annotated rlvdt.tcl picture

Purpose

This program allows one to read the current position of the LDVT unit attached which encodes the position of the LRIS blue camera dewar focus.

Invocation

Launch the program by either typing the following command at the lrisserver command line:
rlvdt.tcl

Usage

The GUI should be ready to read the blue camera focus LVDT when it is executed. There is only one LDVT device on LRIS and the appropriate settings for terminal server and port are the default input for this program. Possible actions are:
Read position.
Click READ to get the current value of the Keithley Metrabyte ADC connected to the LVDT.
Quit.
Click QUIT to end the program.