Programmable DDC controllers for precise control of HVAC and building systems
Our Direct Digital Controllers (DDC) provide precise, programmable control for HVAC systems and building automation. Available in BCU, MCU, and BLC series with various I/O configurations, these controllers offer flexible programming, multiple communication protocols, and seamless integration with building management systems.
High-performance programmable controllers for central plant and AHU applications
| Model | Description | Universal Inputs | Digital Outputs | Analog Outputs | Communication | Action |
|---|---|---|---|---|---|---|
| BCU-16160 | High-Performance Controller | 16 | 16 | 4 | BACnet/IP, Modbus TCP | View |
| BCU-1666 | Compact Controller | 6 | 6 | 2 | BACnet MS/TP, Modbus RTU | View |
| BCU-1644 | Modular Controller | 4 | 4 | 2 | BACnet MS/TP, Modbus RTU | View |
| BCU-1600 | Large Facility Controller | 16 | 12 | 4 | BACnet/IP, BACnet MS/TP | View |
| BCU-941 | Universal Controller | 8 | 6 | 2 | Multi-Protocol | View |
| BCU-630 | Compact Controller | 4 | 2 | 1 | Modbus RTU | View |
Modular Controllers for Flexible Building Automation
Programmable DDC Controllers with PLC Expansion
| Model | Description | Universal Inputs | Digital Outputs | Analog Outputs | Communication | Expansion | Action |
|---|---|---|---|---|---|---|---|
| BLC Series | Programmable DDC | 8 | 6 | 2 | Modbus, BACnet | Yes | View |
| BLC-32E | Ethernet Controller | 12 | 8 | 4 | Ethernet/IP | Yes | View |
| BLC-54EH | PLC Controller | 16 | 12 | 4 | Ethernet, Modbus | Yes | View |
| BLC-EXP54 | Expansion Module | 8 | 8 | 2 | Expansion Bus | N/A | View |
Why choose our DDC controllers
Free programming for custom control sequences and applications
BACnet, Modbus, and Ethernet options for any BMS integration
Modular expansion modules for flexible system design
Robust design for reliable operation in demanding environments
Ideal for various HVAC and building control scenarios
Air Handling Units
Central plant optimization
Heating control
Variable Air Volume control
Our automation experts are ready to assist with controller selection and programming
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