Special i/o functions – Toshiba 6F3B0253 User Manual

Page 269

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6F3B0253

Basic Hardware and Function

267

8. Special I/O Functions

Sample program

(H0803)

In this example, 2051 (H0803) is set in SW16. As a result, the quadrature bi-pulse
counter is selected.
When R010 comes ON, the data 150000 is set into the comparison value 1 register
(SW19

⋅

SW18), and 200000 is set into the comparison value 2 register (SW21

⋅

SW20).

While R010 is ON, the soft-gate (S240), the interrupt enable flag 1 (S241) and the
interrupt enable flag 2 (S249) are set to ON to enable the counter operation.
The count value is stored in SW23

⋅

SW22.

When R010 is OFF and R011 comes ON, the count value is preset to the data of
D0101

⋅

D0100.

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