Technical data

Table Of Contents
System Software for S7-300/400 System and Standard Functions - Volume 2/2
A5E00739858-01
30-1
30 Integrated Functions (for CPUs with
integrated I/Os)
30.1 SFB 29 (HS_COUNT)
Description
With SFB 29 "HS_COUNT" (counter), you can influence the integrated counter
function of a CPU with integrated I/Os, as follows:
Set and enter a start value.
Select and set comparison values.
Enable counters.
Enable digital outputs.
Read current counted values and current comparison values.
Query the relationship between the counted value and the comparison value.
Further Information
The meaning of the individual parameters of SFB 29 in conjunction with the
parameters for the integrated function counter and the hardware inputs and outputs
of the CPU is described in detail in S7-300 Programmable Controller, Integrated
Functions manual.