Power
Low-voltage Class 2 (PELV)
Operating Voltage: 12/24 V Direct Current.
Basic RS232 Command Set
• Monitoring: Scene selection and scene status updates.
• Control: Scene selection, scene lockout, sequencing, zone lockout, zone raise/lower.
Astronomic Timeclock
• Allows lighting changes to occur automatically based on time of day and/or day of week/month,
as well as relative to sunrise and sunset.
• Supports four schedules with 60 lighting events per schedule and one Super Sequence.
• Allows user to start, pause, and stop schedules from a PC, a Wallstation, or by a DIP switch on
the Interface.
• Provides commands to set and monitor the Timeclock’s time, date, and day of week, and report
sunrise and sunset.
Programmer Interface
Permits complete set up of the following on GRX-3500 or GRX-4500 Control Units via an
IBM
TM-compatible PC:
• Scenes, including light levels in 1% increments and fade times.
• Load type settings.
• Tamper-proof protection of scenes.
• Assignment of communication between Control Units and Wallstations.
• Dimmer Panel zone and load assignment
Allows an IBM-compatible PC to query GRX-3500 and GRX-4500 Control Units for their setup,
including type of Control Unit and number of zones.
LIAISONTM Software
• Allows use of a PC to create timeclock schedules for all GRX-3000 and GRX-4000 Control Units.
• Allows use of a PC to create setups for GRX-3500 and GRX-4500 Control Units.
• Provides downloading of schedules and setups to GRX-PRG Interface and Control Units.
• Works on any PC operating with Windows
® 3.1 or higher.
• Supplied by Lutron. Updates are available online at www
.lutron.com
System Communications and Capacity
• Low-voltage type Class 2 (PELV) wiring connects GRX-PRG Interface to Control Units and other
components.
• One GRX-PRG Interface per GRAFIK Eye 3000 or 4000 system. Automatically occupies
wallstation address 16.
• 50 feet (15m) maximum from GRX-PRG Interface to PC or other RS232 source.
Environment
32-104°F (0-40°C). Relative humidity less than 90% non-condensing.
Specifications