take precedence over
general information contained in this manual.
Thank you for purchasing this product from Dyne Systems. Our staff is at your disposal, should you
need information or support that is not found in this manual.
CONTROLS, DYNAMOMETERS, SYSTEM INTEGRATION AND TEST CELL AUTOMATION
Dyne Systems, Inc. • W209 N17391 Industrial Drive • Jackson, Wisconsin 53037
phone: 800.657.0726 • website: www.dynesystems.com
Dyne Systems • DS820F PAU
DPD-001-04B • © Copyright Dyne Systems, Inc.
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