ADLINK Technology ACL -6128 Betriebsanweisung Seite 1

NuDAQ® ACL-7120A Digital I/O & Timer/Counter Card User’s Guide

4 • Introduction • Mode: 6 programmable modes • Usable pins: Device Usable pins ACL-7120A/3 CLK and GATE for counter 0 - counter 2 ACL-7120A/6 CL

Introduction • 5 1.4 Software Support The ACL-7120A is programmable using simple 8-bit I/O port commands. Users can use high-level languages, such as

Installation • 7 2 Installation This chapter describes how to install the ACL-7120A. Please carefully review the unpacking information before removin

8 • Installation 2.2 Unpacking Your ACL-7120A card contains sensitive electronic components that can be easily damaged by static electricity. Prepa

Installation • 9 2.3 ACL-7120A Layout Figure 2.1 7120A Layout SW1CN1 CN2 CN3 CN4 CN5JP1JP2JP3Count 0 Count 1 ● ●●●●●●●●●●●●●●●●●●●●●●●●●●

10 • Installation 2.4 Jumper and DIP Switch Description The ACL-7120A channels and base addresses can be changed through jumper settings and DIP swi

Installation • 11 2.5 Base Address Setting The ACL-7120A requires eight consecutive address locations in the I/O address space. The base address of

12 • Installation How to define the base address for the ACL-7120A? DIP1 through DIP6 in the switch SW1 are one-to-one corresponding to the PC bus

Installation • 13 2.6 Interrupt Settings To use the interrupt function, a second counter chip (CNT 1) needs to be installed on the ACL-7120A/3. The a

14 • Installation JP3*default setting :TME IRQEXT IRQEVT IRQTME IRQ Figure 2.4

Installation • 15 2.7 Clock Frequency Settings The ACL-7120A board offers 3 frequency sources: 10kHz, 100kHz, and 1 MHz. These frequencies can be do

16 • Installation 2.8 ACL-7120A Software Library Installation The DOS software library is supplied with the ACL-7120A. Function prototypes and usefu

Signal Connections • 17 3 Signal Connections 3.1 Connector Pin Assignment The ACL-7120A comes equipped with five 20-pin insulation displacement conne

18 • Signal Connections CN1: Digital OUT (0-15) CN 2: Digital IN (0-15) 1 3 5 7 9 11 13 15 17 19 DO 0 DO 2 DO 4 DO 6 DO 8 DO 10 DO 12 DO 14 GND +5

Signal Connections • 19 CN 3: Digital OUT (16 - 31) CN 4: Digital IN (16 - 31) DO 16 DO 18 DO 20 DO 22 DO 24 DO 26 DO 28 DO 30 GND +5V DO 17 DO 1

20 • Signal Connections CN 5: COUNTER CLK 2 OUT 2 GATE 2 EVENT GATE 3 GATE 4 EXT IRQ GND +5V CLK 1 OUT 1 GATE 1 CLK 0 OUT 0 GATE 0 GND 1 3 5 7 9 11

Signal Connections • 21 3.2 Timer/counter signal pads Counter 0Counter 1Counter 2CLK0GATE0OUT0CLK1GATE1CLK2GATE2OUT1OUT28254 Timer/CounterCN5 Pin-8C

22 • Signal Connections 3.3 Interrupt Trigger Source The second interval timer/counter 8254 chip on the ACL-7120A is used to generate sources for in

Signal Connections • 23 3.4 Clock Source Pads In addition to the clock signal pads, the frequency sources can also be wired through the soldering pa

Copyright 1995, 2003 ADLINK TECHNOLOGY INC. All Rights Reserved. Manual Rev. 1.00: May 30, 2003 Part No: 50-11031-100 The information in this docum

24 • Signal Connections 3.5 Latch Digital Inputs The ACL-7120A offers a handy method to latch the input status for special applications. A latched i

Programming • 25 4 Programming 4.1 I/O Registers Format The ACL-7120A occupies 16 consecutive addresses in the PC I/O address space. Table 4.1 show

26 • Programming 4.2 Digital I/O Programming The ACL 7120A provides 32 digital input channels and 32 digital output channels. Four I/O port address (

Programming • 27 ♦ Write operation: The digital output states are written as 1 single byte to the port at address BASE+N (N=0,1,2,3). Data is written

28 • Programming 4.3 Programmable Interval Timer Note: The material of this section is adopted from “Intel Microprocessor and Peripheral Handbook V

Programming • 29 Before loading or reading any of these individual counters, the control byte (Base + 7, Base + 11) must be loaded first. The format

30 • Programming 4.3.3 Mode definition There are six different selectable operating modes in the 8254: Mode 0: Interrupt on terminal count The outpu

Programming • 31 Mode 3: Square Wave Rate Generator. Similar to Mode 2 except that the output will remain high until one half of the count has been

Warranty Policy• 33 Warranty Policy Thank you for choosing ADLINK. To understand your rights and enjoy all the after-sales services we offer, please

Getting Service from ADLINK Customer Satisfaction is top priority for ADLINK TECHNOLOGY INC. If you need any help or service, please contact us. ADL

34 • Warranty Policy • Damage caused by leakage of battery fluid during or after change of batteries by customer/user. • Damage from improper repa

Table of Contents Chapter 1 Introduction... 1 1.1 Features ...

ii • How to Use This Guide How to Use This Guide This manual is designed to assist users in understanding the ACL-7120A and describes how to modify

Introduction • 1 1 Introduction The ACL-7120A digital I/O and counter/timer card consists of 32 digital input, 32 digital output, and 4 timer/counter

2 • Introduction 1.1 Features • Fully compatible with ADLINK ACL-7120 and Advantech PCL-720 • 32 TTL digital input channels • 32 TTL digital outp

Introduction • 3 1.3 Specifications ♦ General Specification: • Dimensions: 193.5 mm x 114 mm • Bus: PC-AT bus • I/O port address: Hex 200 - Hex 3FF