The system’s house for CAN, CANopen and real-time Ethernet automation
solutions has adapted a POWERLINK stack to the architecture of
STMicroelectronics' STR912FA microcontroller. The microcontroller unit
combines a 32 bit ARM9 CPU, 96 kB SRAM, flash storage capacity between
512 kB and 2.1 MB, an Ethernet controller and a real-time clock. The
solution ensures response times below 5 µs. Port’s stack and ST’s
hardware allow users to implement a POWERLINK connection for their
devices which requires few components. If the MCU is equipped with a
larger flash memory, users can also implement a multi-protocol design,
enabling connections to all software-based protocols such as
Ethernet/IP, Modbus TCP or Profinet IO and RT. In order to adapt the
solution for CANopen and DeviceNet networks, users merely need to
connect a CAN transceiver. Port supports manufacturers with further
products which facilitate development.
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