DDC Online direct digital controls
American Auto-Matrix - AspectFT  


Secondary Control Units
Date Last Saved: 2/22/2012 3:10:55 PM

Product Name(s): SBC-ASC; SBC-ASCe; NB-ASC; NB-ASCe
Product Description: SBC Controllers are members of the Evolution Series line of controls and NB Controllers are members of the Native BACnet line of controls. Application specific packaged unit controllers with time-of-day and holiday scheduling.
Product Application(s): Heat pump, rooftop, and fan coil unit applications. The ASCe controllers can be used in some custom applications.
Point Quantity Characteristics
Analog Input (AI): N.A.
Digital Input (DI): See below Optically Isolated.
Universal Input (AI or DI): See below 0-20 mA, 0-1 MOhm, 0-10 VDC
Analog Output (AO): See below 0-10 VDC
Digital Output (DO): See below Relay
Universal Output (UO):
Control Unit Model #:AIDIUIDOAOUOOther
SBC-ASC 0 2 5 2
SBC-ASCe 1 5 5 4
NB-ASC 0 2 5 2
NB-ASCe 1 5 5 4
A/D Converter Resolution
8 bit
10 bit
12 bit
16 bit
Other 15 bit
D/A Converter Resolution
6 bit
8 bit
10 bit
No Analog Output
HOA switches provided on each output?
Note: These are also available as an add-on from 3rd party vendors.
Both AO and DO
DO Only
Indicating status LED on each output?
AO and DO
AO Only
DO Only
Integral Flow Sensor? N.A.
Integral Damper Actuator? N.A.
Can controller accept occupant override from thermostat? N.A.
Can controller accept occupancy sensor input? N.A.
Expander Boards SBC-STAT1, SBC-STAT2, or SBC-STAT3
Expansion Device Model #AIDIUIDOAOUOOther
Network Ports, Protocol(s), and Speed(s) Supported
(Note: See 'Architecture' for network details)
SBC Line:(1) EIA-485 Public Unitary Protocol (PUP) port @ up to 38.4 kbps.

