NHA2007400
09/2014
HOWTO | Product
SoMachine
Converting Data Type TIME into an Hour, Minute, and Second Count
Retain for future use.
Introduction
SoMachine software uses the data type TIME in several function blocks for
time display. For example, two hours, ten minutes, and three seconds
displays as T#2h10m3s.
SoMachine TIME_TO functions can convert TIME data types into integer or
double-integer values. However, this only converts the time into a total value
in milliseconds.
Converting TIME into Hours, Minutes,
and Seconds
The following procedure shows the implementation of a function block that
takes the TIME value and splits this into three separate variables that read
the hour, minute, and second count.
NOTE: The function block is written in Structured Text.
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1. Take the time variable and then convert it to a millisecond count by
using the TIME_TO_DWORD function:
2. Calculate the raw second count by dividing the millisecond count by
1000:
© 2014 Schneider Electric All Rights Reserved
SoMachine
HOWTO | Product
NHA2007400
09/2014
3. Calculate the raw minute count by dividing the second count by 60:
4. Calculate the second rollover value. Use the MOD function to calculate
the remainder. Take the raw second count and MOD this with 60. This
gives the second count value:
5. Calculate the hour count by dividing the raw minute count by 60:
6. Calculate the minute rollover value. Take the raw minute count and
MOD this with 60 to obtain the minute count value:
7. Display the hour count:
Function Block Implementation
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consequences arising out of the use of this material.
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