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

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

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8.3.2 Single phase speed-counter<br />

Function<br />

6F3B0253<br />

8. Special I/O Functions<br />

This function counts the number of changes of the count input from OFF to ON during<br />

the every specified sampling time. The count value in a sampling time is stored in the<br />

hold value register.<br />

This counter operation is enabled while the soft-gate is ON. When the soft-gate is<br />

OFF, the hold value is cleared to 0.<br />

The setting range of the sampling time is 10 to 1000ms (10ms units).<br />

The count value range is H0000 to HFFFF (16-bit).<br />

Hardware condition<br />

Count input (X000 and X001)<br />

ON/OFF pulse width: 100µs or more (max. 5KHz)<br />

Related registers<br />

SW16: Function selection. Refer to section 8.1.<br />

Function Register/device Remarks<br />

Channel 1 Channel 2<br />

Count input X000 X001 (Note 2)<br />

Sampling time SW18 SW20 Data range: 1 to 100 (Note 1)<br />

Hold value SW22 SW23 Data range: H0000 to HFFFF<br />

Soft-gate S240 S248 Operation is enabled when ON<br />

Note 1) The setting data range of the sampling time is 1 to 100. (10ms multiplier)<br />

Note 2) When both channels are used, X000 and X001 cannot be used as normal<br />

input devices. However, if either one channel is used, the input for unused<br />

channel can be used as normal input devices.<br />

Interrupt assignment<br />

No interrupt function.<br />

Basic Hardware and Function 263<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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