User`s manual
ADT-8840 Four-Axis Off-Line Motion Control Card User’s Manual 
http://www.adtechcn.com  1 
Declaration on Copyright 
The copyright of all parts in this Manual is reserved by ADTECH (SHENZHEN) 
CNC TECHNOLOGY CO. LTD (hereinafter referred to as “ADTECH”) and, without 
permission by ADTECH, nobody shall reproduce, copy, transcribe or translate any 
part therein. No part of this Manual shall be considered as warranty, expression of 
standpoint or other implications in any form whatsoever. If any information is 
disclosed, either directly or indirectly, any profit is lost or undertaking is terminated 
just because of the information indicated in this Manual or on the product it describes, 
ADTECH and its employees shall bear no responsibility. In addition, the 
specifications and other materials mentioned in this Manual shall only be used for 
reference and the contents therein shall be subject to change without prior notice. 
Trademark 
The product names are only mentioned in this Manual for the purpose of identification, 
which may be the trademark of others or whose copyright is reserved by others. We 
hereby declare that: 
※  INTEL and PENTIUM are the trademarks of Intel Corporation; 
※  WINDOWS and MS—DOS are trademarks of Microsoft Corporation; 
※  ADT-8840 is the trademark of ADTECH; 
※  Marks not mentioned here belong to their respective companies that 
underwent the registration procedures. 
All rights reserved. 
ADTECH (SHENZHEN) CNC TECHNOLOGY CO. LTD 










