Description
The Delta Controls DAC-633 is a fully programmable Native BACnet® Advanced Application Controller designed for HVAC equipment with low-density I/O requirements. Supporting BACnet MS/TP communication, it provides flexible control for packaged units, fan coil systems, heat pumps, and other building automation applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Delta Controls |
| Part Number |
DAC-633 |
| Category |
HVAC |
| Subcategory |
HVAC Control System Board |
| Product Type |
Advanced Application Controller |
| BACnet Device Profile |
B-AAC (BACnet Advanced Application Controller) |
| Communication Protocol |
BACnet MS/TP (RS-485) |
| Universal Inputs |
6 (10-bit) |
| Input Types |
0–5 VDC, 0–10 VDC, 10 kΩ Thermistor, Dry Contact, 4–20 mA |
| Binary Outputs |
3 TRIAC Outputs, 24 VAC, 0.5 A Max |
| Analog Outputs |
2 (0–10 VDC, 20 mA Max) |
| Universal Output |
1 (Configurable as 0–10 VDC or 24 VDC FET) |
| LINKnet Support |
Up to 6 BACstat Sensors or 2 Delta Field Modules |
| Processor |
32-Bit |
| Flash Memory |
1 MB |
| SRAM Memory |
127 KB |
| Mounting |
DIN Rail or Screw Mount |
| Terminal Type |
Removable Screw-Type Connectors |
| Weight |
0.85 lb |
Information About DAC-633
The DAC-633 is an advanced application controller developed by Delta Controls for BACnet-based building automation systems. It communicates over an RS-485 network using the BACnet MS/TP protocol and can be programmed to meet a wide range of HVAC control requirements. With multiple universal inputs and configurable outputs, the controller supports precise monitoring and control of mechanical equipment. Its compatibility with LINKnet devices and GCL+ programming makes it a versatile solution for commercial building automation projects.
Key Features:
- Native BACnet MS/TP Communication: Integrates seamlessly with BACnet building automation networks.
- Fully Programmable Controller: Supports customizable BACnet objects and GCL+ programming.
- Six Universal Inputs: Accepts 0–5 VDC, 0–10 VDC, 10 kΩ thermistors, dry contacts, and 4–20 mA signals.
- Six Configurable Outputs: Includes three TRIAC outputs, two analog outputs, and one universal output for flexible equipment control.
- LINKnet Expansion Support: Connects up to six BACstat sensors or two Delta Field Modules for additional functionality.
- Firmware Management: Supports firmware upgrades and database backup or restoration over the network.
- Flexible Installation: Designed for both DIN rail and screw mounting with removable terminal connectors.
- Building Automation Ready: Ideal for fan coil units, heat pumps, unit ventilators, packaged equipment, and small boilers or chillers.
The DAC-633 delivers the reliability and performance required for advanced HVAC control and BACnet building automation applications.
