> Lighting Control > System Units > 5500PACA,C-Bus® Pascal Automation Controller 
Pascal Automation Controller
• Provides extended conditional and real-time event programming for C-Bus®
• Programs downloaded to the unit from a PC
• Connects directly to C-Bus®
• Powered from C-Bus®
• 4M DIN modules wide
• 2 x RS-232 ports for third party device control
• A scheduling tool allows time based events to be programmed into the unit
• A scene programming tool allows installers to quickly and easily program scenes into the unit
• A programming wizard provides a GUI based method for creating basic logic programs.
• More complex programs are produced by advanced users utilising the freeform text programming method
• Programming language based on the standard Pascal computer language, enhanced by Clipsal with specific commands related to C-Bus® control.
• The language supports commands such as:
o Conditional logic (if then, and, or, not etc)
o Flow Control (for, repeat, while)
o Variables (integer, real, Boolean, character, string)
o Control and monitor C-Bus® group addresses
o Control and monitor C-Bus® scenes
o C-Bus® tag names
o Serial (RS-232) input/output.
