Honeywell CPO-PC400 Comfortpoint Open Plant Controller

Overview

The Honeywell CPO-PC400 is a powerful, Ethernet-based BACnet® Building Controller (B-BC) built for advanced automation. It controls HVAC, lighting, and energy systems with high precision. Its modular design and rich protocol support make it ideal for central plant management and scalable deployments. The controller handles complex tasks while ensuring fast communication and efficient resource usage.

Technical Specifications

• Model Number: CPO-PC400

• Processor: Dual-core ARM Cortex-A9 (800 MHz) + Cortex-M4 (227 MHz)

• Memory: 768 KB FRAM

• RAM: 1 GB DDR3L

• Storage: 4 GB eMMC

• Operating System: Linux / RTOS

• Input Voltage: 19–29 VAC (50/60 Hz) or 19–29 VDC

• Power Consumption:

• Max. 26 VA (AC)

• Max. 12 W (DC)

• Max. 35 VA with MMI connected

• Interfaces:

• 4 × RS485 ports

• 2 × Ethernet ports (10/100 Mbps)

• 1 × MMI interface

• 1 × Micro USB

• 1 × USB-A

• Supported Protocols:

• BACnet MS/TP

• Modbus RTU

• Panel Bus

• CP-IO Bus

• C-Bus

• M-Bus

• Communication Baud Rates: Up to 115.2 Kbps (varies by protocol)

• Mounting Options: DIN rail or panel mounting

• Operating Temperature: 0°C to +50°C

• Storage Temperature: –28.9°C to +70°C

• Humidity Range: 5% to 95% RH (non-condensing)

• Protection Class: IP20

• Expandable I/O: Supports up to 256 I/O points

• BACnet Routing: Communicates with up to 90 MS/TP devices

• Weight: 1.10 lbs