NB Line: (1) EIA-485 BACnet MS/TP port @ up to 76.8 kbps.
External Communication Ports, Speeds and Access Devices (1) RJ-11 for connection of laptop or hand-held interface device via zone-based port at zone stat.
Additional Information (Optional)
Network Accessing Capabilities via Controller
Access controller only
Access controller plus additional controllers on network segment / LAN
Access all controllers on system
No access available on this controller
Controller Access Devices
Laptop/PC SoloPro (PUP), NB-Pro (BACnet)
Local Display Panel (controller-mounted)
Local Display Panel (zone-mounted) SBC-STAT3
Handheld Interface Device (proprietary device) SoloTool (PUP only)
PDA (3rd-Party HID)
Zone-Based port (details below)
Zone-Based Interface Access Thermostat with optional RJ-11 port for access to controller via laptop or hand-held interface
Zone Interface Hardware
Zone-Mounted touchpad (thermostat or stand-alone display)
HID (proprietary device)
PDA (3rd party HID, with software)
*Note: This section covers the capabilities for accessing the controller or other parts of the network from the controller (i.e. 'bottom-up').
Standard access functionality is covered in the Architecture and Software sections.
**Does NOT include front-end OI functions. See vendor for specific functions available.
Functions Available Through Field Interface**:View ParamsChange ParamsChange
O&M SupportTAB/Cx Support
Laptop/PC SoloPro (PUP), NB-Pro (BACnet)
Local Display Panel (controller-mounted)
Local Display Panel (zone-mounted) SBC-STAT3
Handheld Interface Device (proprietary device) SoloTool (PUP only)
PDA (3rd-Party HID)
Zone-Based port (details below)
Microprocessor(s) Information not provided
Clock Type
Powered, battery-backed
Battery powered
Powered, no battery backing
Other Clock standard on ASCe, optional on ASC.
Clock Synchronization Clock Set via SoloPro/NB-Pro. Controller can broadcast time to other units.
Volatile Memory (RAM) Capacity Information not provided
Volatile Memory (RAM) Uses
RAM use unrestricted
RAM use restricted as shown below
Information Not Provided
Program Execution / Calculation storage
Data / Trends / Alarms storage
Configuration / Parameter storage
Control Programming storage
Is Volatile Memory Supported By Battery? Information not provided
Battery Type(s) Information not provided
Battery Life Information not provided
Backup Battery Operating Time Information not provided
Non-Volatile Memory Capacity (EEPROM/Flash)* Has flash memory for control application. Other Information not provided.
Non-Volatile Memory Uses
Data / Trends / Alarms / Calculation Storage
Configuration / Parameter Storage
Control Programming Storage
Controller Operating System
Additional Information
* Items in NV memory are not lost upon power or battery failure. Other types of NV memory such as EPROM, NOVROM, etc. do not directly impact system performance.
Can trend data be stored in this controller? No
How many total trend values can be stored? None. Feature available through SF1 or SAGEMAX
What is the controllers role in trending? None. Feature available through SF1 or SAGEMAX
Can controller be programmed to 'push' data to archive or are trends 'pulled' from controller?
When full, does controller automatically send up trend data, overwrite data, or stop logging data? No. Feature available through SF1 or SAGEMAX
Programming Method(s) Compiled program files may be uploaded using SoloPro/ NB-Pro software. Compiler is included with both packages.
Resident vs Non-Resident Program Execution All program execution is designed to be controller resident although the SAGEMAX and/or SF1 can be programmed to perform/supervise unit controller functions. Controller-resident program execution is ensured by selecting the proper controller for the application.
Resident/Supervisory. This controller supervises the scheduling of other controllers. Controller can broadcast schedules.
Resident/Stand Alone. This controller contains its own schedule.
Non-Resident. This controller is dependent upon another controller for its schedule. Controller can receive broadcasted schedules.
None. This controller has no scheduling features.
Resident Energy Management
Energy management algorithms for this controller can be custom programmed
Pre-programmed/built-in algorithms available, and are fully editable using custom programming
Pre-Programmed/built-in with limited editing via template-based programming
Controller is not typically used for energy management functions
Specific Pre-Programmed Algorithms Available
None (custom programming only)
None (not applicable)
Optimal Start/Optimal Stop
Peak Demand Limiting/Load Shedding
Economizer (enthalpy, dry-bulb, CO2, modulating/2-position, etc.)
Additional Energy Management functions are resident at SI
Additional Programming Functions
Automatic PID Tuning Feature No
Automatical-Dial Alarm Support No. Feature available through AspectFT Matrix Area Controller or SAGEMAX
Does controller perform multiple retries and buffer/store alarm until connection is made? No. Feature available through AspectFT Matrix Area Controller or SAGEMAX
Are multiple destinations possible? No. Feature available through AspectFT Matrix Area Controller or SAGEMAX
Upon controller power loss or hardware failure:
Are network communications affected? No.
Is loss recognized on/by the network and alarm reported? Yes. Continuous controller diagnostics results in an alarm at the SAGEMAX or AspectFT Matrix Area Controller in the event that the control program stops or aborts.
DO and AO response?
Outputs fail to a user pre-specified position
Outputs fail to a normal (unpowered) position
Outputs fail to last position
Volatile memory functions?
Retained for life of backup battery
Other Information not provided
Upon restoration of power does the controller:
Auto-reboot without operator intervention? Yes.
Automatically reset/synchronize the clock? Information not provided
Update all monitored functions? Yes.
Generate an alarm if backup battery is dead? No.
Upon network or communications failure does controller:
Continue to operate standalone? Yes.
Operate with last global settings or user-specified value? N.A.
Do broken network segments continue to communicate within the remaining segment?
(Note: May depend on proper termination of segments for higher speed networks.)
Does network automatically reconfigure upon restoration? Yes.
Does network store 'loss of communications' alarm with time of event? No.
Additional Information (optional)
Self Test Diagnostics
Does controller have internal self-test diagnostics to check:
Processor failure? Yes.
Internal hardware failure? Information not provided
Open/shortened sensor? Yes.
Control Enclosure UL listed metal enclosure.
Power Supply Required
Voltage 24 Vac 50/60 Hz
Surge Protection Fuse load protection, PTC.
Underwriters Laboratories UL 916 PAZX (Energy Management)

UL 873 listed, Component-temperature-indicating and regulating equipment (XAPX2)
FCC Part 15, Class B Computing Device
CE Complies with CE directives and standards
LonMark Certified
No - but LonWorks compatible
Information not provided
BACnet (BTL) Certified
Yes NB-ASC and NB-ASC(e)
Not submitted for testing
Information not provided