The romod series from romutec offers a comprehensive range of modular components for building automation. These modules are specifically designed to handle versatile control and monitoring tasks in combination with Modbus RTU devices. From digital and analog inputs to relay outputs and specialized 3-point controls, the series covers a wide array of applications.

Features

The romod series is characterized by its modular design and ease of integration. Each module in the series features an independent RS485 interface, eliminating the need for additional gateways. The autobauding function automatically detects the baud rate, simplifying installation and commissioning.

Key features include:

• Diverse I/O support: Digital and analog signals, counter functionality, and relay control.
• Modular expansion: Easily scalable through the combination of various modules.
• Local operation: Each module enables manual control, priority override, and status display.

Technical Data

The romod series includes modules such as:

• 16DI: Digital input module for monitoring up to 16 signals.
• 8DO and 8DO-R: Digital output modules with MOSFET or relay outputs.
• 4DIO-R: Combination of digital inputs and outputs.
• 8AI and 8AO: Modules for processing analog signals such as temperature and voltage sensors.
• 4DI2DO-R-3P: Module with specialized 3-point relay outputs for blind and damper controls.

The series supports all common Modbus commands and is compatible with a variety of automation systems. Its high protection class and robust design ensure a long lifespan, even in demanding environments.

Advantages

• Local priority control/display (per DIN ISO 16484 / VDI 3814)
• Data points remain usable even during DDC failure
• Clear arrangement and display of system status
• Connection between modules and DDC substation according to Modbus specification
• Eliminates the need for parallel wiring or PLC-side data point acquisition
• Easy wiring on the mounting plate
• High data point density in a compact space
• Simple system expansion
• Flexible 24V AC/DC power supply
• Automatic baud rate detection (autobauding)
• Active bus termination via dip switch
• Status LED for bus communication
• Wide sensor selection for analog inputs
• 8DO MOSFET (no relay wear)
• Hand mode can be disabled via Modbus
• Free configuration software
• Safe State Mode (defined state selectable after bus failure)
• Counter functionality for digital inputs
• Macros available in ePlan Data Portal

Applications
The romod series is ideal for:

• Heating, ventilation, and air conditioning (HVAC) systems
• Individual room control and centralized control systems
• Monitoring and controlling lights, dampers, and motorized devices

Conclusion
The romod series from romutec is the perfect solution for modern building automation. With its modular architecture and extensive features, it offers maximum flexibility, reliability, and efficiency. Ideal for planners and operators seeking robust and efficient automation solutions.

The FBM and FBB product lines from romutec offer cutting-edge solutions for decentralized control and switching tasks in building automation. Both series are specifically designed to expand automation systems efficiently and flexibly by integrating digital and analog data points. Additionally, these product lines include optional features tailored for fire protection damper (BSK) applications, ensuring safe and compliant implementation of these requirements. Whether in Modbus RTU or BACnet MS/TP networks, our I/O modules guarantee seamless integration and reliable control.

Features

The modules of the FBM and FBB series provide comprehensive functionalities for versatile applications:

• Universal I/Os (UX): Configurable as digital or analog inputs and outputs for maximum flexibility.
• Relay Control: High-capacity relay outputs (up to 16 A at 230 V AC) for motorized devices and lighting control.
• Digital Inputs: Processing of status messages, window contacts, and switches.
• Counter Functionality: Support for digital pulses and counting applications.
• Network Integration: FBM modules operate with Modbus RTU, while FBB modules are fully compatible with BACnet MS/TP.
• Automatic Baud Rate Detection: Simplified setup for both network types.

Technical Specifications

• Power Supply: Options for 24 V AC/DC and 230 V AC.
• Protection Class: Up to IP66 for use in demanding environments.
• Communication Interfaces:
  • FBM: RS485 with Modbus RTU
  • FBB: BACnet MS/TP via RS485
• Mounting: Decentralized installation with tool-free push-in terminals and optional magnetic feet.

