Gas Detection Controller (4 Channel)

SKU: 3911154
$ 4,995.00

  • Accepts inputs from up to four 4 – 20 mA sensors or transmitters as
    well as Buckeye Detection Systems wireless transmitters. Generates 24VDC external device power for transmitters and other devices.
  • Three adjustable independent alarm levels per channel. “Relay Acknowledge” feature allows silencing of external audible devices during alarm conditions.
  • Graphic LCD readout displays monitored data as bar graphs, engineering units and 30 minute trends. Alarm LED’s flash with new alarms and become steady after acknowledgement.
  • Two standard programmable SPDT alarm relays are configurable for Horn, High, Warn or Fault conditions.
  • Modbus® master / slave RS-485 serial port interfaces to Modbus® devices such as other Buckeye Detection Systems controllers, PLC’s, DCS and PC’s.
  • Cal Mode offers push button zero / span calibration functionality for direct sensor input applications.
  • Authorization mode allows locking of critical configuration settings.
  • Touch and magnetic keypad are standard for non-intrusive operation in potentially hazardous locations.
  • Enclosures include: Non-metallic, Epoxy Coated Steel, 316 S.S., NEMA 4X, and NEMA 7 explosion proof wall mount options.
  • Certified to CSA C22.2.No. 152 for combustible detection and Class I, Division 2, Groups A, B, C and D.
  • Non-volatile memory retains all configuration data indefinitely.
  • RS-485 Modbus® master / slave port for up to 128 devices to be multi-dropped on a single data highway for interrogation by another Modbus® master.
  • Six additional 5 amp SPDT discrete channel alarm relays available. (Two are standard)
  • 4 – 20 mA outputs, event log, strobe lights and audible annunciators are also available.
  • 50 and 120 Watt 24VDC power supplies are available.