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PC-HELPER
Analog Input Board for PCI
AD12-16(PCI)E
AD12-16U(PCI)E
AD16-16(PCI)E
User’s Guide
CONTEC CO.,LTD.
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Check Your Package
Thank you for purchasing the CONTEC product.
The product consists of the items listed below.
Check, with the following list, that your package is complete. If you discover damaged or missing
items, contact your retailer.
Product Configuration List
- Board (One of the following) …1
[AD12-16(PCI)E, AD12-16U(PCI)E or AD16-16(PCI)E] …1
- User’s Guide (this booklet) …1
- CD-ROM [API-PAC(W32)] …1
User’s Guide
Board CD-ROM
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User’s Guide
[API-PAC(W32)]
i
Copyright
Copyright 1997 CONTEC CO., LTD. ALL RIGHTS RESERVED
No part of this document may be copied or reproduced in any form by any means without prior written
consent of CONTEC CO., LTD.
CONTEC CO., LTD. makes no commitment to update or keep current the information contained in this
document. The information in this document is subject to change without notice.
All relevant issues have been considered in the preparation of this document. Should you notice an
omission or any questionable item in this document, please feel free to notify CONTEC CO., LTD.
Regardless of the foregoing statement, CONTEC assumes no responsibility for any errors that may
appear in this document or for results obtained by the user as a result of using this product.
Trademarks
MS, Microsoft, Windows and Windows NT are trademarks of Microsoft Corporation. Other brand and
product names are trademarks of their respective holder.
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Table of Contents
Check Your P ackage................................................................................................................................i
Copyright .................................................................................................................................................ii
Trademarks ..............................................................................................................................................ii
Table of Contents...................................................................................................................................iii
1. BEFORE USING THE PRODUCT 1
About the Bo ard......................................................................................................................................1
Features............................................................................................................................................. 1
Support Software..............................................................................................................................2
Cable & Connector (Option) ........................................................................................................ 3
Accessories (Option)..................................................................................................................... 3
Customer Su pport....................................................................................................................................4
Web Site ...........................................................................................................................................4
Limited Th ree-Years Warranty...............................................................................................................4
How to Obta in Service............................................................................................................................4
Liability ................................................................................................................................................... 4
Safety Precautions...................................................................................................................................5
Safety Information ........................................................................................................................... 5
Handling Precautions.......................................................................................................................6
Environment..................................................................................................................................... 7
Inspection .........................................................................................................................................7
Storage..............................................................................................................................................7
Disposal ............................................................................................................................................ 7
2. SETUP 9
What is Setup?.........................................................................................................................................9
Using the Board under Windows Using the Driver Library API-PAC(W32)...............................9
Using the Board under Windows Using Software Other than the Driver Library
API-PAC(W32)................................................................................................................................ 9
Using the Board under an OS Oth e r than Windows.....................................................................10
Step 1 Installing the Software...............................................................................................................11
About the d river to be used............................................................................................................ 11
Starting th e Install Program...........................................................................................................12
Select API-AIO(WDM).................................................................................................................13
Select API-AIO(98/PC) ................................................................................................................. 14
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Step 2 Sett ing the Hardware..................................................................................................................16
Parts of the Board and Factory Defaults........................................................................................16
Setting the Board ID.......................................................................................................................19
Setting the interrupt signal r e source..............................................................................................19
Setting the Analog Input ................................................................................................................20
Setting the Analog Output..............................................................................................................22
Setting the Counter Control and Digital I/O Signals ....................................................................23
Plugging the Board.........................................................................................................................24
Step 3 Installing the Hardware..............................................................................................................25
Turning on the PC ..........................................................................................................................25
When Using API-AIO(WDM).......................................................................................................25
When Using API-AIO(98/PC) .......................................................................................................27
Step 4 Initi alizing the Software.............................................................................................................30
When Using API-AIO(WDM).......................................................................................................30
When Using API-AIO(98/PC) .......................................................................................................32
Step 5 Check ing Operations with the Diagnosis Progr am...................................................................33
What is the Diagnosis Program?....................................................................................................33
Check Method.................................................................................................................................33
Using the Di a g nosis Program for Use of API-AIO(WDM) .........................................................34
Using the Di a g nosis Program for Use of API-AIO(98/PC)..........................................................38
Setup Troubleshooting...........................................................................................................................41
Symptoms and Actions...................................................................................................................41
If your problem cannot be resolved...............................................................................................41
3. EXTERNAL CONNECTION 43
Using the On-board Connectors............................................................................................................43
Connecting a Device to a Connec tor.............................................................................................43
Connector Pin Assignment.............................................................................................................45
Analog Input Signal Connectio n...........................................................................................................47
Single-ended Input..........................................................................................................................47
Differential Input............................................................................................................................48
Analog Outp ut Signal Connection........................................................................................................49
Digital I/O signals and Control s i gnals Connection.............................................................................50
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4. FUNCTIONS 51
Analog Input Function .......................................................................................................................... 51
1. Setting the Conversion Conditions............................................................................................52
2. Starting /Stopping Operatio n ...................................................................................................... 57
3. Monitori n g the Status and Acquiring Data ...............................................................................58
4. Reset ........................................................................................................................................... 61
5. Extended function......................................................................................................................61
Analog Outp ut Function........................................................................................................................62
Digital Input Function...........................................................................................................................64
Digital Ou tput Function ........................................................................................................................65
5. ABOUT SOFTWARE 67
When using the API-AIO(WDM)......................................................................................................... 68
Accessing the Help File ................................................................................................................. 68
Using Sampl e Programs.................................................................................................................69
Using Utili ty Programs ..................................................................................................................71
When using the API-AIO(98/PC).........................................................................................................76
Accessing the Help File ................................................................................................................. 76
Using Sampl e Programs.................................................................................................................77
Using the Utility Program..............................................................................................................79
Uninstalling the Driver Libraries.......................................................................................................... 81
CD-ROM Directory Structure ..............................................................................................................82
6. ABOUT HARDWARE 83
Hardware sp ecification .........................................................................................................................83
Block Diagr am.......................................................................................................................................87
Timing of S ampling Control Signals....................................................................................................88
About Cali bration.................................................................................................................................. 89
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1. Before Using the Product
1. Before Using the Product
About the Board
AD12-16(PCI)E, AD12-16U(PCI)E and AD16-16(PCI)E are PCI-compliant interface boards that
convert analog input signals to digital equivalents (performing analog-to-digital conversion).
