Rockwell-automation 1771-IFF/A,D17716.5.116 FAST ANALOG INPUT MODULE Manual de usuario descargar pdf (Pagina 49)

Module Programming 5-5

    

Scan time is defined as the amount of time it takes for the input

module to read the input channels and place new data into the data

buffer.

Word 24 of the block transfer write data table shows the scan time

for the module for the given configuration. These figures are the time

it takes to sample all channels and process the data. Refer to

Appendix A for tables showing common scan times at various

oversample rates.

Table 10.A

Scan Time in SingleĆEnded Mode

Number of

Oversamples

Word 24 Time (ms)

  

  

  

  

  

  

  

  

  

  

Table 10.B

Scan Time in Differential Mode

Number of

Oversamples

Word 24 Time (ms)

  

  

  

  

  

  

  

  

  

  

Module Scan Time

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 93 94

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Rockwell-automation 1771-IFF/A,D17716.5.116 FAST ANALOG INPUT MODULE Manual de usuario Pagina 49