Advantech Data Acquisition Modules ADAM 4000 Instrukcja Użytkownika Pobierz pdf (Strona 102)

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101

Chapter 3

Chapter 3 I/O Modules

3-75

ADAM-4080D Counter/Frequency Input Modules with LED Display

ADAM-4080D

CODE INPUT RANGE

DATA

ACQUISITION

MODULE

GATE 1-

GATE 1+

IN 1-

IN 0

GATE 0

D.GND

INIT*

(Y) DATA+

(G) DATA-

(R) +Vs

(B) GND

IN 1+

DO 0/LO

DO 1/HI

IN 1

COUNTER

FREQUENCY

GATE 1

IN 0+

IN 0-

GATE 0+

GATE 0-

(Non-isolation)

(Photo-isolation)

Figure 3-71 ADAM-4080D Counter/Frequency Input Module

with LED Display

Channels: 2 independent 32-bit counters (counter 0 and counter 1)

Input frequency: 50 kHz max.

Input mode: Isolated or non-isolated

Isolation input level:

- Logic level 0: +1 V max

- Logic level 1: +3.5 V to +30 V

- Input Impedance: 1.2 kΩ

Non-isolation input level (programmable threshold):

- Logic level 0: 0 to +5V (default = 0.8 V)

- Logic level 1: 0 to +5V (default = 2.4 V)

- Input Impedance: 50 MΩ

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