Specifications

Doc Number: VIS-ANA-VER-01001-9002
Date: 27 May 2004
Issue: 5.0
Page: 42 of 80
Author: J. Delgadillo
Controls Preliminary Design Report Issue 5.doc
Figure 4.2.2.2.C – Cassegrain Rotator Cable Wrap Slaving
4.2.5.3 CASS Interlocking
The interlock chain will consist of the following contacts in series:
Emergency Stops (AZ Motor 1-2, AZ Motor 3-4, Alt Motor 1, Alt Motor 2, Alt Pier,
Equipment Room, and Cone E-stops)
Cass Positive/Negative Interlock Limit
Cass Stow Pin Engaged
Cass/Cass Cable Wrap Divergence
Cass LCU Interlock
If any of the above isolated contacts open, power is removed from the Cassegrain (2) and
Cassegrain cable-wrap (1) motor controllers and will independently remove the brake release
command (AD01 11.1.7 c spec).