This controller is part of the linear correction software. It is used with both Laser10 and LaserXL. It provides automatic linear correction to a range of CNC machine tool controllers.
Siemens 810, 810D, 820, 840, 840D, 880 Controller Model
Portable Laser Measurement and Calibration| Software | Siemens 810, 810D, 820, 840, 840D, 880