< AD12-16(PCI)E > is the general-purpose type that can perform A-D conversion at a conversion speed
of 10µsec per channel and a resolution of 12-bit.
< AD12-16U(PCI)E > is the high-speed type that can perform A-D conversion at a conversion speed of
1µsec per channel and a resolution of 12-bit.
< AD16-16(PCI)E > is the high-precision type that can perform A-D conversion at a conversion speed
of 10µsec per channel and a resolution of 16-bit.
Using the bundled driver library [API-PAC(W32)], you can create Windows application software for
this board in your favorite programming language supporting Win32 API functions, such as Visual
Basic or Visual C/C++.
Features
Sixteen single-ended channels and eight differential channels (Analog input function)
Either board allows the single-ended or differential input mode to be selected with on-board jumpers.
The order of channels subject to signal conversion can be preset in the dedicated register. Using an
optional unit, the board can increase the maximum number of input channels (up to 32 channels) and
perform simultaneous sampling.
On-board buffer memory (Analog input function)
The board has buffer memory available as a FIFO or ring buffer to hold 256 kilobytes of data. This
enables sampling to be executed in the background independently of the processing power of the PC.
Assorted sampling control functions (Analog input function)
The board can control the starting and stopping of sampling not only with software commands but also
by detecting analog signal strength or TTL-level signals. The board offers a choice of sampling clocks
selectable to determine the sampling speed: the internal sampling clock using the on-board clock
generator and the external sampling clock using the digital signal input from an external device.
Analog output function
The board has one channel of analog output function.
Digital input/output function
The board has four digital input and four digital output pins for TTL-level signals, allowing an external
device to be monitored and controlled.
Abundant optional units
Optional units are available for enhancements.
Using optional units enhances board functions and facilitates connections.
For more details on the option, please refer to this chapter “Cable & Connect o r” or
“Accessories (Option)”.
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1. Before Using the Product
Support Software
You should use CONTEC support software according to your purpose and development environment.
Driver Library
API-PAC(W32) is the library software that provides the commands for CONTEC hardware products in the form of
Windows standard W in32 API functions (DLL). It makes it easy to create high-speed application software taking
advantage of the CONTEC hardware using various programming languages that support Win32 API functions, such as
Visual Basic and Visual C/C++.
It can also be used by the installed diagnosis program to check hardware operations.
CONTEC provides download services to supply the updated drivers and differential files.
For details, read Help on the bundled CD-ROM or visit the CONTEC’s Web site.
< Operating environment >
OS Windows XP, 2000, NT, Me, 98, etc..
Adaptation language Visual C/C++, Visual Basic, Delphi, Builder, etc..
Others Each piece of library software requires 50 megabytes of free hard disk space.
API-PAC(W32)
Linux version of analog I/O driver
CD-ROM)
This driver is used to control CONTEC analog I/O boards (PC Cards) from within Linux.
You can control CONTEC I/O boards easily using the shared library used by gcc and Kylix, the device driver (module)
for each kernel version, and the board (PC Card) configuration program (config).
CONTEC provides download services to supply the updated drivers and differential files.
For details, read Help on the bundled CD-ROM or visit the CONTEC’s Web site.
< Operating environment >
OS RedHatLinux, TurboLinux, etc..
(For details on supported distributions, refer to Help available after installation .)
Adaptation language gcc, Kylix, etc..
Others Requires 3 megabytes of free hard disk space.
Base package of ActiveX components for measurement system development
ACX-PAC(W32)BP
This is a set of useful Windows development tools for measurement systems and consists of a softwa re component
library with ready-to-use samples which you can combine for easy programming.
The package contains components for controlling CONTEC I/O boards (PC Cards). Features include interface
control for analog I/O, digital I/O, GPIB communications, and counter inputs, as well as X-Y plotting and file storage
support.
Check the CONTEC’s Web si te for more information on this soft.
(Option)
(Bundled)
API-AIO(LNX)
(Supplied: Stored on the API-PAC(W32)
Advanced package of ActiveX components for measurement system development
ACX-PAC(W32)AP
Complements the ACX-PAC(W32)BP functions with additional components including graphics ( plotting, switches,
and lamps, etc.) and mathematical and analysis tools.
