Advantech Data Acquisition Modules ADAM 4000 Manual de usuario descargar pdf (Pagina 375)

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101

Appendix A

Appendix A Technical Specification A

-47

A.20 ADAM-4080D Counter/Frequency Input Module with

LED Display

Table A-24 ADAM-4080D Specifications

Input channels 2 independent 32-bit counters

Input frequency 50 kHz maximum

Input mode Isolated or non-isolated

Isolation input level

Logic level 0

Logical level

+1 V max

+3.5 V to +30 V

Isolation voltage 2500 V

RMS

Non-isolation input level

Logic Ievel 0

Logic level 1

Programmable threshold

0 to +5 V (default = 0.8 V)

0 to +5 V (default = 2.4 V)

Input pulse width >10 sec

Maximum count 4,294,967,295 (32 bits)

Programmable digital

noise filter

2 sec to 65 msec

Alarming High and Low comparators on counter 0

Frequency Measurement

Range

Programmable built-in

gate time

5 Hz to 50 KHz

1.0/0.1 sec

Display LED indicator 5-digit readout; CH 0 or

CH 1 (programmable)

Digital Output Channels

Sink current

Power dissipation

2 channels Open collector to 30 V

30 mA max. load

300 mW

Support protocol ADAM ASCII

Watchdog timer

1.6 second (System)

Power requirements +10 to +30 V

(non-regulated)

Power consumption 2.0 W @ 24 V

1 2 ... 370 371 372 373 374 375 376 377 378 379 380 ... 428 429

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Advantech Data Acquisition Modules ADAM 4000 Manual de usuario Pagina 375

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