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RTCC

Real Time Communication Controller

rtcc

Overview

The Real Time Communication Controller is used to control the different VisionBox interfaces in real time. An FPGA device implements the major part of the controller. This allows the logic to operate independently of the x86 operating system. Therefore, many time-critical applications can be realized without using a special real-time operating system.

Several functional units for handling input and output signals are provided. The user can configure these units during run time using high level C++ and .NET APIs.

 

The block diagram on the right shows the functional units and the internal structure of the Real Time Communication Controller:

rtcc_fpga

These interfaces are controlled by the FPGA:

 

  • Digital Inputs and Outputs, optically isolated
  • RS-422 Inputs and Outputs
  • LED Strobe Controller [Link]
  • Camera Trigger Output
  • Trigger over Ethernet (GigE Action Command) [Link]
  • Camera Link Trigger (CC signal control)

There are additional internal units available:

 

  • Multiplexer: Connects different functional units with each other
  • Trigger Unit: Generates trigger signals which can be derived from other signals (e.g. encoder)
  • I/O Scheduler: Implements a buffer of output values which can be applied to different outputs in real-time
  • Service Module: Contains watchdog, system temperature and firmware update functionality
  • Status LED Control

For more details please have a look at the PDF.

Real Time Communication Controller (PDF)

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