Check the CONTEC’s Web si te for more information on this soft.
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(Option)
AD12-16(PCI)E, AD12-16U(PCI)E, AD16-16(PCI)E
1. Before Using the Product
Cable & Connector (Option)
Flat Cable with One 37-pin D-Type Connector : PCA37P-1.5 (1.5m)
Shielded Cable with One 37-pin D-Type Connector : PCA37PS-0.5P (0.5m)
: PCA37PS-1.5P (1.5m)
Shielded Cable with Two 37-pin D-Type Connectors : PCB37PS-0.5P (0.5m)
: PCB37PS-1.5P (1.5m)
Flat Cable with One 15-pin D-Type Connector : PCA15P-1.5 (1.5m)
Flat Cable with Two 15-pin D-Type Connectors : PCB15P-1.5 (1.5m)*1
Coaxial Cable for Single-ended Inputs (16 channels) : PCC16PS-1.5 (1.5m)
: PCC16PS-3 (3m)
2 Wires Shielded Cable for Differential Inputs (8 channels) : PCD8PS-1.5 (1.5m)
: PCD8PS-3 (3m)
Flat Cable with 1 Sided 16-Pin Header Connector (1.5m) : DT/E1
Conversion Cable (16Pin to 15Pin) with Bracket : DT/E2
*1 For FTP-15 only
Accessories (Option)
Termination panel with Screw Terminals for Spade Lugs : DTP-3(PC)
Termination panel with Screw Terminals : DTP-4(PC)
Termination panel with BNC connectors for Analog Multi-function Boards : ATP-16 *2
Termination panel for Digital I/O on Analog Multi-function Boards : FTP-15 *3
Screw Terminal : EPD-37A *2
Screw Terminal : EPD-37 *2
16 Channel Simultaneous Sample & Hold Accessory : ATSS-16 *2
8ch-Isolation Accessory Board for Analog Inputs : ATII-8A *2
Low pass filter expansion board : ATLF-8 *2
16CH Multiplexer Sub-Board : ATCH-16(PCI)
<When using
the AD12-16(PCI)E,
AD16-16(PCI)E>
16CH Multiplexer Sub-Board : ATUH-16(PCI)
<When using
the AD12-16U(PCI)E>
*2 A PCB37PS -*P optional cable is required separately. (0.5m is recommended.)
*3 A DT/E2 and PCB15P-1.5 optional cable is required separately.
* Check the CONTEC’s Web site for more information on these options.
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1. Before Using the Product
Customer Support
CONTEC provides the following support services for you to use CONTEC products more efficiently
and comfortably.
Web Site
Japanese http://www.contec.co.jp/
English http://www.contec.com/
Chinese http://www.contec.com.cn/
Latest product information
CONTEC provides up-to-date information on products.
CONTEC also provides product manuals and various technical documents in the PDF.
Free download
You can download updated driver software and differential files as well as sample programs available in
several languages.
Note! For product information
Contact your retailer if you have any technical question about a CONTEC product or need its price,
delivery time, or estimate information.
Limited Three-Years Warranty
CONTEC Interface products are warranted by CONTEC CO., LTD. to be free from defects in material
and workmanship for up to three years from the date of purchase by the original purchaser.
Repair will be free of charge only when this device is returned freight prepaid with a copy of the
original invoice and a Return Merchandise Authorization to the distributor or the CONTEC group office,
from which it was purchased.
This warranty is not applicable for scratches or normal wear, but only for the electronic circuitry and
original products. The warranty is not applicable if the device has been tampered with or damaged
through abuse, mistreatment, neglect, or unreasonable use, or if the original invoice is not included, in
which case repairs will be considered beyond the warranty policy.
How to Obtain Service
For replacement or repair, return the device freight prepaid, with a copy of the original invoice. Please
obtain a Return Merchandise Authorization number (RMA) from the CONTEC group office where you
purchased before returning any product.
* No product will be accepted by CONTEC group without the RMA number.
Liability
The obligation of the warrantor is solely to repair or replace the product. In no event will the warrantor
be liable for any incidental or consequential damages due to such defect or consequences that arise from
inexperienced usage, misuse, or malfunction of this device.
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1. Before Using the Product
Safety Precautions
Understand the following definitions and precautions to use the product safely.
Safety Information
This document provides safety information using the following symbols to prevent accidents resulting in
injury or death and the destruction of equipment and resources. Understand the meanings of these
labels to operate the equipment safely.
DANGER
WARNING
CAUTION
DANGER indicates an imminently hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury or in property damage.
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1. Before Using the Product
Handling Precautions
DANGER
Do not use the product where it is exposed to flammable or corrosive gas. Doing so may result in
an explosion, fire, electric shock, or failure.
CAUTION
- There are switches and jumpers on the board that need to be set in advance.
Be sure to check these before installing to the expansion slot.
- Only set the switches and jumpers on the board to the specified settings.
Otherwise, the board may malfunction, overheat, or cause a failure.
- Do not strike or bend the board.
Otherwise, the board may malfunction, overheat, cause a failure or breakage.
- Do not touch the board's metal plated terminals (edge connector) with your hands.
