RC500 Honeywell Terminal Unit

Honeywell RC500 RTU Product Brief Introduction
Basic Identification Information
Brand: Honeywell; Origin: United States
Model No.: RC500
Full Product Name: RC500 Modular Remote Terminal Unit
Customs HS Code: 8537101190
Mounting: Standard 35mm DIN rail installation inside control cabinets
Physical Parameters
Overall dimension: 118mm × 83mm × 63mm; Net weight: approx 0.35kg
Protection class: IP20, only for enclosed indoor cabinet use
Front panel equipped with multi-channel terminal blocks, dual Ethernet ports and LED status indicators for power, communication and fault diagnosis

Electrical & Hardware Parameters
32-bit industrial CPU, 128MB Flash storage and 2MB battery-backed SRAM for data retention during power failure
Rated power supply: 12–24VDC, typical power consumption 5–15W
Built-in I/O channels: 12 discrete inputs, 4–8 discrete outputs, 6–8 analog 4–20mA inputs with 16-bit high-precision A/D conversion
Communication interfaces: Dual 10/100Mbps Ethernet, RS232, RS485; supports Modbus TCP/RTU, DNP3, IEC 60870-5-104 protocols
Environmental Conditions
Continuous operating temperature: -40°C ~ +70°C; Storage temperature: -40°C ~ +85°C
Working humidity: 5%–95% non-condensing
Compliant with industrial vibration and shock standards, certified CE
Core Product Characteristics
Low power consumption design supports solar-powered remote field stations without commercial mains supply. Modular expandable I/O structure adapts to different monitoring scale demands, with hot-swap function for maintenance without system shutdown. Complete real-time self-diagnosis and fault timestamp recording simplifies on-site troubleshooting. Open communication architecture compatible with mainstream SCADA and third-party control systems. High temperature and wide voltage tolerance fits harsh outdoor industrial remote sites. Long-term stable data storage with battery backup to avoid data loss during power outages.