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Mitsubishi FREQROL FR-A5 FR-A5NR

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FR-A5NR

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The Mitsubishi FR-A5NR is a computer link and relay output module that integrates seamlessly with FREQROL FR-A5 series inverters. It operates on control power supplied directly from the inverter, with a communication voltage of 5VDC and a maximum current of 60mA.

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Technical specifications for FR-A5NR

ManufacturerMitsubishi
Product LineFREQROL FR-A5
Part NumberFR-A5NR
Weight0.06 lbs (0.03 kg)
Unit TypeComputer link/relay output module
Control PowerSupplied by inverter
Communication Power5VDC, with 60mA max.
Communication CableTwisted pair cable
Transmission DistanceMax. 500m overall
Inverter Connection Capacity10 inverters for the RS-422 computer interface; 32 inverters for the RS-485 computer interface
Conforming StandardRS-485 Standard
Control ProcedureAsynchronous system
Communication MethodHalf duplex system
Character SystemASCII system (7 bits/8 bits) selectable

The Mitsubishi FR-A5NR module is a relay output and computer link component tailored for the FREQROL FR-A5 series. It draws its control power from the connected inverter, simplifying system setup and reducing additional power requirements. The unit provides a communication power rating of 5VDC, with a maximum current of 60mA, making it suitable for many industrial automation applications.

This module utilizes twisted pair cabling for communication, allowing for effective signal transmission over distances up to 500 meters. Such capabilities support various layouts and configurations in complex environments. In terms of inverter connectivity, the FR-A5NR can connect to 10 inverters using the RS-422 interface and up to 32 inverters through the RS-485 interface, enhancing its flexibility in system design.

The module conforms to the RS-485 standard, ensuring compatibility with various devices and systems. It employs an asynchronous control procedure, facilitating efficient data flow and communication. The half-duplex communication method allows for bidirectional communication on a single channel, optimizing system performance.

Furthermore, the character system can accommodate 7-bit or 8-bit ASCII formatting, which can be selected based on the application's requirements. These features collectively make the FR-A5NR an essential solution for robust communications in automated systems.