Phoenix HT User Manual
© 2007–2012 Rigaku Automation, Inc.
8
401718 Rev A
1.2.8 Plate and Shelf Sensors
A sensor bar over the shelves holds the plate sensors and the shelf sensors. The shelf sensors
determine whether the upper or lower shelf is in the sensing position. Plate sensors determine
whether a plate is present in a specific position on a shelf.
Figure 14. Sensor Bar for Plate and Shelf Position Sensors
1.2.9 Active Nest Terminals
The Active Nests, if installed, can receive commands only when the terminals on the shelf are in
contact with the terminals on the front of the base unit.
Figure 15. Active Nest Terminals
1.3. Safety Features
The basic safety features that have been designed into the system include:
Servo motors tuned for safety
Grounded power supply system
Enclosed work area (
CrystalMation
system only)
Access door interlocks (
CrystalMation
system only)
Shelf
position
sensors
Plate sensors
Terminals for active nests
(lower shelf terminals are connected)
