BACnet Field Control Device

BACnet Application Specific Controller

DSC8864B - BACnet Field Control Device


DSC8864B is a standalone BACnet B-ASC class programmable controller. It is designed for monitor and control building electromechanical device, large AHU, clean room, fume hood, large-scale end device control.  It uses 32-bit microprocessor core, communication speed up to 76,800 bps, transmission distance up to 1,200 meter. DSC8864B has 8 Binary Inputs(BI), 8 Analog Inputs(AI), 6 Binary Outputs(BO) and 4 Analog Outputs (AO).

In addition it has an MSnet port can connect to an external LCD control panel to make user operation and control easily at job site. DSC8864B conforms to international BACnet MS/TP communication protocol and fully compatible with any BACnet system. It is absolutely the best product for your building.     


  • Conforms to ASHRAE and ISO16484-1 defined BACnet ASC standard communication protocol, compatible with BACnet system.
  • An MS/TP(Master-Slave/Token-Passing) communication interface connect to upper layer global controller.
  • An MSnet communication interface can connect a MST20V, MST20S, DSP20U control panel or a MODBUS RTU device.
  • Binary input (BI) has 5,000Vrms optical coupling isolator capabilities and status indicator design.
  • Binary ouput (BO) has 5,000Vrms optical coupling isolator and status indicators.
  • Analog Input (AI) has 12-bit resolution, can be jumper selectable to accept 3KΩ or 10KΩ NTC thermistor, 0~5VDC, 0~10VDC, 0~20mA or 4~20mA input signal.
  • Analog Output (AO) has 12-bit resolution, can be software selected as 0~10VDC or 2~10VDC output signal.
  • User’s control program can be downloaded, edited and saved in flash memory of the controller.    
  • Carry out calculations such as proportional, integral, differential, floating, logic, arithmetic and etc.
  • 100 Binary Value(BV) and 100 Analog Value(AV) points, the analog value adopts high precision floating-point calculation.
  • Priority control array by 16 for all BO, AO and BV.
  • Provide power failure backup function for all AI/BO/AO/BV/AV values keep in FRAM for at least 10 years.

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