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Toshiba PROSEC T1-16S PLC User's Manual - CTi Automation

Toshiba PROSEC T1-16S PLC User's Manual - CTi Automation

Toshiba PROSEC T1-16S PLC User's Manual - CTi Automation

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7. Instructions<br />

N Negative pulse contact<br />

Expression<br />

A<br />

Input N Output<br />

126 <strong>T1</strong>-<strong>16S</strong> User’s <strong>Manual</strong><br />

6F3B0253<br />

Function<br />

When the input is ON and the device A is changed from ON to OFF (ON at last scan and OFF at<br />

this scan), the output is turned ON.<br />

This instruction is used to detect the device changing from ON to OFF.<br />

Execution condition<br />

Input Operation Output<br />

OFF Regardless of the state of device A OFF<br />

ON State of device A is OFF A is OFF at last scan OFF<br />

A is ON at last scan ON<br />

State of device A is ON OFF<br />

Operand<br />

Name Device Register Constant Index<br />

X Y R S T. C. XWYWRWSW T C D I J K<br />

A Device √ √ √ √ √ √<br />

Example<br />

R100 comes ON for only 1 scan when X000 is ON and X003 changes to OFF.<br />

X000<br />

X003<br />

R100<br />

1 scan time 1 scan time<br />

Note<br />

• The maximum usable number in a program is 2048.<br />

( P N (P) (N) total)<br />

<strong>CTi</strong> <strong>Automation</strong> - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net

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