Beckhoff CX1100-000x Bedienungsanleitung PDF herunterladen (Seite 30)

Product overview

28 Embedded PC

Architecture of power supply CX1100-0002

This power supply features, except for power supply, the following functions:

1. Display 2 x 16 characters

2. 4+1 navigation switch

3. Non Volatile RAM

4. K-bus connections

These functions are managed by the control program via the PC104 bus. The structure of the CX1100-0002 is shown

in the following figure:

This power supply unit features the basic functions. These functions are described in the architecture overview.

Further the k-bus is supported. The access to the bus is managed by a 4 KB dual-ported-RAM (DPRAM). A

microcontroller (80C165) manages the data transfer to the k-bus. The DPRAM is accessed by the CPU (via PC104

bus) and the microcontroller. The following figure shows the memory setup of the DPRAM:

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Beckhoff CX1100-000x Bedienungsanleitung Seite 30