Advantech MIC-3756 Manuale utente

This document is copyrighted, 2003. All rights are reserved. The

original manufacturer reserves the right to make improvements to the

products described in this manual at any time without notice.

No part of this manual may be reproduced, copied, translated or

transmitted in any form or by any means without the prior written

permission of the original manufacturer. Information provided in this

manual is intended to be accurate and reliable. However, the original

manufacturer assumes no responsibility for its use, nor for any

infringements upon the rights of third parties which may result fromits

use.

Acknowledgments

MS-DOS, Windows®, Microsoft® Visual C++ and Visual BASIC are

trademarks of Microsoft® Corporation. Intel® and Pentium® are

trademarks of Intel Corporation. Delphi and C++ Builder are

trademarks of Borland Software Corporation.

CE notification

The MIC-3756, developed by ADVANTECH CO., LTD., has passed

the CE test for environmental specifications when shielded cables are

used for external wiring. We recommend the use of shielded cables.

This kind of cable is available from Advantech. Please contact your

local supplier for ordering information.

On-line Technical Support

For technical support and service, please visit our support website at:

http://www.advantech.com/support

Part No.2003375600 1st Edition

Printed in Taiwan October 2003

(This page is left blank for hard printing.)

iii

Contents

1. Introduction ·······································································································3

1.1 Features ··································································································3

1.2 Specifications ························································································6

2. Hardware Configuration···············································································9

2.1 Initial Inspection····················································································9

2.2 Hardware Installation········································································11

2.3 Board Layout ·······················································································14

3. Pin Assignment and Jumper Setting···················································19

3.1 Pin Assignment ···················································································19

3.2 Location of Jumpers and DIP switch···········································22

3.3 Isolated Digital Input Connections················································23

3.4 Isolated Digital Output Connections ············································24

3.5 Field Wiring Considerations····························································26

4. Operations········································································································29

4.1 Interrupt Function···············································································29

4.2 Board ID································································································33

4.3 Channel-Freeze Function································································35

4.4 Counter Function················································································38

Appendix A. Specifications···········································································45

Appendix B. Register Structure & format···············································47

B.1 Register Structure··············································································47

B.2 Register Format··················································································48

Appendix C. Waveform of Counter Mode ···············································51

Tables

Table 3-2 JP3 Power on configuration after hot reset········································24

Table 4-1 Interrupt control register bit map·························································30

Table 4-2 Latch port data disable/enable control bit ··········································31

Table 4-3 Interrupt disable/enable control bit values·········································31

Table 4-4 Interrupt triggering edge control bit values········································31

Table 4-5 Interrupt flag bit values··········································································32

Table 4-6 Board ID register····················································································33

Table 4-7 Board ID setting······················································································34

Table 4-8 JP2 Channel-Freeze function input mode···········································36

Table 4-9 Channel-Freeze function register·························································37

Table 4-10 Channel-Freeze function bit value·····················································37

Table 4-11 Counter Mode Register········································································38

Table 4-12 Counter Read Register········································································39

Table 4-13 Set Value Register···············································································39

Table 4-14 Counter Reset Register········································································39

Table 4-15 INT Register of Counter·····································································40

Figures

Fig.2-1MIC-3756 board layout············································································14

Fig.3-1I/O Connector pin assignments for the MIC-3756 ······························20

Fig.3-2Location of Jumpers and DIP switch on MIC-3756····························22

Fig.3-3 Isolated digital input connection·····························································23

Fig.3-4 Isolated Digital Output Connection························································25

Fig.4-2 The wiring in wet/dry contact input mode············································36

Introduction

CHAPTER

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1. Introduction

This chapter gives background information on the MIC-3756. It then

shows you how to configure the card to match your application and

prepare it for installation into your system.

The MIC-3756 is a 64-channel Isolated Digital I/O CompactPCI™

DAS Card,which complies with PICMG 2.0 R2.1 CompactPCI

specifications.The MIC-3756 features a unique circuit design and

complete functions for data acquisition and control. It is a powerful

data acquisition (DAS) card for the CompactPCI bus.

1.1 Features

wCPCI bus specification 2.1 compliant

wCPCI 3U size card

w32 isolated digital input channels

w32 isolated digital output channels

wHigh-voltage isolation for input/output channels (2,500 VDC )

wWide input range (10 ~ 50 VDC )

wWide output range (5 ~ 40 VDC )

wHigh-sink current on isolated output channels (200 mA max./

channel)

wHigh over-voltage protection (70 VDC ) for input channels

wBoard ID

wOutput status read-back for output channels

wDigital output value retainedafter hot system reset

wChannel-Freeze function for output channels

wOne independent 16-bit UP Counter

w2 Counter Clock Source selectable

w1MHz input counter frequency on broad

wI/O address automatically assigned by PCI plug-and-play

wOS supported: Windows® NT, Windows® 95/98, Windows®

2000, Windows® XP

wInterrupt status register for increased performance

The Advantech MIC-3756 DAS card offers the following main

features:

Robust Isolation

The MIC-3756 features a robust isolation protection for applications

in industrial, lab and machinery automation. The MIC-3756 can

durably withstand voltages up to 2,500 VDC, preventing your host

system from any incidental harms. Even with an input voltage rising

up to 70 VDC, the input channels of MIC-3756 can still manage to

work properly albeit only for a short period of time.

Wide Input/Output Range

The MIC-3756 has a wide range of input voltage from 10 to 50 VDC,

which is suitable for most industrial applications with 12 VDC, 24

VDC and 48 VDC input voltage. The MIC-3756 also features a wide

output voltage ranging from 5 to 40 VDC, suitable for most industrial

applications with 12 VDC / 24 VDC output voltage. In the mean time,

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