This stepper motor control unit is primarily used to control sample environment movement. It is more portable than the Galil system and has only 1 or 2 axes. It has a very simple instruction set and can be driven by a computer or by an optional jog system.
![McLennan Motion Controller](/Gallery/P1140351.JPG)
ISIS Electronics Internal Link
Manufacturer's Website: https://www.mclennan.co.uk/