SncSingleDevDriver (FB)

FUNCTION_BLOCK FINAL SncSingleDevDriver EXTENDS SncDeviceDriverBase IMPLEMENTS IBusSpecificDataHandler

Function block for a single device driver to handle the SNC services addressed to its connected F-SPS

  • extends ‘SncDeviceDriverBase’ and implements the interface ‘IDeviceSpecificDataHandler’

  • represents one connected F-SPS (via SharedMemory) and registers it to the SncServiceProvider

  • synchronizes its communication buffer size with the one from the Std-SPS

  • handles the service requests coming from the SNC service handler with the help of the SharedMemory bus handler

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