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Operating Modes, parameters and commands
7.3 Count modes
FM 350-1 Counter module
Manual, 05/2011, A5E03648639-01
95
Single Counting - Main Count Direction Down
In single counting mode with main count direction down, when the gate is opened, the
FM 350-1 counts up or down from the load value until the low count limit is exceeded.
If the low count limit is under-run, the following occurs:
●
The gate is closed
●
The STS_UFLW bit in the feedback interface is set
●
The counter is loaded with the load value
The low count limit is 0. The load value has a starting count and can be changed.
You must open the gate again to restart the counting.
676B8)/:
6HWXSSHU
FRXQWOLPLW
/RDGYDOXH
/RZHUFRXQW
OLPLW
6HWFRXQW
UDQJH
&RXQWHUOHYHO
*DWHVWDUW
*DWHVWDUW
$XWRPDWLF
JDWHVWRS
$XWRPDWLF
JDWHVWRS
7LPH
Figure 7-4
Single counting with main count direction down; canceling gate function
Selecting the Gate Function
You can select the gate control in this mode. The following options are available to you:
●
SW gate
●
Hardware gate, level-controlled or edge-controlled
676B2)/:
8SSHUFRXQWOLPLW
/RDGYDOXH
/RZHUFRXQWOLPLW
*DWHVWDUW
*DWHVWDUW
*DWHVWRS
7LPH
&RXQWHUOHYHO
Figure 7-5
Single Counting with Load Value and gate control
Содержание SIMATIC S7-300 FM 350-1
Страница 8: ...Table of contents FM 350 1 Counter module 8 Manual 05 2011 A5E03648639 01 ...
Страница 168: ...Encoder signals and their evaluation 8 4 Signal evaluation FM 350 1 Counter module 168 Manual 05 2011 A5E03648639 01 ...
Страница 186: ...Technical data 11 2 Technical data FM 350 1 Counter module 186 Manual 05 2011 A5E03648639 01 ...
Страница 188: ...Replacement parts FM 350 1 Counter module 188 Manual 05 2011 A5E03648639 01 ...
Страница 190: ...References FM 350 1 Counter module 190 Manual 05 2011 A5E03648639 01 ...
Страница 194: ...Glossary FM 350 1 Counter module 194 Manual 05 2011 A5E03648639 01 ...