Advantech PCI-1242 Manual de usuario descargar pdf (Pagina 21)

9-21

Features

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ICOM

Motion Control

ADAM-3000

cPCI

DA&C

ATM & AWS

FPM

TPC

IPPC

Software

eConnectivity

UNO

ADAM-4000

ADAM-5000

ADAM-6000

ADAM-8000

BAS

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

Speciﬁcations

Encoder Input

 Axes 3, independent

 Max. Quadrature 1.0 MHz

Input Frequency

 Max. Input Pulse 2.4 MHz

Frequency

 Counts per Encoder x1, x2, x4 (S/W selectable)

Cycle

 Encoder Type Single-ended or differential

 Counter Size 24 bits, easily daisychains for up to 48 bits

 Counter Modes quadrature, up/down, pulse/direction (S/W selectable)

 Digital Filter 4 stage

 Sample Clock 8, 4 or 2 MHz (S/W selectable)

Frequency

 Input Isolation 2,500 V

RMS

using optical isolators

Digital Input

 Number of Channels Five digital, with interrupt

 Input Isolation 2,500 V

RMS

using optical isolators

PCL-833

3-axis Quadrature Encoder

and Counter Card

 1.0 MHz max. quadrature input rate

 3 24-bit counters (can cascade up to 48 bits)

 Optically isolated up to 2,500 V

RMS

 4-stage digital filter

 2.4 MHz max. input pulse rate

 Pulse/direction and up/down counting

 Digital input with interrupt for each axis

 Programmable time-interval interrupt

 Half-size AT bus card

Programmable Interrupt Controller

1 Hz, 10 Hz, 1 KHz or 10 KHz time base (S/W selected) with a programmable multiplier

of 1, 2, 3, 4, ..., 255

General

 Power Consumption +5 V @ 700 mA (typical)

+12 V @ 15 mA (typical)

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

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

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

 Connector DB25 female connector

 Dimensions (L x H) 185 x 100 mm (7.3” x 3.9”)

Ordering Information

 PCL-833 3-axis quadrature encoder and counter card, user’s

manual and driver CD-ROM (cable not included)

 ADAM-3925 DB25 wiring terminal for DIN-rail mounting

 PCL-10125-1 DB25 cable assembly, 1m

 PCL-10125-3 DB25 cable assembly, 3m

Introduction

TThe PCL-833 is a 3-axis quadrature encoder and counter add-on card for the IBM PC/AT and compatibles (ISA bus). This card lets your PC perform position monitoring for motion

control systems.

Encoder Interface

Each input includes a decoding circuit for incremental quadrature encoding. Inputs accept either single-ended or differential signals. Quadrature input works with or without an index,

allowing linear or rotary encoder feedback.

Counters

The PCL-833 has three independent 24-bit counters. The maximum quadrature input rate is 1.0 MHz, and the maximum input rate in counter mode is 2.4 MHz. You can individually

configure each counter for quadrature decoding, pulse/direction counting or up/down counting.

Digital Input and Interrupts

The PCL-833 provides five digital input channels. Each channel accepts digital input as an index input for a rotary encoder or as a home sensor input for a linear encoder.

The card can generate an interrupt to the system based on a signal from its digital inputs, overflow/underflow of its counters, or on a programmed time interval. It can repeatedly

generate interrupts at any time interval you specify, from 0.1 msec. to 255 sec. These interrupts let you precisely monitor the speed of a control system.

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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