The WAGO USB Communication Cable connects a PC (notebook) to both the service interface of the 857 Series Signal Conditioners and the configuration interface of WAGO's I/O fieldbus couplers/controllers.
Using the WAGO 759-923 USB Communication Cable
in combination with select programmable fieldbus controllers
requires the specific firmware versions listed below:
750-841: Firmware Version 12 (or higher)
750-872/0020-0000: Firmware Version 2 (or higher)