iSMA RAC18-IP

PersoniWay
Written by PersoniWay10 mar 2025

The iSMA RAC18-IP controller is a multifunctional device providing comfort in individual rooms or zones within a building. With 18 onboard I/Os and support for multiple communication protocols, it offers versatile solutions for HVAC, lighting, and blind control applications.

Description

The iSMA RAC18-IP is an advanced, freely programmable controller designed to manage room and zone conditions in building automation systems. It features 18 onboard I/Os, including universal inputs, digital inputs, relay outputs, analog outputs, and triac outputs. The controller supports BACnet IP and Modbus TCP/IP protocols, ensuring seamless integration with various building management systems. Its removable SD card facilitates easy system backups and replacements, enhancing maintenance efficiency.

Key Features

  • 18 onboard I/Os for versatile control applications
  • Supports BACnet IP and Modbus TCP/IP protocols
  • Built-in nano EDGE ENGINE for advanced programming
  • Removable SD card for easy system backups and replacements
  • Real-time programming and maintenance capabilities
  • Compatible with various HVAC, lighting, and blind control systems

Technical Specifications

  • Power Supply: 24 V AC/DC ± 20%
  • Universal Inputs: 4 (supporting voltage, current, resistance, temperature measurement, dry contact)
  • Digital Inputs: 4 (dry contact, high-speed pulse counter up to 100 Hz)
  • Relay Outputs: 5 (resistive load max. 3 A @ 230 V AC, 3 A @ 30 V DC; inductive load max. 75 VA @ 230 V AC, 30 W @ 30 V DC)
  • Analog Outputs: 3 (0-10 V DC, max. load up to 20 mA per channel)
  • Triac Outputs: 2 (0.5 A, max. voltage up to 230 V AC)
  • Interfaces: 2x Ethernet ports (10/100 Mbps) with fail-safe protection, RS485, USB type C
  • Ingress Protection: IP20 (indoor installation)
  • Operating Temperature: 0°C to +50°C (32°F to 122°F)
  • Storage Temperature: -40°C to +85°C (-40°F to 185°F)
  • Relative Humidity: 5 to 95% RH (non-condensing)
  • Dimensions: 123.5 x 137 x 55 mm (4.86 x 5.39 x 2.16 in)
  • Mounting: DIN rail (DIN EN 50022 norm)
  • Housing Material: Plastic, self-extinguishing PC/ABS

Applications

  • HVAC control
  • Lighting control
  • Blind and shade control
  • Room and zone management in building automation systems

Resources

Synonyms & Related Terms

  • RAC18-IP controller
  • iSMA room controller
  • iSMA zone controller

Conclusion

For further details on the iSMA RAC18-IP, please refer to the official datasheet and manufacturer's website.

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