Otherwise, the board may malfunction, overheat, or cause a failure.
If the terminals are touched by someone's hands, clean the terminals with industrial alcohol.
- Do not install or remove the board to or from the expansion slot while the computer's power or
expansion unit is turned on.
Otherwise, the board may malfunction, overheat, or cause a failure.
Be sure that the personal computer power is turned off.
- Make sure that your PC or expansion unit can supply ample power to all the boards installed.
Insufficiently energized boards could malfunction, overheat, or cause a failure.
- The specifications of this product are subject to change without notice for enhancement and quality
improvement.
Even when using the product continuously, be sure to read the user’s guide and understand the
contents.
- Do not modify the product. CONTEC will bear no responsibility for any problems, etc., resulting
from modifying this product.
- Regardless of the foregoing statements, CONTEC is not liable for any damages whatsoever
(including damages for loss of business profits) arising out of the use or inability to use this
CONTEC product or the information contained herein.
6
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1. Before Using the Product
Environment
Use this product in the following environment. If used in an un authorized environ ment, the board may
overheat, malfunction, or cause a failure.
Operating temperature
0 to 50°C
Operating humidity
10 to 90%RH (No condensation)
Corrosive gases
None
Floating dust particles
Not to be excessive
Inspection
Inspect the product periodically as follows to use it safely.
- Check that the bus connector
of the board and its cable have
been plugged correctly.
- Check that the board has
no dust or foreign matter adhering.
- The gold-plated leads of the bus connector
have no stain or corrosion.
Storage
When storing this product, keep it in its original packing form.
(1) Put the board in the storage bag.
(2) Wrap it in the packing material, then put it in the box.
(3) Store the package at room temperature at a place free from direct sunlight, moisture, shock,
vibration, magnetism, and static electricity.
Disposal
When disposing of the product, follow the disposal procedures stipulated under the relevant laws and
municipal ordinances.
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7
1. Before Using the Product
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2. Setup
2. Setup
This chapter explains how to set up the board.
What is Setup?
Setup means a series of steps to take before the product can be used.
Different steps are required for software and hardware.
The setup procedure varies with the OS and software used.
Using the Board under Windows
Using the Driver Library API-PAC(W32)
This section describes the setup procedure to be performed before you can start developing application
programs for the board using the bundled CD-ROM “Driver Library API-PAC(W32)”.
Taking the following steps sets up the software and hardware. You can use the diagnosis program later
to check whether the software and hardware function normally.
Step 1 Installing the Software
Step 2 Setting the Hardware
Step 3 Installing the Hardware
Step 4 Initializing the Software
Step 5 Checking Operations with the Diagnosis Program
If Setup fails to be performed normally, see the “Setup Troubleshooting” section at the end of this
chapter.
Using the Board under Windows
Using Software Other than the Driver Library
API-PAC(W32)
For setting up software other than API-PAC(W32), refer to the user’s guide for that software. See also
the following parts of this user’s guide as required.
This chapter Step 2 Setting the Hardware
This chapter Step 3 Installing the Hardware
Chapter 3 External Connection
Chapter 6 About Hardware
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9
2. Setup
Using the Board under an OS Other than Windows
For using the board under an OS other than Windows, see the following parts of this user’s guide.
This chapter Step 2 Setting the Hardware
Chapter 3 External Connection
Chapter 6 About Hardware
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2. Setup
Step 1 Installing the Software
This section describes how to install the Driver libraries.
Before installing the hardware on your PC, install the Driver libraries from the bundled
API-PAC(W32) CD-ROM.
The following description assumes the operating system as Windows Me. Although some user
interfaces are different depending on the OS used, the basic procedure is the same.
About the driver to be used
Two analog I/O drivers are available: API-AIO(WDM) and API-AIO(98/PC)W95/NT.
API-AIO(WDM) is a new driver to perform analog input/output under Windows.
API-AIO(WDM) was developed to improve the conventional product version of API-AIO(98/PC) in the
ease of use and functionality.
It is advisable to use API-AIO(WDM) for you to use an analog I/O device. API-AIO(WDM) will
support new OSs and devices in the future but will not support Windows NT 4.0, Windows 95, ISA bus,
or C-bus.
Use API-AIO(98/PC) if your operating environment contains such an unsupported piece of software or
hardware.
Check the following selection guide to easily select the driver to be used.
OS to be used
Windows XP/Win dows 20 00
Windows Me/98
Windows 95/Windows NT4.0
Device type
PCI bus, PC Card
Is the first use of the analog board?
Yes
Usable language
VC6.5, VB6.5, Delphi,
C++Builder
API-AIO(WDM)
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ISA bus, C(98)bus
No (Already in use)
Is the upgrade of existing system
using API-AIO(98/PC)W 95/NT?
No
VC4, VC2, VB4
Yes
API-AIO(98/PC)W95, NT
11
2. Setup
Starting the Install Program
(1)
Load the CD-ROM [API-PAC(W32)] on your PC.
(2)
The API-PAC(W32) Installer window appears automatically.
If the panel does not appear, run (CD-ROM drive letter):\AUTORUN.exe.
(3)
Click on the [Install the drivers] button.
CAUTION
Before installing the software in Windows XP, 2000, or NT, log in as a user with administrator
privileges.
