Rockwell Automation 1794-VHSC 1794 FLEX I/O Very High Speed Counter Module User Manual - Manual (Page 63)

Rockwell Automation Publication 1794-UM010D-EN-E - July 2013 53
Appendix
B
Programming Your Very High Speed
Counter Module
To initiate communication between the 1794-VHSC very high speed counter
module and your PLC processor, you must use RSLogix 5000 software.
Refer to the RSLogix software manuals for information on communicating with
this 1794-VHSC very high speed counter module.