Advantech PCM-3718 Series Manual de usuario

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PCM-3718 Series

PC/104 12-bit DAS Module

with Programmable Gain

User Manual

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PCM-3718 Series User Manual ii

This documentation and the software included with this product are

copyrighted 2005 by Advantech Co., Ltd. All rights are reserved. Advan-

tech Co., Ltd. reserves the right to make improvements in the products

described in this manual at any time without notice.

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

ted in any form or by any means without the prior written permission of

Advantech Co., Ltd. Information provided in this manual is intended to

be accurate and reliable. However, Advantech Co., Ltd. assumes no

responsibility for its use, nor for any infringements of the rights of third

parties which may result from its use.

Acknowledgments

PC-LabCard and ADAQView are registered trademarks of Advantech

Co., Ltd. All other brands, trademarks, or products listed are tradenames

or trademarks of their respective companies.

This Manual Covers the Following Models

• PCM-3718H 12-bit multifunction module with programmable

gain

• PCM-3718HG PCM-3718 with high gain

• PCM-3718HO PCM-3718 with analog output

CE Notification

The products of the PCM-3718 Series, developed by Advantech Co.,

Ltd., have all 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.

Part No. 2003371830 3rd Edition

Printed in Taiwan May 2005

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iii

Product Warranty (2 years)

Advantech warrants to you, the original purchaser, that each of its prod-

ucts will be free from defects in materials and workmanship for two years

from the date of purchase.

This warranty does not apply to any products which have been repaired or

altered by persons other than repair personnel authorized by Advantech,

or which have been subject to misuse, abuse, accident or improper instal-

lation. Advantech assumes no liability under the terms of this warranty as

a consequence of such events.

Because of Advantech’s high quality-control standards and rigorous test-

ing, most of our customers never need to use our repair service. If an

Advantech product is defective, it will be repaired or replaced at no

charge during the warranty period. For out-of-warranty repairs, you will

be billed according to the cost of replacement materials, service time and

freight. Please consult your dealer for more details.

If you think you have a defective product, follow these steps:

1. Collect all the information about the problem encountered. (For

example, CPU speed, Advantech products used, other hardware

and software used, etc.) Note anything abnormal and list any

onscreen messages you get when the problem occurs.

2. Call your dealer and describe the problem. Please have your man-

ual, product, and any helpful information readily available.

3. If your product is diagnosed as defective, obtain an RMA (return

merchandize authorization) number from your dealer. This allows

us to process your return more quickly.

4. Carefully pack the defective product, a fully-completed Repair and

Replacement Order Card and a photocopy proof of purchase date

(such as your sales receipt) in a shippable container. A product

returned without proof of the purchase date is not eligible for war-

ranty service.

5. Write the RMA number visibly on the outside of the package and

ship it prepaid to your dealer.

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PCM-3718 Series User Manual iv

Technical Support and Assistance

Step 1. Visit the Advantech web site at www.advantech.com/support

where you can find the latest information about the product.

Step 2. Contact your distributor, sales representative, or Advantech's

customer service center for technical support if you need addi-

tional assistance. Please have the following information ready

before you call:

- Product name and serial number

- Description of your peripheral attachments

- Description of your software (operating system, version, appli-

cation software, etc.)

- A complete description of the problem

- The exact wording of any error messages

Packing List

Before setting up the system, check that the items listed below are

included and in good condition. If any item does not accord with the

table, please contact your dealer immediately.

• 1x PCM-3718 series card

• 1x Companion CD-ROM (DLL driver included)

• 1x User Manual (this manual)

• 1 x Counter Cable (P/N:1700001437) (PCM-3718HO only)

Safety Precaution - Static Electricity

Follow these simple precautions to protect yourself from harm and the

products from damage.

1. To avoid electrical shock, always disconnect the power from your

PC chassis before you work on it. Don't touch any components on

the CPU card or other cards while the PC is on.

Disconnect power before making any configuration changes. The sudden

rush of power as you connect a jumper or install a card may damage sen-

sitive electronic components.