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Select API-AIO(WDM)
Selecting API-AIO(WDM)
(1)
The following dialog box appears to select “Driver Type” and “Install Type”.
(2)
Select the "High Functionality WDM Analog I/O driver".
(3)
Click on the [Install] button.
2. Setup
* Clicking the [Details] button displays detailed information about API-AIO(WDM) and
API-AIO(98/PC).
Run the installation
(1)
Complete the installation by following the instructions on the screen.
(2)
The Readme file appears when the installation is complete.
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2. Setup
Select API-AIO(98/PC)
Selecting API-AIO(98/PC)
(1)
The following dialog box appears to select “Driver Type” and “Install Type”.
(2)
Select “Analog I/O API-AIO(98/PC)W95”.
(3)
Select “Driver, Help, etc..(Full Install)”.
(4)
Click on the [Install] button.
* Clicking on the [Details …] button displays detailed information on API-AIO(WDM),
API-AIO(98/PC).
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Executing the Installation
(1)
Follow the on-screen instructions to proceed to install.
(2) When the required files have been copied, the “Perform a hardware setup now(API-TOOL
Configuration)” and “Show readme file” check boxes are displayed.
When you are installing the software or hardware for the first time:
1) Uncheck “Perform a hardware setup now”.
2) Click on the [Finish] button.
Go to Step 2 to set and plug the hardware.
* When the hardware has already been installed:
Check “Perform a hardware setup now(API-TOOL Configuration)”, then go to Step 4
“Initializing the Software”.
2. Setup
You have now finished installing the software.
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2. Setup
Step 2 Setting the Hardware
This section describes how to set the board and plug it on your PC.
The board has some switches and jumper to be preset.
Check the on-board switches and jumpers before plugging the board into an expansion slot.
The board can be set up even with the factory defaults untouched. You can change board settings later.
Parts of the Board and Factory Defaults
Figure 2.1. to Figure 2.3. show the names of major parts on the board.
Part Names < AD12-16(PCI)E >
Analog output
control trimmers
Jumper for setting
Onput Range
123
JP10
JP11
123
CN1 Analog Signal
I/O Conector
CN2 Digital and Control
Signal I/O Connector
CN3 Channel Expanding
Unit Connector
Jumper for setting
Input Range
123
JP7
JP8
JP9
123
Jumper for Input
Mode Setting
123
JP4
JP5
JP6
123
Analog input
control trimmers
VR3 VR2 VR1VR6 VR5 VR4
Jumper for
counter Setting
123
JP1
JP2
JP3
123
SW for setting board ID
SW1
BOARD ID
9
7
A
6
B
5
C
4
D
3
E
2
F
1
0
Jumper for interrupt
signal resource setting
JP12
INT
123
NOT
USE
USE
Figure 2.1. Part Names
Note that the switch and jumper setting shown below is the factory default.
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Part Names < AD12-16U(PCI)E >
2. Setup
Jumper for setting
Input Range
123
JP7
JP8
123
Jumper for Input
Mode Setting
JP4
JP5
JP6
CN1 Analog Signal
I/O Conector
CN2 Digital and Control
Signal I/O Connector
CN3 Channel Expanding
Unit Connector
JP9
JP10
123
123
123
123
Jumper for
counter Setting
JP1
JP2
JP3
Analog
intput
control
trimmers
VR1 VR2
123
123
Analog intput
control trimmers
Jumper for setting
Onput Range
123
JP11
JP12
123
Jumper for interrupt
signal resource setting
JP13
INT
123
NOT
USE
USE
Analog outtput
control trimmers
VR5 VR6 VR7VR3 VR4 VR8 VR9
SW for setting
board ID
SW1
BOARD ID
9
7
A
6
B
5
4
3
E
2
F
1
0
C
D
Figure 2.2. Part Names
Note that the switch and jumper setting shown below is the factory default.
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2. Setup
Part Names < AD16-16(PCI)E >
Jumper for se tting
Analog output
control trimmers
VR7 VR6
Analog int pu t
control trimmers
VR11 VR10 VR9 VR8
CN1 Analog Signal
I/O Conector
CN2 Digital and Control
Signal I/O Connector
CN3 Channel Expanding
Unit Connector
VR5 VR4
Input Range
JP7
JP11
JP10
123
123
JP8
JP9
123
123
Analog intput
control trimmers
VR3 VR2 VR1
SW for setting
board ID
SW1
BOARD I D
9
7
A
6
B
5
C
4
D
3
E
2
F
1
0
Jumper for Input
Mode Setting
123
JP4
JP5
JP6
123
Jumper for setting
Onput Range
123
JP12
JP13
JP14
JP15
123
Jumper for
counter Setting
123
JP1
JP2
JP3
123
Jumper fo r in te r r upt
signal resource setting
JP16
INT
123
NOT
USE
USE
Figure 2.3. Part Names
Note that the switch and jumper setting shown below is the factory default.
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2. Setup
Setting the Board ID
If you install two or more boards on one personal computer, assign a different ID value to each of the
boards to distinguish them.
The board IDs can be set from 0 to Fh to identify up to sixteen boards.
If only one board is used, the original factory setting (Board ID = 0) should be used.
Setting Procedure
To set the board ID, use the rotary switch on the board. Turn the SW1 knob to set the board ID as
shown below.
