Interface design associates pvt ltd manufactures low-cost pci bus compatible 3-axis motion controller cards [pci-sc-01], that provide standard step motor control output in the form or pulse, direction, resolution and drive enable signals and can be u sed for interface to limit switches, colenoids, etc. A plug-in-play compatible card, the interface signals are brought out on easy- to-use d-type connectors. Drivers are provided under windows 98se, me and 2000. Sample programs are also provided under visual c++. Additional a software package called win-cnc is offered, which enable the user to programme the machine with industry standard g-closed loop control applications, where encoder feedback is essential, the pci-en-01 card can be used.