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v Table of Contents

Contents

Chapter 1 General Information ....................................... 2

1.1 Introduction ................................................................................. 2

1.2 Features........................................................................................ 2

1.3 Specifications............................................................................... 3

1.3.1 Analog Input ............................................................................. 3

1.3.2 Analog Output (PCM-3718HO only) ....................................... 4

1.3.3 Digital Input and Output ........................................................... 4

1.3.4 Programmable Pacer ................................................................. 5

1.3.5 General ..................................................................................... 5

1.4 Locating Components.................................................................. 6

Figure 1.1: Connectors, Switches and VR Locations ............ 6

1.5 Daughterboards............................................................................ 8

1.6 Software Support ......................................................................... 9

1.7 Block Diagram........................................................................... 10

Chapter 2 Installation ..................................................... 12

2.1 Initial Inspection ........................................................................ 12

2.2 Switch and Jumper Settings....................................................... 13

2.2.1 Base Address Selection (SW1) ............................................... 13

Table 2.1: Module I/O Addresses (SW1) ............................. 13

Table 2.2: PC bus Address Control ...................................... 13

2.2.2 DMA Channel and Timer Clock Selection (JP1) ................... 14

2.2.3 Channel Configuration, S. E. or diff. (JP2) ............................ 14

2.2.4 External Input or D I/O Selection (JP3) ................................. 15

2.2.5 Set P1 pin 19, 20 to AGND (JP4) (PCM-3718HO) ............... 16

2.2.6 Enable/Disable FIFO Selection (JP6) (PCM-3718HO only) . 16

2.2.7 FIFO IRQ Address Selection (JP9) (PCM-3718HO only) ..... 17

2.2.8 D/A Range Selection: 5/10V (JP10) (PCM-3718HO only) ... 17

2.2.9 Internal or External D/A Reference Voltage (JP11) (PCM-

3718HO only) ......................................................................... 17

2.3 Connector Pin Assignments....................................................... 18

2.3.1 Counter Cable ......................................................................... 20

Figure 2.1: Pin Assignment of Counter Cable .................... 20

Table 2.3: Mapping Table for DB9/2 x3 Pin Header Cable . 20

2.4 Software Installation.................................................................. 20

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PCM-3718H/3718HG User Manual vi

2.5 Hardware Installation ................................................................ 21

Chapter 3 Signal Connections ........................................ 24

3.1 Analog Output Connection (PCM-3718HO)............................. 24

3.2 Analog Input Signal Connections.............................................. 25

3.2.1 Single-ended Channel Connections ........................................ 25

3.2.2 Differential Channel Connection ............................................ 25

3.3 Expanding Analog Inputs .......................................................... 27

3.4 Digital Signal Connections........................................................ 28

Chapter 4 Register Structure and Format.................... 30

Table 4.1: I/O Port Address Assignments ............................ 30

4.1 A/D Data Registers - BASE+0/1............................................... 31

4.2 Software A/D Trigger - BASE+0 .............................................. 31

4.3 A/D Range Control - BASE+1 .................................................. 32

4.4 MUX Scan Register -BASE+2.................................................. 34

4.5 Digital I/O Registers - BASE+3/11........................................... 35

4.6 D/A Output — BASE+04/05H (PCM-3718HO only) .............. 36

Table 4.2: Register for D/A Output Data .............................. 36

4.7 FIFO Interrupt Control — BASE+06H (PCM-3718HO only).. 37

Table 4.3: Register for FIFO Interrupt Control .................... 37

4.8 A/D Status Register - BASE+8 ................................................. 37

4.9 Control Register - BASE+9....................................................... 39

4.10 Pacer Enable Register - BASE+10 ............................................ 40

4.11 Programmable Pacer Reg. - BASE+12/13/14/15 ...................... 40

4.12 A/D data and channel from FIFO - BASE + 17/18H (PCM-

3718HO only) ............................................................................ 41

Table 4.4: Register for A/D Data and Channel from FIFO .. 41

4.13 FIFO status - BASE+19H (PCM-3718HO only) ...................... 42

Table 4.5: Register for FIFO Status ...................................... 42

4.14 FIFO Clear - BASE+19H .......................................................... 42

Table 4.6: Register for FIFO Clear ....................................... 42

Chapter 5 A/D Conversion ............................................. 44

5.1 A/D Data Format and Status Register ....................................... 44

5.2 Input Range Selection................................................................ 45

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vii Table of Contents

5.3 MUX Setting.............................................................................. 45

5.4 Trigger Mode............................................................................. 46

5.5 A/D Data Transfer ..................................................................... 47

5.6 How to Make an A/D Conversion ............................................. 48

Chapter 6 Digital Input/Output ..................................... 50

Chapter 7 Programmable Pacer .................................... 52

7.1 The Intel 8254............................................................................ 52

7.2 Counter Read/write and Control Register ................................. 53

7.3 Counter Operating Modes ......................................................... 56

7.4 Counter Operations.................................................................... 58

7.5 Counter Applications................................................................. 59

Chapter 8 Direct Memory Access (DMA) Operation .. 62

8.1 Introduction to the 8237 DMA Controller................................. 62

8.2 Using DMA Transfer with PCM-3718 Cards............................ 63

Chapter 9 Calibration ..................................................... 66

9.1 VR Assignment.......................................................................... 66

9.2 D/A, A/D Calibration ............................................................... 67

9.2.1 D/A Calibration Procedure ..................................................... 67

9.2.2 A/D Calibration Procedures ................................................... 67

Appendix A Software Driver User Note ........................... 70

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PCM-3718H/3718HG User Manual viii

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CHAPTER

General Information

This chapter introduces the PCM-3718

Series and provides detailed specifica-

tions.

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