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Summary of Contents for Woodward EPU-100
- Page 1 37561 EPU-100 „Electronic Pickup Unit“ Remanence Voltage Converter for Asynchronous Generators Technical Manual Version 1.0 Technical Manual 37561...
- Page 2 Provides other helpful information that does not fall under the warning or caution categories. Woodward reserves the right to update any portion of this publication at any time. Information provided by Woodward is believed to be correct and reliable. However, Woodward assumes no responsibility unless otherwise expressly undertaken.
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Page 3: Table Of Contents
This publication may have been revised or updated since this copy was produced. To verify that you have the latest revision, be sure to check the Woodward website. The revision level is shown at the bottom of the front cover after the publication number. The latest version of most publications is available at: http://www.woodward.com/publications... - Page 4 Product Service Options ........................16 Returning Equipment for Repair ......................16 Due to the fact that the EPU-100 is a low cost one PCB solution, replacement will be prioritized before repair. Warranty conditions are not affected. Anyway please send the repair candidate back for analysis reasons.
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Page 5: General Information
No adjustment needed. In combination with Woodward’s easYgen devices installation and configuration becomes very easy. EPU-100 input and supply power is already available. Configuration is just one parameter setting away. EPU-100 is preferred especially for small gensets. NOTE The present manual has been prepared to enable the installation and commissioning of the unit. -
Page 6: Intended Use
• is intended to be used with gensets only. Woodward offers kits for asynchronous genset control that cover both EPU-100 together and easYgen- 2000 or easYgen-3000. An Application Note describes the best practice implementation and use of this kit. -
Page 7: Electrostatic Discharge Awareness
CAUTION To prevent damage to electronic components caused by improper handling, read and observe the precautions in Woodward manual 82715, Guide for Handling and Protection of Electronic Controls, Printed Circuit Boards and Modules. © Woodward... -
Page 8: Installation
EPU-100 is prepared for DIN rail mounting: • Attach the upper snap-on guide to the DIN rail • Press the EPU-100 down onto the DIN rail until it locks into position Drawing 1: Housing with circuit diagram and terminals Page 8/20 © Woodward... -
Page 9: Wiring
0 V reference Batt. ; (Power supply) 0.2 .. 2.5 mm² 0.2 .. 4 mm² Batt. Table 2. Terminal wiring For use with Woodward easYgen please connect MPU OUT of the EPU-100 with easYgen terminal for MPU input. © Woodward Page 9/20... -
Page 10: Functional Description
The LED’s blinking frequency is 4 times lower than the genset rotation frequency to be visible. Signal Conversion ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ The output frequency V of the EPU-100 is 8 times higher than the frequency of the input voltage Page 10/20 © Woodward... -
Page 11: Configuration
Configuration CAUTION Configuration only if system is off. No configuration for EPU-100. Configuration has to be done at genset controller side! NOTE There is no standard for the MPU signal defined. EPU-100 working together with easYgen series genset controllers just needs configuration as described below. -
Page 12: Operation
Manual 37561 Remanence Voltage Converter - EPU-100 Operation WARNING – HIGH VOLTAGE Please follow the safety regulation – especially for working with high voltage! Take care to be well instructed for first aid caused by electrical accidents. Don’t contact hazardous parts:... -
Page 13: Application
Parameter 1602 (Fly wheel teeth) need to be set to the value corresponding to the matching value listed on page 11 e.g.,: After this software setup the easYgen can interprete the MPU signal coming from the EPU-100. Application Setup of EPU and easYgen Connect EPU-100 as described with chapter Installation on page 8. -
Page 14: Trouble-Shooting
Manual 37561 Remanence Voltage Converter - EPU-100 Trouble-Shooting Problem Reason Why Solution No supply voltage Check supply voltage LED off supply voltage polarity mismatch Check shielding LED toggling all the time Input with open connection (with mains frequency) works like antenna for mains... - Page 15 Manual 37561 Remanence Voltage Converter - EPU-100 Appendix 1. Technical Data Attribute Unit Value Remarks Remanence Voltage input 0.5 .. 600 L1 – L2 kΩ > 240 Input impedance Input frequency range 16 .. 85 128 .. 680 8 times higher than input...
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Page 16: Service
Returning Equipment for Repair ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ If a control (or any part of an electronic control) is to be returned to Woodward for repair, please contact Woodward in advance to obtain a Return Authorization Number. When shipping the unit(s), attach a tag with the following information: •... -
Page 17: Packing A Control
Department in Stuttgart [+49 (0) 711 789 54-510]. They will help expedite the processing of your order through our distributors or local service facility. To expedite the repair process, contact Woodward in advance to obtain a Return Authorization Number and arrange for issue of a purchase order for the unit(s) to be repaired. -
Page 18: How To Contact Woodward
+49 (0) 711 789 54-101 eMail: stgt-info@woodward.com For assistance outside Germany, call one of the international Woodward facilities to obtain the address and phone number of the facility nearest your location where you will be able to get information and service. -
Page 19: Technical Assistance
Manual 37561 Remanence Voltage Converter - EPU-100 Technical Assistance ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ If you need to telephone for technical assistance, you will need to provide the following information. Please write it down here before phoning: Contact Your company _____________________________________________ Your name ________________________________________________... - Page 20 Phone +49 (0) 711-789 54-510 • Fax +49 (0) 711-789 54-101 stgt-info@woodward.com Homepage http://www.woodward.com Woodward has company-owned plants, subsidiaries, and branches, as well as authorized distributors and other authorized service and sales facilities throughout the world. Complete address/phone/fax/e-mail information for all locations is available on our website (www.woodward.com).
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