Advantech PCI-1242 Manual de usuario descargar pdf (Pagina 18)

9-18

Features

Motion Control

All product specifications are subject to change without notice Last updated : January 2005

Speciﬁcations

Encoder Input

 Number of Axes 4 (independent)

 Resolution 32-bit

 Max. Quadrature Input 1.0 MHz with Digital Filter

2.0 MHz without Digital Filter

 Digital Filter 4 stage

 Drive Type Single-ended or differential

 Counter Mode Quadrature, Up/Down, Count/Direction

 Optical Isolation 2,500 V

 Max. Input Pulse Freq. x 1, x 2, x 4

 Sample Clock Freq. 8, 4, 2, or 1 MHz

Input Range

 Single Ended Configuration:

Input Logic

CH- = 0V (GND)

CH+ > 2.8V

High

CH- = 0V (GND)

CH+ < 0.8V

Low

CH+ max. input voltage: +12V

 Differential Configuration:

Input Logic

CH+ - CH- > 0.2V High

-0.2V < CH+ - CH- < 0.2V Unknown

CH+ - CH- < -0.2V Low

CH+/CH- max. input voltage: ±12V

Timer

 Resolution 8-bit

 Time Base 50 , 5 k, 500, 50, 5 Hz

PCI-1784

 Four 32-bit up/down counters

 Single ended or differential inputs

 Pulse/direction and up/down counter

 x1, x2, x4 counts for each encoder cycle

 Optically isolated up to 2,500 V

 4-stage digital filter with selectable sampling rate

 On-board 8-bit timer with wide range time-base selector

 Multiple interrupt sources for precision application

 4 isolated digital input

 4 isolated digital output

 BoardID™ switch

Isolated Digital Input

 Channels 4

 Optical Isolation 2,500 V

 Opto-Isolator Rsp.Time 25 ms

 Over-Voltage Protection 70 V

 Input Voltage VIH (max.) 30 V

VIH (min.) 10 V

VIL (max.) 3 V

Isolated Digital Output

 Channels 4

 Optical Isolation 2,500 V

 Response Time 20 ms (max.)

 Supply Voltage TTL level

 Sink/Source Current 50 mA max./channel

Interrupt

 Source Counter overflow, Counter underflow, Index input,

Timer, Digital input

Counter Latch

 Source Software, Timer, Index input, Digital input

General

 I/O Connector Type 37-pin D-sub female

 Dimensions (L x H) 175 x 100 mm (6.9” x 3.9”)

 Power Consumption Typical +5 V @ 200 mA

Max. +5 V @ 450 mA

 Operating Temperature 0 ~ 60° C (32 ~ 140° F)

 Storage Temperature -20 ~ 70° C (-4 ~ 158° F)

 Relative Humidity 5~95% RH non-condensing (refer to IEC 68-2-3)

 Certifications CE certified

4-axis Quadrature Encoder

and Counter Card

Introduction

The PCI-1784 is a 4-axis quadrature encoder and counter add-on card for PCI bus. The card includes four 32-bit quadruple AB phase encoder counters, 8-bit timer with multi range

time-base selector and 4 isolated digital inputs as well as 4 isolated digital outputs. Its flexible interrupt sources are suitable for motor control and position monitoring.

Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com

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Advantech PCI-1242 Manual de usuario Pagina 18

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