SW1
BOARD ID
9
A
7
B
6
C
5
D
4
E
3
2
F
Factory setting:
1
0
(Board ID = 0)
Figure 2.4. Board ID Settings (SW1)
Setting the interrupt signal resource
If you set up the board not to use interrupts, you can make your PC recognize the board as using no
interrupts to save the PC's interrupt signal resources.
Setup method
If using the interrupt
JP12 [AD12-16(PCI)E]
JP13 [AD12-16U(PCI)E]
JP16 [AD16-16(PCI)E]
INT
USE NOT USE
123
If not using the interrupt
JP12 [AD12-16(PCI)E]
JP13 [AD12-16U(PCI)E]
JP16 [AD16-16(PCI)E]
INT
USE NOT USE
123
Figure 2.5. Setting the interrupt signal resource
When the board uses interrupts, it is assigned an interrupt level by the PC.
CAUTION
API-AIO(WDM) is designed to use interrupts. Set the jumper to use interrupts.
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2. Setup
Setting the Analog Input
The analog input is set by specifying the input mode and input range.
For the input mode setting function, see Chapter 4 “Functions”.
Setting the Input Mode
The input mode is the method of connecting analo g in put s i gn als. The single-ended and differential
input modes are available.
The jumper settings for these modes are common to the AD12-16(PCI)E, AD12-16U(PCI)E
and AD16-16(PCI)E.
Use JP4 to JP6 to set the desired input mode.
Single-Ended Input
JP4
123
JP5
123
JP6
123
Differential Input
JP4
123
JP5
123
JP6
123
Figure 2.6. Setting the Input Mode
CAUTION
Do not set the jumpers to any strapping pattern other than those specified above. Doing so can
result in a fault in the board.
Setting the Input Range
The input range indicates the range of voltages of analog input signals.
The board converts the voltages in the preset input range into digital signals according to the resolution.
The input range is common to all channels; it is not possible to set a different input range for each
channel. Figures 2.7, 2.8 and 2.9 illustrates the jumper settings on each board.
Set the input range using both of jumpers and software.
Bipolar -10V to +10V
-5V to +5V
-2.5V to +2.5V
-1.25V to +1.25V
JP7
123
JP8
123
JP9
123
Unipolar 0V to +10V
0V to +5V
0V to +2.5V
0V to +1.25V
JP7
123
JP8
123
JP9
123
Figure 2.7. Setting the Input Range < AD12-16(PCI)E >
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2. Setup
Bipolar -5V to +5V
JP7
123
JP8
123
Unipolar 0V to +10V
JP7
123
JP8
123
JP9
JP10
JP9
JP10
123
123
123
123
Bipolar -2.5V to +2.5V
JP7
123
JP8
123
Unipolar 0V to +5V
JP7
123
JP8
123
JP9
JP10
JP9
JP10
123
123
123
123
Figure 2.8. Setting the Input Range < AD12-16U(PCI)E >
Bipolar -10V to +10V
JP7
123
JP11
123
JP10
123
Unipolar 0V to +10V
JP7
123
JP11
123
JP10
123
JP9
JP9
JP8
123
JP8
123
123
123
Bipolar -5V to +5V
JP7
123
JP11
123
JP10
123
Unipolar 0V to +5V
JP7
123
JP11
123
JP10
123
JP9
JP9
JP8
123
JP8
123
123
123
Figure 2.9. Setting the Input Range < AD16-16(PCI)E >
CAUTION
Do not set the jumpers to any strapping pattern other than those specified above. Doing so can
result in a fault in the board.
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2. Setup
Setting the Analog Output
The analog output is set by specifying the output range.
The output range indicates the range of voltages of analog output signals.
The board converts digital signals into voltages in the preset output range according to the resolution.
Figures 2.10, 2.11 and 2.12 illustrates the jumper settings on each board.
Bipolar -10V to +10V
JP10
123
JP11
123
Bipolar -5V to +5V
JP10
123
JP11
123
Unipolar 0V to +10V
JP10
123
JP11
123
Figure 2.10. Setting the Output Range < AD12-16(PCI)E >
Bipolar -10V to +10V
JP11
123
JP12
123
Bipolar -5V to +5V
JP11
123
JP12
123
Unipolar 0V to +10V
JP11
123
JP12
123
Figure 2.11. Setting the Output Range < AD12-16U(PCI)E >
Bipolar -10V to +10V
JP12
123
JP13
123
JP14
123
JP15
123
Unipolar 0V to +10V
JP12
123
JP13
123
JP14
123
JP15
123
Figure 2.12. Setting the Output Range < AD16-16(PCI)E >
CAUTION
Do not set the jumpers to any strapping pattern other than those specified above. Doing so can
result in a fault in the board.
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2. Setup
Setting the Counter Control and Digital I/O Signals
The board has a component equivalent to the i8254, which contains three 16-bit counters. You can set
the connections of counter control signals (counter output signal, gate signal, and clock input signal).
Some of the counter control signals and digital I/O signals are shared, which are set altogether.
For the digital input, digital output, and counter functions, see Chapter 4 “Functions”.
