Data Link Databus VSS & RPM Sender

SAE J1939 to Analog VSS and Tach Converter


The TM1939-K Data Link provides an interface between an engine's J1939 databus and a tachograph, speedometer/tachometer, or other device requiring a VSS and/or RPM input.





  • Converts J1939 to simultaneous VSS and RPM signals.
  • Plug and play, no configuration required.
  • Works with electronic speedos, tachs, tachographs, telematics systems, and more.
  • Small and compact for easy installation.
  • Technical support for the life of the product
  • Custom programming available. Contact us for more information.

 Data-Link Databus VSS Sender

 User manual & installation instructions








©2023 CA Instruments Ltd.
Toll Free: 1-866-963-6016 Ph: 780-963-8930 Fax: 780-963-8230
Email: sales@c-a-i.net
®Registered Trademark of CA Instruments Ltd. Any use of material from this site must be authorized by CA Instruments Ltd. 		Member Since 2009 FOLLOW US ON: