Beckhoff PT100 Manual de usuario descargar pdf (Pagina 5)

PT100 4-fold temperature measurement Beckhoff II/O System

Date : 12 March 97 Version : 1.1 Page 5 of 10

2. Software functional description

Timing diagram:

Explanation of the timing diagram:

Signal assignment to II/O message data bytes:

Reset: D2.7

Select1 (priority 1): D2.0

Select2 (priority 2): D2.1

Select4 (priority 3): D2.2

Valid: D2.3

Data: D0.0 to D0.7

D1.0 to D1.7

The restart signal is used to reset the processor to the PT100 module. The signal remains at

"1" for continuous operation.

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Beckhoff PT100 Manual de usuario Pagina 5