xac The xac commands send messages over the serial cable to the THINK X-axis motion controller. The xac <nop> command pings the controller for test purposes, the xac <carriage> commands control the carriage, the xac <zdrive> commands control the zdrive, and the xac <drum> commands control the drum. Think_Motion_Controller xac diag xac nop xac carriage xac carriage init xac carriage move <velocity> xac carriage moveto <position> xac carriage jog <distance> xac carriage stop xac carriage position xac carriage velocity xac carriage idle xac plot velocity xac plot acceleration xac zdrive xac zdrive init xac zdrive moveto <position> xac zdrive move <velocity> xac zdrive jog <distance> xac zdrive stop xac zdrive position xac zdrive idle xac drum xac drum init xac drum spin <velocity> xac drum stop xac drum velocity xac drum idle xac debug <on|off> This command is available. Field 31-Jan-2008 ..\..\ShowAllErrors.htmFirmware 1 Error Index ..\..\ShowAllCommands.htmFirmware 1 Command Index ..\..\ShowAllParameters.htmFirmware 1 Parameter Index Updated: Thu Jul 17 07:25:51 2008 PST