Advantech PCI-1720 Manual de usuario

PCI-1720

4-ch Isolated Analog Output

Card

PCI-1720U

4-ch Isolated Analog Output

Card with Universal PCI Bus

User Manual

PCI-1720 & 1720U User Manual ii

This documentation and the software included with this product are

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

Advantech 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

transmitted 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 is a trademark of Advantech Co., Ltd. IBM and PC are

trademarks of International Business Machines Corporation. MS-DOS

and Windows are trademarks of Microsoft Corporation. Intel and Pentium

are trademarks of Intel Corporation. All other product names or trade-

marks are properties of their respective owners.

Part No. 2003172011 2nd Edition

Printed in Taiwan May 2005

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.

PCI-1720 & 1720U User Manual iv

CE Notification

PCI-1720 and PCI-1720U have passed the CE test for environmental

specifications when shielded cables are used for external wiring. We rec-

ommend the use of shielded cables. This kind of cable is available from

Advantech. Please contact your local supplier for ordering information.

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 cus-

tomer service center for technical support if you need additional

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

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.

2. Disconnect power before making any configuration changes. The

sudden rush of power as you connect a jumper or install a card may

damage sensitive electronic components.

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 PCI-1720 or PCI-1720Ucard

1x Companion CD-ROM (DLL driver included)

1x User Manual (this manual)

