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Frequently Asked Questions

Controller Installation


Does Pro-Dex OMS have an installation diagram, which shows me the basic requirements of installing an OMS motion controller?

Please contact us to receive full instructions on how to install an OMS motion controller.


Firmware Updates


Does Pro-Dex OMS customize firmware?

Yes, Pro-Dex OMS has the ability to customize firmware to meet customers' unique needs. Simply request a quote for a custom product for more specific information.


Does Pro-Dex OMS have a firmware fix for the watchdog reset problem?

Yes. The latest Pro-Dex OMS MAXv firmware update (ver. 1.33) includes access to an onboard watchdog timeout counter. This counter is used by the EPICS MAXv driver to conclusively determine if a watchdog timeout driven reset has occurred. For more information see:


Tuning Software


Does Pro-Dex OMS have a software package to assist in the set-up and tuning of a servo motor?

Yes, Pro-Dex OMS has a Servo Motor Tuning Assistant that provides the user with significant graphic information and assists in the set-up and tuning of a servo motor.  Please contact Pro-Dex OMS Technical Support to receive a copy of the tuning assistant.


Return Material Authorization


May I have a motion controller repaired by Pro-Dex OMS?

Yes, Pro-Dex OMS has an evaluation and repair process, which makes it easy for you: First, contact Pro-Dex OMS Customer Service by e-mail, by fax 1-503- 629-0688, or by phone 1-800-707-8111 to obtain a Returned Material Authorization (RMA) number. Please be prepared to provide the following information: Company Name; Your Name; Address; Phone; Fax; Ship-To Address; Model; Serial Number(s) (Example: PC48-4E, S/N 952); and purpose for the evaluation and repair. A credit card number or purchase order number will also be necessary.  Pro-Dex OMS' standard process takes up to 20 business days from receipt of the product to evaluate, test, repair (if repairable), and re-test the controller.  It is Pro-Dex OMS' standard procedure to update the firmware to the latest version unless you specify the original version, which came with the motion controller.  Contact Pro-Dex OMS Customer Service for fees on our standard evaluation and repair costs.


Software Support Policy


What is Pro-Dex OMS' current Software Support Policy?

A variety of support software is available for Pro-Dex OMS motion controllers.  This support is limited and designated for specified operating systems.  Pro-Dex OMS makes every attempt to provide this software free from defect and fully operational with Pro-Dex OMS controllers.  Any suspected defect in this software should be reported directly to Pro-Dex OMS.  Pro-Dex OMS' motion controllers have been successfully operated on the Windows® 95 and DOS operating systems for several years, however Pro-Dex OMS no longer support these legacy operating systems.  This is due in part to discontinued support by Microsoft® and hardware vendors.  For additional information about support life cycles of Microsoft® products, please contact us.


Discontinued Controllers


Why is Pro-Dex OMS discontinuing some motion controllers?

Pro Dex OMS has worked to maintain the availability of our mature product lines. Availability of purchased components to build these products is the gating factor.  As the manufacturers discontinue these components, Pro-Dex OMS takes the opportunity to purchase some as a last-time buy.  As the supply of those components is consumed and Pro-Dex OMS reaches the end of the supply, the product family is discontinued.  In most cases, Pro-Dex OMS has designed new controller families to replace the obsolete controller families.  Technical Support can help you in determining the correct new product family.  Pro Dex OMS continues to maintain component inventory to provide evaluation and repair maintenance for most of the older motion controllers.  The procedure for taking advantage of the evaluation and repair capability is covered in the Appendix of the User Manual. 


Does Pro-Dex OMS have follow-up products for the PC38 and PC39 family of motion controllers?

Yes. The PC48 family is a follow-up product for the PC38 and 39 family of motion controllers.  The PC48 is compatible with the Command Syntax and has the same 80-Pin connector.  The connectors and I/O interface used by the PC38 can be used. The PC48 is a half size ISA bus controller.  It can be installed in the same space as the PC38 or PC39, as well as smaller slot spaces.  The PC48 family of controllers uses an FPGA logic element as well as Surface Mount Technology.  It is recommended sufficient time be allotted to re-validate your application with a PC38 or PC39 application to make sure it functions as expected.  There may be slight timing differences caused by the use of the FPGA.  Interrupt oriented drivers are recommended.


Are there manuals for discontinued products?

Yes, there are hard copy manuals that can be purchased.  Electronic versions are not available for discontinued products.  Contact Customer Support to purchase a manual.