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Bus nodes

For industry protocols

The Unigate IC/FC bus nodes from Deutschmann Automation (Germany) relieve automation manufacturers from having to develop interfaces. They help manufacturers offer products for various protocols.

The Unigate FC(Photo: Deutschmann)

THE ALL-IN-ONE BUS NODES COME IN A 32-DIL HOUSING and have been designed for embedded solutions for direct integration into terminal devices. The modules comprise a micro-controller, flash, RAM, and a bus controller. They handle the complete communication on the bus side, thus reducing the workload of the application's microprocessor.

The product is connected to the host processor via a UART interface. Amongst others, the company offers models for CANopen, Profibus, Devicenet, Modbus TCP, Profinet, Ethercat, Ethernet/IP, Ethernet TCP/IP, Lon Works, and Bacnet. Furthermore, models with an EIA-232 or EIA-485 interface are available for Modbus RTU and Modbus ASCII. Due to the identical hardware and software interfaces and functionality of all Unigate IC devices, manufacturers can offer various protocol options to their customers.
They only need to integrate an adaptation board with a socket for the bus modules or implement a socket directly on the device PCB. Then they can insert the model for any customer’s choice communication protocol.

The Unigate FC(Photo: Deutschmann)

Ready-to-install two-port interfaces from the Unigate FC series additionally feature conventional connection hardware: the miniature nodes comprise two RJ interfaces with diagnosis LEDs. Thereby, terminal devices can be linked in line topologies. Just like the interfaces from the Unigate IC series, Unigate FCs fit components such as a microcontroller, flash, RAM, and a bus controller. The multiprotocol modules are available for Ethernet, Profinet, Ethernet/IP, Modbus TCP, and Bacnet/IP. Like the Unigate IC modules, Unigate FC interfaces integrate a multiprotocol-capable FIDO (flexible input, deterministic output) chip from Innovasic. This chip’s design provides advantages over conventional controllers with an integrated Ethernet interface. The FIDO chip employs Priority Channel technology to manage real-time data traffic and non-real-time Ethernet packages.

These products from Deutschmann use a script which implements the protocol of the terminal device, making changes to the device firmware unnecessary. Any user can generate the script with the free-of-charge Protocol Developer tool. Programming skills or special fieldbus knowledge are not required. The script can also be used to emulate complex protocols, buffer data and process it in any desired manner. Customer-specific commands can be integrated, operations can be linked with time and event-based triggers, and all data and bus statuses can be displayed. Since Unigate ICs feature standardized hardware interfaces, configurations and scripts, once generated, can be used for all models of the same line without any additional programming effort.

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Kvaser Sontheim