Overview

ETC’s Unison DRd Series Rack Enclosures are the workhorses behind the scenes, supporting two processor options and a variety of dimming, switching and option modules. DRd Rack Enclosures are trusted for their reliability and versatility

Applications

• Houses of worship
• Hotels
• Convention centers
• Theatres
• Schools
• Restaurants

Features

• All-On – clearly marked switch allows for all loads to be turned on to full, without the need for a control processor
• HighFault – protection from power spikes and surges with short-circuit current ratings from 22,000 amps
• Regulation – monitoring and adjustment of incoming line voltage with min and max scale voltages
• Bypass – emergency lighting control bypass input with load shedding
• Hold Last Look – dimming engine holds the last output during any loss of control
• QuickBoot – dimming engine boot time of less than four seconds
• HiRes Dimming – support for 16-bit DMX and over 65,000 steps of dimming

Specifications

GENERAL

• DRd rack enclosures available in two sizes: DRd6 with support for six modules and up to 12 circuits and DRd12 with support for 12 modules and up to 24 circuits
• Full eight-year warranty
• FUNCTIONAL
• High-density dimming for incandescent, fluorescent, neon, cold cathode, electronic and magnetic low-voltage transformer load types
• 16-bit DMX input
• Designed for reliable, continuous operation

MECHANICAL

• Welded 18-gauge formed steel construction
• Surface- or floor-stand mount
• Hinged, lockable full-height door with electrostatic air filter
• Fine-textured, scratch-resistant epoxy paint
• Integral low-voltage fan
• Modular control electronics

ELECTRICAL

• UL Models
  • 120/208 V Three Phase, Four Wire + Ground
    • Supports Voltages down to 100/170 V Nominal
  • 120/240 V Bi-Phase, Three Wire + Ground supported using reconfigurable bus bars
    • 277/480 V Three Phase, Four Wire + Ground
    • Supports Voltages down to 240/415 V Nominal
    • Voltage tolerance ± 10%
  • Single-Pole, Neutral Disconnect or Residual Current Device (RCD) per dimmer
  • Operating frequency: 50–60 Hz
  • DRd6/DRd12 Rack Enclosure fault current protection:
    • 22,000 A Short Circuit Current Withstand

THERMAL

• Ambient room temperature: 0°C to 40°C (32°F to 104°F)
• Ambient humidity: 10%–90%, non-condensing

REGULATORY AND COMPLIANCE

• All enclosures are cULus Listed
• UL 924 Listed

ACCESSORIES AND OPTIONS

CONTROL PROCESSORS

• Echo Architectural Control Processor (E-ACP)
• Paradigm Architectural Control Processor (P-ACP)

STATION POWER OPTIONS

• Echo Station Power Module (E-SPM)
  • Provides EchoConnect power for up to 16 Echo control devices and 16 Echo output devices
  • Supports up to 500 m (1,640 ft) of station bus wiring
• Paradigm Station Power Module (P-SPM)
  • Provides LinkConnect power for up to 32 Unison stations
  • Provides 24 V auxiliary power for interface and touchscreen stations
  • Allows for up to 500 m (1,640 ft) of station bus wiring

ACCESSORIES

• Unison RideThru Option (URTO)
  • Short-term power backup of control electronics for at least 10 seconds
  • Automatically engages when power is lost
  • Recharges during normal power operation
• Unison Battery Pack Option (UBPO)
  • Long-term power backup of control electronics for at least 90 minutes
  • Automatically engages when power is lost
  • Recharges during normal power operation
• 0–10 V (four-wire) control option (DRd-LVD)*
  • 0–10 V (sink) driver and ballast control
  • Up to 24 outputs
  • 100 mA per channel
• DALI Ballast option (DRd-DALI)*
  • Support for 24 loops of DALI control in broadcast mode
  • Up to 64 ballasts per output
  • External DALI power supply required (by others)