HIPERFACE DSL Digital Encoder Interface support from Renesas
The RZ/T1 Group includes the Ar Cortex-R4 processor with a dual precision floating-point unit (FPU) operating at up to 600 MHz, and provides: real-time processing, tightly-coupled memory, high-speed analogue to support dual servo motors, and network connectivity for distributed motion that matches the needs of precise AC servo drive applications.
The RZ/T1 supports encoder interfaces including EnDat 2.2, BiSS-C, Tamagawa and A-format. With this addition, the RZ/T1 adds the HIPERFACE DSL digital encoder interface. These digital, bidirectional interfaces provide precise position values from absolute encoders. Instead of using a separate FPGA or ASIC, integrating these encoder interfaces on the RZ/T1 reduces the component count and cuts system costs.
With this expanded functionality, the RZ/T1 now supports most of the leading encoder interfaces, and with its configurable encoder interface, it simplifies swapping different encoders interfaces from a single device platform.
HIPERFACE DSL is an industry-leading interface provided by SICK STEGMANN GmbH, and uses the familiar RS485 cabling with a transmission rate of 9.375 megaBaud rate. The data is transmitted in synchronization with the drive cycle, and the cable between the drive electronic and feedback system can be up to 100 metres in length.
The solution package for HIPERFACE DSL provides all required support to connect the RZ/T1 to corresponding slave devices:
– Encoder interface configuration data: programs the configurable encoder interface to operate in HIPERFACE DSL mode and to be able to connect to a corresponding slave device
– Sample driver code: enables the application program to communicate with the encoder through a simple API
– Documentation: API and example program descriptions are provided in an application note; a user’s manual for the HIPERFACE DSL encoder enables individual modifications and extensions of the given code samples
For SICK STEGMANN GmbH, Clemens Bitsch, Product Manager of HIPERFACE DSL, comments, “The availability of HIPERFACE DSL for the RZ/T1 proliferates the adoption of our powerful encoder technology in the market. We see the digital encoder evolution as a substantial driver for efficient and cost-optimized systems and as a pre-requisite for the Industry 4.0.”
Renesas Electronics Europe; www.renesas.com
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