Comment pquest SNF 2010-03-12 15:52:23: Update

[eenriquez at snf.stanford.edu]

System not sensing the arm position sensor (micro switches) and the clamp position sensors.  Power ( 5, 15 and 24 VDC) to the motor drive controller checked OK.  Might be a bad opto coupler (MOC8112).  Need to troubleshoot further.