Echelon I/O Model Reference for Smart Transceivers and Neu Instrukcja Użytkownika Pobierz pdf (Strona 16)

6 Introduction

Table 4. Summary of the Timer/Counter Input Models

I/O Model Applicable I/O Pins

Total Pins

per Object

Input/Output Value Page

Dualslope Input IO0, IO1 + (one of

IO4 – IO7)

2 Comparator output of the

dualslope converter logic

125

Edgelog Input IO4 1 A stream of input

transitions

129

Infrared Input IO4 – IO7 1 Encoded data stream from

an infrared demodulator

134

Ontime Input IO4 – IO7 1 Pulse width of 0.2 μs –

1.678 s

138

Period Input IO4 – IO7 1 Signal period of 0.2 μs –

1.678 s

141

Pulsecount Input IO4 – IO7 1 0 – 65,535 input edges

during

0.839 s

145

Quadrature Input IO4 + IO5, IO6 +

IO7

± 16,383 binary Gray code

transitions

148

Totalcount Input IO4 – IO7 1 0 – 65,535 input edges 151

See Chapter 5,

Timer/Counter Input Models

, on page 123, for more information

about the timer/counter input models.

Table 5. Summary of the Timer/Counter Output Models

I/O Model Applicable I/O Pins

Total Pins

per Object

Input/Output Value Page

Edgedivide Output IO0, IO1 + (one of

IO4 – IO7)

2 Output frequency is the

input frequency divided by

a user-specified number

156

Frequency Output IO0, IO1 1 Square wave of 0.3 Hz to

2.5 MHz

159

Infrared Pattern

Output

IO0, IO1 1 Series of timed repeating

square wave output signals

162

Oneshot Output IO0, IO1 1 Pulse of duration 0.2 μs to

1.678 s

165

Pulsecount Output IO0, IO1 1 0 – 65,535 pulses 168

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 208 209

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