v Table of Contents

Contents

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

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

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

1.3 Applications................................................................................. 3

1.4 Specifications............................................................................... 3

1.5 Block Diagram............................................................................. 4

Chapter 2 Installation ....................................................... 6

2.1 Unpacking.................................................................................... 6

2.2 Driver Installation........................................................................ 7

Figure 2.1: Setup Screen of Advantech Automation Software 7

Figure 2.2: Different Options for Driver Setup ........................ 8

2.3 Hardware Installation .................................................................. 9

Figure 2.3: The Device Name Listed on Device Manager .... 10

2.4 Device Setup and Configuration ............................................... 11

2.4.1 Setting Up the Device ............................................................. 11

Figure 2.4: The Device Manager Dialog Box ........................ 11

2.4.2 Configuring the Device .......................................................... 12

Figure 2.5: The Device Setting dialog box ............................ 12

Figure 2.6: Device Name Appearing on List of Devices Box 13

Chapter 3 Jumpers and I/O Connectors ....................... 16

Figure 3.1: Jumper Locations (SW1 is only for PCI-1720U) 16

3.1 Jumper Settings.......................................................................... 16

3.1.1 Using Jumpers to Set Current Sink Ranges ............................ 16

Figure 3.2: Jumper Settings for PCI-1720U’s Current Sink

Range ................................................................... 16

3.1.2 Jumper JP5 Setting for the Reset State ................................... 17

Figure 3.3: Jumper JP5 Setting for the Reset State ................ 17

3.2 Connector and Pin Assignments................................................ 18

Figure 3.4: PCI-1720U Pin Assignments ............................... 18

3.2.1 Signal Descriptions of I/O Connector .................................... 19

3.3 Setting the BoardID Switch (SW1) ........................................... 20

Table 3.1: Board ID Setting (SW1) ...................................... 20

3.3.1 Identity Register ..................................................................... 21

PCI-1720 & 1720U User Manual vi

Table 3.2: Identity Register of PCI-1720U ........................... 21

Chapter 4 Register Structure and Format.................... 24

4.1 Overview ................................................................................... 24

4.2 I/O Port Address Map................................................................ 25

Table 4.1: Register Format and Function Description .......... 25

4.2.1 D/A Output Channel 0 to 3 ..................................................... 26

Table 4.2: Register for D/A Data .......................................... 26

4.2.2 D/A Voltage Range and Polarity ............................................ 26

Table 4.3: Register for D/A Voltage Range and Polarity ..... 26

Table 4.4: Output Range of D/A Channel n ......................... 26

4.2.3 Synchronized Output Prompt Register ................................... 27

4.2.4 Synchronized Output Control Bitt .......................................... 27

Table 4.5: Synchronized Output Control Bit ........................ 27

4.3 Unipolar and Bipolar Binary Code Tables ................................ 28

Table 4.6: Unipolar Binary Code Table ............................... 28

Table 4.7: Bipolar Binary Code Table .................................. 28

Chapter 5 Signal Connections ........................................ 30

5.1 Overview ................................................................................... 30

5.2 D/A Voltage Output Connections.............................................. 30

Figure 5.1: Floating-load Conn. for D/A Voltage Output ...... 30

Figure 5.2: Grounded-load Conn. for D/A Voltage Output ... 31

Figure 5.3: Differential-load Conn. for D/A Voltage Output 31

5.3 Current Sink Connections.......................................................... 32

Figure 5.4: Grounded-load connection with a floating power

supply .................................................................. 32

Figure 5.5: Floating-load connection with a grounded power

supply .................................................................. 32

Figure 5.6: Floating-load Conn. with an Internal +12 VDC Pow-

er Supply .............................................................. 33

5.4 Current Sink Load and Power Supply ....................................... 33

Figure 5.7: PCI-1720U Current Sink Circuitry ...................... 33

Appendix A Calibration ..................................................... 36

A.1 Overview ................................................................................... 36

A.2 Starting Calibration.................................................................... 37

Figure A.1:PCI-1720U VR assignment ................................. 37

A.3 Unipolar Output Calibration...................................................... 38

A.4 Bipolar Output Calibration ........................................................ 38

A.5 Current Sink Calibration............................................................ 38

CHAPTER

General Information

PCI-1720 & 1720U User Manual 2

Chapter 1 General Information

1.1 Introduction

PCI-1720 cards are isolated analog output cards. They provide four 12-bit

analog output channels with isolation protection of 2,500 V DC between

the outputs and the PCI bus. This is ideal for industrial applications

where high-voltage protection is required. PCI-1720U is also equipped

with a universal PCI interface.

Keeping the Output Settings and Values after System Reset

The four outputs can be set independently to different ranges:

0 to +5 V, 0 to +10 V, ±5 V, ±10 V, 0 to 20 mA (sink) or 4 to 20 mA

(sink). When the system is hot reset (the power is not shut off),

PCI-1720 cards can either retain the last analog output settings and val-

ues, or return to its default configuration based on its jumper setting. This

practical function eliminates danger caused by misoperation during

unexpected system resets.

PCI-bus Plug & Play

The PCI-1720 cards use a PCI controller to interface the cards to the PCI

bus. The controller fully implements the PCI bus specification Rev 2.1.

All bus relative configurations, such as base address and interrupt assign-

ment, are automatically controlled by software.

1.2 Features

• Four 12-bit D/A output channels

• Multiple output ranges

• 2500 VDC isolation between the outputs and the PCI bus

• Keeps the output settings and values after system reset

• One 37-pin D-type connector for easy wiring

• BoardID switch

• Universal PCI Bus (PCI-1720U only)

• Glitch-free power up

3 Chapter1

1.3 Applications

• Process control

• Programmable voltage source

• Programmable current sink

• Servo control

1.4 Specifications

D/A Output

• Channels: 4 isolated D/A channels

• Resolution: 12 bits

• Output Ranges:Unipolar: 0 ~ +5 V, 0 ~ +10 V

Bipolar: ±5 V, ±10 V

Current loop (sink): 0 ~ 20 mA, 4 ~ 20 mA

• Throughput: 500 kHz

• Accuracy: ±0.024%

• Isolation Voltage: 2,500 V DC between the outputs and the PCI bus

• Output Current: ±5 mA max.

• Current Loop Excitation Voltage: 50 V max.

• On-board 12 VDC Excitation Voltage: (80 mA max.)

Power Consumption

• +5 V @ 350 mA (typical), 500mA (Max.)

• +12V @ 200 mA (typical), 350mA (Max.)

Physical

• Connector: 37-pin D-type connector

• Dimensions: 175 x 100 mm (6.9" x 3.9")

PCI-1720 & 1720U User Manual 4

Environment

• 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)

• MTBF: over 71,280 hrs @ 25° C, grounded, fixed environment

1.5 Block Diagram

PCI BUS

PCI

Controller

Isolation

2500 V

Control

Logic

and

Decoder

Data Buffer Data Buffer

4 Ch

12 Bit

D/A D/A Range

Control

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