NB-ASCe : BACnet Application Specific Controller

BACnet Application Specific Controller

The NB-ASCe is an application selectable controller able to be utilized in generic and light-duty custom control applications using one of three available modes (Rooftop, Heatpump, and Multi-Speed Fancoil).

In stand-alone or networked environments, the NB-ASCe can be programmed to operate on independent platforms or in existing enterprise applications. Using flash technology, NB-ASCe controllers can be configured and setup with minimal effort for a variety of control application sequences. Although application specific, these devices can be implemented in sequences that may not require Discharge Air Temperature (DAT). The NB-ASCe is BTL listed as a B-ASC (BACnet - Application Specific Controller).


  • BACnet MS/TP network protocol
  • BTL listed as B-ASC
  • Can be field-flash configured for Rooftop, Heatpump, or Multi-speed Fancoil profile applications
  • Can be used in stand-alone or network applications
  • Zone temperature input with 15-bit resolution
  • Available on-board Digital Input for Pulse application
  • Outside Air Temperature based Economizer control available
  • Dedicated (separate from on-board I/O) Zone Sensor
  • Input connection for SBC-STATs via Statbus
  • Configurable Interlocking for Fan Failure applications
  • Flash memory for easy updates
  • Real-time clock included with NB-ASC(e) devices
  • Time-of-day scheduling
  • PID & Control Loop applications for output sequences (valve control and analog signal control)


Digital Outputs - Triac 0
Digital Outputs - Relay 5
Analog Outputs 4
Universal Inputs 5
Optically Isolated Digital Inputs 1


General Specifications
Processor high speed 16-bit processor
Terminations pluggable blocks for inputs, outputs, power and network connection
Baud Rates 9.6, 19.2, 38.4, 57.6, 76.8, 115.2 (kbps)
Input Supply 24 VAC 50/60 Hz 10VA max, 5VA typical, 5A fuse load protection
Transformer NEC Class II
Operating & Storage Conditions
Operating Temperature 41˚ F to 151˚ F (5˚ C to 50˚ C)
Relative Humidity 0 to 90% non-condensing, 40% to 60% recommended
Storage Temperature -40˚ to 151˚ F (-40˚ to 66˚ C)
Dimensions & Mounting
Dimensions 5.5" x 4.7" x .9" in. / .84 lbs (not including shipping material)
Mounting flat surface with screws
Agency Approvals
Complies with CE directives and standards
FCC - Class B Computing Device
UL Listed 916 - Management Equipment, Energy (PAZX)
(724) 733-2000
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