JP1
JP1
Digital output signal Digital Output 3
123
Counter output CNT Output
123
Figure 2.13. Settings the Signals to Be Connected to CN2[10pin] Digital Output3 and
CNT Output
JP2
JP2
Internal signal 8254Gate
123
External signal CN2[4] Digital Input 1 / CNT Gate
123
Figure 2.14. Settings the Signals to Be Connected to gate of COUNTER1/COUNTER2
JP3
JP3
COUNTER0 output signal
123
External signal CN2[12] Digital Input 2 / CNT Clock
123
Figure 2.15. Settings the Signals to Be Connected to Clock of COUNTER1
CAUTION
- External signals for counter control must be TTL-level signals.
- CNTCLK and CNTGATE serve also as DI2 and DI1, respectively.
- Only one of the CNTOUT and DO3, which is selected by JP1, is output from CN2.
- API-AIO(WDM) does not support the counter functions. Leave the jumpers factory-set.
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2. Setup
Plugging the Board
(1) Before plugging the board, shut down the system, unplug the power code of your PC.
(2) Remove the cover from the PC so that the board can be mounted.
(3) Plug the board into an expansion slot.
(4) Attach the board bracket to the PC with a screw.
(5) Put the cover back into place.
CAUTION
- Do not touch the board's metal plated terminals (edge connector) with your hands.
Otherwise, the board may malfunction, overheat, or cause a failure.
If the terminals are touched by someone's hands, clean the terminals with industrial alcohol.
- Do not install or remove the board to or from the slot while the computer's power is turned on.
Otherwise, the board may malfunction, overheat, or cause a failure.
Doing so could cause trouble. Be sure that the personal computer or the I/O expansion unit power is
turned off.
- Make sure that your PC or expansion unit can supply ample power to all the boards installed.
Insufficiently energized boards could malfunction, overheat, or cause a failure.
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2. Setup
Step 3 Installing the Hardware
For using an expansion board under Windows, you have to let the OS detect the I/O addresses and IRQ
to be used by the board. The process is referred to as installing the hardware.
In the case of using two or more boards, make sure you install one by one with the Add New Hardware
Wizard.
Turning on the PC
Turn on the power to your PC.
CAUTION
- The board cannot be properly installed unless the resources (I/O addresses and interrupt level) for
the board can be allocated. Before attempting to install the board, first determine what PC
resources are free to use.
- The resources used by each board do not depend on the location of the PCI bus slot or the board
itself. If you remove two or more boards that have already been installed and then remount one of
them on the computer, it is unknown that which one of the sets of resources previously assigned to
the two boards is assigned to the remounted board. In this case, you must check the resource
settings.
When Using API-AIO(WDM)
(1) The “Add New Hardware Wizard” will be started.
Select “Specify the location of the driver”, then click on the [Next] button.
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2. Setup
(2) Specify that folder on the CD-ROM which contains the setup information (INF) file to register the
board.
Source folder
The setup information (INF) file is contained in the following folder on the bundled CD-ROM.
\INF\WDM\AIO
* The name of the board
you have just added is
displayed.
- AD12-16(PCI)E
- AD12-16U(PCI)E
- AD16-16(PCI)E
\INF\WDM\AIO
You have now finished installing the hardware.
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When Using API-AIO(98/PC)
(1) The “Add New Hardware Wizard” will be started.
Select “Specify the location of the driver”, then click on the [Next] button.
If you are using Windows NT 4.0, the “Add New Hardware Wizard” is not started.
Go to Step 4 “Initializing the Software”.
2. Setup
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2. Setup
(2) Specify that folder on the CD-ROM which contains the setup information (INF) file to register the
board.
* The name of the board
you have just added is
displayed.
- AD12-16(PCI)E
- AD12-16U(PCI)E
- AD16-16(PCI)E
Source folder
The setup information (INF) file is contained in the following folder on the bundled CD-ROM.
Windows XP, 2000 \INF\Win2000\Aio\PCI
Windows Me, 98, 95 \INF\Win95\Aio\PCI
Example of specifying the folder for use under Windows Me
\INF\Win95\Aio\PCI
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2. Setup
CAUTION
In Windows XP, the Hardware Wizard displays the following alert dialog box when you have
located the INF file. This dialog box appears, only indicating that the relevant driver has not
passed Windows Logo testing, and it can be ignored without developing any problem with the
operation of the board.
In this case, click on the [Continue Anyway] button.
You have now finished installing the hardware.
* The name of the board
you have just added is
displayed.
- AD12-16(PCI)E
- AD12-16U(PCI)E
- AD16-16(PCI)E
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2. Setup
(
Step 4 Initializing the Software
The driver library requires the initial setting to recognize the execution environment. It is called the
initialization of the driver library.
When Using API-AIO(WDM)
Setting the device name
(1) Run Device Manager. From [My Computer] - [Control Panel], select [System] and then select the
[Device Manager] tab.
(You can also open Device Manager by right clicking on My Computer and selecting Properties.)
* The name of the board
you have just added is
displayed.
- AD12-16(PCI)E
- AD12-16U(PCI)E
- AD16-16
PCI)E
(2) The installed hardware appears under the CONTEC Devices node. Open the CONTEC Devices
node and select the device you want to setup (the device name should appear highlighted). Click
[Properties].
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2. Setup
(3) The property page for the device opens.
Enter the device name in the common settings tab page and then click [OK].
The device name you set here is used later when programming.
