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8 channel high performance Controller with logic control and priority settings for smaller gas detection applications.


The FCS-8 Flexible Control System is a sophisticated, high performance controller that offers up to 8 gas channel configurations for monitoring toxic, combustible and refrigerant gases with versatile control functionality for non-hazardous, non-explosion rated, commercial and light industrial applications. The FCS is designed to accept inputs from digital and/or analog transmitters and/or Peripheral Devices (in various combinations), using Modbus® RTU RS-485 or 4-20 mA analog input.


  • Up to 8 channels of gas readings
  • FCS-M offers Modbus® RTU RS-485 digital output signal for LAN and WAN communications
  • FCS-B offers BACnet® MS/TP RS-485 output signal for WAN communications (for communicating with a BAS)
  • Graphic, full colour, resistive rouch LCD screen with LED indicators
  • Enhanced logic control, zoning and priority structure capabilities
  • Supports 4-20 mA and Modbus® driven VFDs
  • 4 dry contact relays, 5-amps @240 volts each
  • Line Voltage (90-240 VAC)
  • USB port for firmware upgrades and data logging
  • Two horn/strobe output drives
  • Configurable to comply with California Title-24 Energy Efficiency Standards
  • Door mounted audible alarm, optional water tight version available
  • Standard water / dust tight, corrosion resistant enclosure (drip proof); IP54 rated with water tight, door mounted audible alarm installed

FCS-8 Flexible Control System (up to 8 Channels)

  • Mechanical



    ABS / Polycarbonate, copper coated interior to reduce RF interference


    IP54 rating with door mounted, water tight buzzer installed

    User Interface



    8.1 cm (3.2”) graphic, 1/4 VGA full colour resistive touch LCD screen with LED indicators for “POWER”, “STATUS 1, 2 and 3” and “FAULT”




    Modbus® RTU RS-485 input (max 8, no analog inputs)


    4-20 mA analog input (optional) (max 8, no digital inputs)


    Modbus® RTU RS-485 output to remote networked devices


    Modbus® RTU RS-485 (model: FCS-8-M) output to BAS or DDC


    BACnet MS/TP RS-485 (model: FCS-8-B) output to BAS or DDC


    4-20 mA analog (optional)


    Two drive outputs for strobe/horn - e.g. RSH-24 (0.5 amp @ 24 V max)


    Four internal SPDT dry contact relays rated 5 amps @ 240 VAC

    Audible Alarm

    Standard loud, door mounted buzzer, rated 90 dB @ 30 cm (1 ft)


    Optional: door mounted, water tight buzzer, rated 85 dB @ 60.96 cm (2 ft)

    Top Mounted Strobe

    Optional: bright, red, top mounted strobe, 10 - 30 VDC, 13 cm H x 6.1 cm dia / 5.2 inches H x 2.4 inches dia



    Power Requirement

    Line Voltage: 90 – 240 VAC, 50 -60 Hz, 75 W

    Current Draw

    Line Voltage (110 VAC): approx. 1.0 amps


    Line Voltage (220 VAC): approx. 0.5 amps

    Power Distribution

    Total power available for Remote & Peripheral Devices and Options 65 W @ 24 VDC


    Line Voltage: VAC 3-conductor shielded minimum 18 AWG stranded within conduit


    LAN Modbus® RTU (version 1.1b3) RS-485, 16 gauge, 4-conductor shielded


    WAN (output to BAS only): Modbus® RS-485 or BACnet® MS/TP, 4-conductor shielded


    Thermal, resetting

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