Rockwell-automation 1769-HSC Compact High Speed Counter Module Manual de usuario descargar pdf (Pagina 15)

Rockwell Automation Publication 1769-UM006E-EN-P - July 2013 15

Chapter 2

Module Operation

This chapter details the operation of the 1769-HSC module. We strongly suggest

that you review this information before configuring your module.

Counter Defaults

When the module powers up, all output array and configuration array values are

set to their default values. Refer to

Chapter 4 on page 65 or Appendix D on page

149 for default values. All input array values are cleared. None of the module data

is retentive through a power cycle.

Power cycling the module has the following effects:

• Clears stored counts and configurations

• Clears faults and flags

• Turns outputs off

Topic Page

Counter Defaults 15

Module Operation Block Diagrams 16

Number of Counters 18

Summary of Available Counter Configurations 18

Input Filtering 20

Operational Mode Selection 21

Input Frequency 28

Counter Types 28

Modifying Count Value 29

Rate/Timer Functionality 32

Output Control 36

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 169 170

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Rockwell-automation 1769-HSC Compact High Speed Counter Module Manual de usuario Pagina 15