Advantages

• Flexibility: Universal I/Os and diverse module variants for any project requirements.
• User-Friendliness: Easy configuration and installation, even for complex automation tasks.
• Robustness: High-quality construction for reliability in industrial and building technology applications.
• Cost Efficiency: Reduced wiring requirements through decentralized installation.
• Future-Proof: Support for modern communication protocols such as Modbus RTU and BACnet MS/TP.
• Convenient Connections
• Mechanical Component Protection
• Optional Magnetic Feet for Tool-Free Mounting
• Digital Outputs Rated for 230V / 16A
• Galvanic Bus Isolation for Safety
• Automatic Baud Rate Detection (Autobauding)
• Active Bus Termination via DIP Switches
• Status LEDs and Manual Operation Buttons (Ease of Commissioning and Maintenance)
• AMP Variants with AMP Connection Sockets Available
• Power Supply Options: 24V AC/DC and 230V Variants
• Networking of Actuators and Notifications
• Reduced Wiring and Fire Load
• Easy System Expansion
• Integrated Runtime Monitoring

Applications

• Fire Damper Control: Monitoring and regulating motorized actuators with position detection.
• Lighting and Shutter Control: Integration of light strips, window contacts, and switches.
• Room Automation: Capturing and controlling decentralized data points for HVAC systems.
• Universal Automation: Flexible use across various areas of building automation.

Conclusion

With the FBM and FBB product lines, romutec delivers powerful solutions for decentralized I/O modules. Combining functionality, flexibility, and robustness, they are the ideal choice for modern automation projects. Whether in Modbus or BACnet networks, our modules set new standards in building automation.

The FBB-8UX2DO is a versatile fieldbus module with BACnet MS/TP connectivity, specifically designed for decentralized control tasks and input signal acquisition. It features eight universal I/Os and two digital relay outputs. Its flexible configuration makes it ideal for use in heating, ventilation, and air conditioning (HVAC) systems, as well as individual room control and decentralized installations.

Features

The eight universal I/Os can be configured as analog inputs (AI), analog outputs (AO), or digital inputs (DI). This flexibility allows for the connection of various sensors and actuators, such as temperature sensors (Pt100, Pt1000, Ni1000, NTC), resistance sensors, and current/voltage signals (0-10 V, 0-20 mA). An integrated counter function supports processing digital inputs at a frequency of up to 5 Hz.

The two digital relay outputs (DO) are designed for a maximum switching capacity of 7 A at 230 V AC. These potential-free normally open (NO) contacts are ideal for controlling loads such as light strips or motorized devices.

Technical Specifications

• Power Supply: Options for 24 V AC/DC and 230 V AC
• Current Consumption: Typically 34 mA, maximum 63 mA
• Power Requirement: Typically 4.5 W, maximum 8.3 W
• Universal I/Os:
  • AO: 0-10 V or 0-20 mA
  • AI: 0-10 V, 0-20 mA, various resistance sensors
  • DI: Potential-free or 24 V, counter function up to 5 Hz
• Digital Outputs:
  • Number: 2 normally open (NO), potential-free
  • Max. Switching Capacity: 1385 VA / 150 W
  • Max. Switching Voltage: 255 V AC / 30 V DC
• Communication: BACnet MS/TP via RS485
• Supported Baud Rates: 9,600 to 230,400 baud (autobauding)
• Protection Class: IP66
• Operating Temperature: 0 to 50 °C
• Dimensions: 160 x 140 x 81 mm (excluding fittings)

Advantages

The FBB-8UX2DO stands out for its universal application possibilities and ease of integration into BACnet MS/TP networks. Tool-free push-in terminals simplify installation, while the robust IP66 design allows for use in demanding environments.

Applications

• Decentralized installation for heating and ventilation systems
• Individual room control with various sensor and actuator connections
• Control of light strips and motorized devices
• Integration into BACnet-based building automation systems

Conclusion

The FBB-8UX2DO is a modern and powerful module that excels in flexibility and reliability. It is the perfect choice for decentralized automation projects requiring versatility and robust performance.

The TCP-RTU-GW-1/2 Modbus Gateway is a powerful interface module that translates Modbus TCP into Modbus RTU telegrams. Designed for building automation, it enables seamless integration of control systems. The gateway offers easy configuration through a management and diagnostic web interface.

Features

The gateway connects up to three TCP master devices with Modbus RTU slaves via two serial RS485 interfaces. The "Serial 1" interface is galvanically isolated and supports up to 256 devices, while "Serial 2" supports up to 64 devices.

The device supports all Modbus commands as well as all response and exception codes according to the Modbus Application Protocol Specification Rev. V1.1b3. Thanks to the web interface, parameters such as baud rate, format, and parity can be easily configured.

The gateway provides two operating modes for the WIFI interface: Access Point and Station Mode. The Access Point Mode allows direct connection for configuration, while the Station Mode enables integration into existing networks.

