Echelon I/O Model Reference for Smart Transceivers and Neu Instrukcja Użytkownika Pobierz pdf (Strona 196)

186 Timer/Counter Output Models

Figure 72, an io_out( ) function call is executed with a count argument of 11.

After 11 negative edges at the input pin, the output goes low. The delay from the

last input edge to the output falling edge is 50 ns or less for a Series 3100 device

with an input clock of 40 MHz, or 12.5 ns or less for a Series 5000 device with an

80 MHz system clock.

Figure 72. Triggered Count Output

Usage

unsigned long

output-value

;

io_out(

io-object-name

output-value

);

Example

IO_0 output triggeredcount sync (IO_4) ioCascader;

when (...) {

// 1 big output pulse for 10 input pulses

io_out(ioCascader, 10);

}

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Echelon I/O Model Reference for Smart Transceivers and Neu Instrukcja Użytkownika Strona 196