HC900 DCS Technical Specifications
General Information
Manufacturer: Honeywell

Model: HC900

Type: Hybrid Distributed Control System (DCS)

Application: Process automation for small/mid-scale industries

Key Parameters
Controller Performance
Processor: 32-bit RISC (Redundant CPU optional)

Memory: 64MB RAM (expandable)

Scan Time: 10ms (typical logic execution)

I/O Capacity: Up to 1,024 points (mix of analog/digital)

I/O Modules
Analog Input: 4-20mA, ±10V, RTD, TC (16-bit resolution)

Analog Output: 4-20mA (12-bit)

Digital I/O: 24VDC, 120VAC (sink/source, 2A relay)

Communication:

Built-in: RS-232/485, Ethernet (10/100BASE-T)

Optional: Profibus DP, Modbus RTU/TCP

Software & Programming
Engineering Tool: HC Designer (IEC 61131-3 compliant)

Supported Languages: Ladder Logic, Function Block, Structured Text

HMI Integration: Supports Citect SCADA, Wonderware

Power & Environmental
Supply Voltage: 100-240VAC or 24VDC

Operating Temp: 0°C to +60°C (extended range optional)

Humidity: 10-90% non-condensing

Certifications: CE, UL, ATEX (Zone 2)

Redundancy Options
CPU Redundancy: Hot-swappable

Power Supply: Dual-redundant

Communication: Dual Ethernet ports

Typical Applications
Chemical batch processing

Water/wastewater treatment

Food & beverage production

HVAC control in industrial facilities

(For full configuration guidelines, refer to Honeywell HC900 Installation Manual.)