D-UG 660

Control unit

Self-monitoring and fail-safe control unit for the monitoring of gas, oil and coal flames with DURAG UV, UV+IR or IR- flame sensors, primarily in multiple-burner furnaces.

Overview

  • Suitable for intermittent operation, continuous operation and 72-hour operation as per TRD 604
  • Optional parallel operation of two flame sensors in any combination: UV/UV, UV/IR or IR/IR
  • Three different settings supported for various modes (e.g. dependent on fuel or combustion technology), automatic activation by burner management system
  • Plain text display

Applications

  • Power stations
  • Chemical industry
  • Refineries
  • Cement plants
  • Waste incinerators
  • Steam generators
  • Heating plants

Technical Data

Operation modeIntermittent operation, continuous operation,
72-hour operation without continual supervision
SafetySelf-monitoring and fail-safe
Power supply24 VDC, 115/230 VAC
ProtectionIP00
Flame relay1x switch-over contact, 230 VAC, 2 A
Status relay1x switch-over contact, 230 VAC, 2 A
Threshold setting00...99
Safety time1 ... 5.5 s
Pre-configurable combinations of switching threshold and safety time3
Flame sensor connection1 or 2 (parallel)
Displayalpha-numeric LCD display
Flame intensity0/4...20 mA
Flame signal0/4...20 mA
Perm. ambient temperature-20...+60°C
Dimensions19” plug-in module, 3 RU, 21 HP
Weightapprox. 1 kg

Accessories

  • Digital display for optimal adjustment of the flame sensors by measuring
    the pulse rate and its extreme values (D-ZS 087 - 20)
  • Optical adjustment aid for the alignment of the Swivel mount on the sighting tube (D-ZS 118)
  • UV-C test light source 230 V / 50 Hz (D-ZS 077-10)
  • UV-A, UV-B and IR test light source 230 V/50 Hz (D-ZS 093)
  • Swivel mount for alignment of flame monitor to the flame to be monitored (D-ZS 033 - I)
  • Thermal isolator with electrical isolation (D-ZS 117 - I)
  • Ball valve for closing sighting tube (D-ZS 133 - I)
  • Terminal box for connecting flame monitor (D-ZS 140 / 141)
  • Various enclosures and racks for 1 to 4 devices

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