RFID & Wireless IoT Global, Issue 06/2021
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iDTRONIC‘s Cylindrical Reader M30 UHF Gets CANbus Interface

New Interface with CANbus (SAE J1939 or CANopen)

The Cylindrical Reader M30 UHF is a read and write device from the iDTRONIC BLUEBOX line.

The reader now utilizes CANbus connection (SAE J1939 or CANopen) to enhance the existing RS-232 and RS-485 interfaces.

High reading ranges due to integrated circular antenna

The Cylindrical Reader M30 UHF is equipped with an internal, circular antenna. The antenna has a strength of -8 dBi, achieving a high reading range of up to 50 centimetres.

Interface options for various connections

The reader has a variety of interface solutions for easy integration into existing systems. The RS-232 COM interface is a serial port ideally suited for connection to monitors, POS terminals, measuring instruments, or printers. The RS-485 interface is an asynchronous serial connection for data communication over long distances. It is a bidirectional bus system that may be operated with up to 128 devices on one bus.

The Cylindrical Reader M30 UHF is now available with the additional CANbus (SAE J1939 or CANopen) interface option. The serial CANbus system enables data exchange between several control units. This has applications in motor vehicles, shipping, or air freight. This interface eliminates the need for long cables.

The SAE J1939 network protocol is used for the transmission of diagnostic data and control information. The CANopen connection is a communication protocol which is mainly used in automation processes. Complex devices may be networked with it.

Excellent technical prerequisites for your application

The reader has a 10 - 36 volt power supply. The output line supports up to 27 dBm / 500 mW. The power can be regulated from 10 dBm in 1 dBm steps. The reader is, therefore, ideally suited for high-performance devices within various applications.

Ultra-high frequency with a variety of supported tags

The reader is standard equipped with the UHF frequency 865 - 868 MHz (ETSI). Optionally, the reader may also be operated with an FCC frequency of 902 - 928 MHz. Both frequencies support the ISO 18000-6C standard (EPC Class 1 Generation 2) with Alien Higgs 2/3/4, Impinj Monza, NXP UCODE tags, as well as many more.

A user-friendly software development kit (SDK) and configuration tool, for Windows operating systems, are provided as well as an operating system-independent command protocol.

Further adjustments to the firmware and hardware are possible on request and project basis.

Application example: identification of attachments

The BLUEBOX Cylindrical Reader M30 UHF is ideally suited for the identification and automatic configuration of attachments in agricultural machinery, construction machinery, or municipal multifunction vehicles.

The RFID reader is mounted close to the holding points of the vehicle's attachments and identifies various external attachments. These may include excavator shovels, sweepers, ice sliders or drills, which are all equipped with an RFID transponder. The attached transponders contain all necessary configuration data about the attachment part. After the readout process, the corresponding data is forwarded to the central control system via the CANbus interface.

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Patrick Kochendörfer
Patrick Kochendörfer
Senior Product Manager
Ludwigshafen, Germany
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