Technical Specifications

• Power Supply: 24 V AC/DC, ±10%
• Current Consumption: 100 mA
• Serial Interfaces: RS485
• Protocol: Modbus RTU
• Supported Baud Rates: 1,200 to 115,200 baud
• Network Interfaces: Ethernet RJ45, WIFI
• Protection Class: IP20
• Dimensions: 17.5 x 90 x 58 mm (W x H x D)
• Operating Temperature: 0 to 50 °C
• Maximum Write Cycles: 100,000 (internal EEPROM)

Advantages

• Seamless integration: Directly translates Modbus TCP telegrams into RTU telegrams.
• Flexible configuration: Easy setup and management via the web interface.
• Robust and versatile: Galvanically isolated RS485 interface for interference-free communication.
• Efficient: Supports up to 256 devices on a single interface.
• Compact design: Requires minimal space (1TE).
• Multicolored status LED for quick diagnostics.
• WIFI Access Point Mode: Provides additional access to the configuration interface with a fixed IP address (acts as a DHCP server).
• Modbus TCP traffic supported over WIFI or Ethernet.
• Active bus termination: Can be enabled for each serial interface through the web configuration.
• No restrictions on Modbus function codes.

Applications

• Connecting control systems with Modbus TCP and RTU networks.
• Integrating decentralized automation components into building control systems.
• Transmitting data between Modbus RTU slaves and Modbus TCP master devices.

Conclusion

The TCP-RTU-GW-1/2 Modbus Gateway is the ideal solution for connecting Modbus TCP and RTU components. With its simple configuration and high flexibility, it is perfectly suited for modern building automation systems.

The RS485 repeaters from romutec provide reliable and flexible solutions for enhancing and optimizing RS485 two-wire bus systems. These devices are designed to amplify data signals, connect bus segments, and improve network stability. They enable the creation of complex network topologies, such as star topologies, and are cascadeable to achieve maximum spatial network extension.

Features

• Signal Amplification: Enhances amplitude, edge steepness, and signal width to improve bus system quality and range.
• Network Segment Coupling: Connects up to four network segments per repeater with a maximum segment length of 1200 meters.
• Star Topology: Ideal for applications requiring star-shaped cabling without additional reconstruction.
• Galvanic Isolation: All outputs are galvanically isolated for safe and interference-free communication (also available without isolation upon request).
• Cascadeability: Increases the number of participants and network extension.
• Half-Duplex Operation: Supports all RS485 two-wire bus systems, including Modbus RTU and BACnet MS/TP.

Technical Specifications

• Power Supply: 24 V AC/DC or 8–24 V AC/DC (depending on the model)
• Communication Interfaces: RS485, half-duplex operation
• Maximum Segment Length: 1200 meters
• Maximum Number of Participants: 255 devices
• Configuration: Dip switches for termination and data line swapping
• LED Indicators: Visualization of operational status and data communication
• Protection Class:
  • HSR-RS485-4: IP20 (DIN rail mounting)
  • FBR-RS485-4: IP66/IP67 (field mounting)
• Operating Temperature: 0 to 50 °C

Advantages

• Flexibility: Adaptable to different network conditions and communication protocols.
• Ease of Installation: Tool-free push-in terminals and intuitive dip switch configuration.
• Network Optimization: Reduces wiring requirements and extends network reach.
• Safety: Galvanic isolation protects devices and the network from interference.
• Compatible with all RS485 two-wire bus systems using single-master/multi-slave protocols.
• Supports coupling of network segments with varying interface settings.
• Compatible with RS485 bus systems with any data format.
• Galvanically isolated interfaces (standard), optionally available without isolation.
• Data line swapping via dip switch (available for models with galvanic isolation).
• Automatic baud rate detection (autobauding) in the range of 9600-115200 baud.
• Cascadeable.
• Available in DIN rail (HSR) and field (FBR) variants.

Applications

• Expansion and stabilization of Modbus RTU and BACnet MS/TP networks.
• Optimization of building cabling in case of installation errors.
• Creation of star topologies for larger networks.
• Ensuring communication in industrial and building technology applications.

Conclusion

The RS485 repeaters HSR-RS485-4 and FBR-RS485-4 are essential components for reliable and efficient network communication. With their high performance, ease of use, and flexible application possibilities, they offer a future-proof solution for modern building automation and industrial applications.