* The initial device name that appears is a default value. You can use this default name if you wish.
* Make sure that you do not use the same name for more than one device.
You have now finished installing the initial setting of Software.
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2. Setup
Wh e n U s i ng API-AIO(98/PC)
Invoking API-TOOL Configuration
(1) Open the Start Menu, then select “Programs” – “CONTEC API-PAC(W32)” – “API-TOOL
Configuration”.
(2) API-TOOL Configuration detects boards automatically.
The detected boards are listed.
Updating the Settings
(1) Select “Save setting to registry…” from the “File” menu.
You have now finished installing the initial setting of Software.
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2. Setup
Step 5 Checking Operations with the Diagnosis
Program
Use the diagnosis program to check that the board and driver software work normally, thereby you can
confirm that they have been set up correctly.
What is the Diagnosis Program?
The diagnosis program diagnoses the states of the board and driver software.
It can also be used as a simple checker when an external device is actually connected.
Using the “Diagnosis Report” feature reports the driver settings, the presence or absence of the board,
I/O status, and interrupt status.
Check Method
To check analog I/O data, connect the signal.
The diagrams below show examples of using channel 0 on the AD12-16(PCI)E. For details on the
connections, see Chapter 3 “External Connection”. Check the board with the factory defaults
untouched.
Wiring Diagram
<Analog input>
- Single-Ended Input
Board
CH0
(CN1)1pin
Analog Ground
(CN1)20pin
Signal source
(e.g.Battery etc .)
- Differential Input
Board
CH0+
(CN1)1pin
(CN1)2pin
CH0-
Analog Ground
(CN1)20pin
Signal source
(e.g.Battery etc.)
CAUTION
- To check the analog input in differential input mode, set the jumpers to change the input mode setting
in advance. For details, see “Setting the Analog Input” in this chapter.
- Input data remains indeterminate when no input pin is connected. The input pin for the channel
not connected to the signal source must be connected to the analog ground. For details, see
“Chapter 3 External Connection”.
<Analog output>
Board
CH0
(CN1)17pin
e.g.Tester
Analog Ground
(CN1)20pin
Figure 2.16. Wiring Diagram
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2. Setup
Using the Diagnosis Program for Use of API-AIO(WDM)
Starting the Diagnosis Program
Click the [Diagnosis] button on the device property page to start the diagnosis program.
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Analog input
You can select the desired input channel, input mode and input range from the lists.
Input data is plotted on a graph.
Analog output
You can select the desired output channel and output range from the lists.
You can set the output data to DC (constant voltage), sine wave, or square wave.
2. Setup
Digital input / output
The upper row of circular lamps indicates the digital input states. Red indicates the bit is ON and
brown indicates OFF.
Clicking the lower row of switches turns the digital output bits ON or OFF.
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2. Setup
(
Diagnosis Report
(1) The diagnosis report saves detailed data, including the device settings and settings for each channel,
to a text file and displays the file for you to view.
Clicking [Diagnosis Report] prompts you to specify where to save the report text file.
* The name of the board
you have just added is
displayed.
- AD12-16(PCI)E
- AD12-16U(PCI)E
- AD16-16
PCI)E
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2. Setup
(2) The diagnosis report contains the following data.
- Version of OS
- Device Information
- File Information
- Diagnosis results for each I/O channel
Execution time measurement
Clicking [Execution Time Measurement] runs the program to measure API function execution speed.
The operation of this program is explained in "API function Execution Speed Measurement Program" in
Chapter 5.
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2. Setup
Using the Diagnosis Program for Use of API-AIO(98/PC)
Starting the Diagnosis Program
After selecting the board in [API-TOOL Configuration], run the diagnosis program. Follow the on-
screen instructions.
* The name of the board
you have just added is
displayed.
- AD12-16(PCI)E
- AD12-16U(PCI)E
- AD16-16(PCI)E
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Checking the Analog Input/Output
Analog input
You can select the input channel and input range from the lists.
Input data is plotted on a graph.
2. Setup
Analog output
You can select the desired output channel and output range from the lists.
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2. Setup
Diagnosis Report
(1) Clicking on the [Report] button displays detailed data such as a board, channel settings and the
diagnosis results while saving them in text format.
The results are saved and displayed as a text file (AioRep.txt) in the install folder
(CONTEC/CONTECW95).
The Diagnosis Program performs “board presence/absence check”, “interrupt test”, “driver file
test”, “board setting test”, and so on.
Click on [Report].
(2) A diagnosis report is displayed as shown below.
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2. Setup
Setup Troubleshooting
Symptoms and Actions
The board cannot be initialized. [Windows NT4.0]
The driver may not yet be activated. When your PC is running under Windows NT 4.0, set the PnP OS
option in the BIOS Setup menu to “NO”.
For details on BIOS settings, refer to the user’s guide for your PC.
The board cannot input or output data normally
- Run the Diagnosis Program to check whether the board has been registered correctly and whether
any initialization error has occurred.
- Check the settings and connections of the board. Also check the input and output ranges. When
your board uses jumpers to set the input/output ranges, correct data cannot be obtained unless the
ranges have been adjusted. When no connection has been made, input data remains indeterminate.
The channel to be used must be wired. The channels not to be used must be connected to the
analog ground.
- If there is no appropriate signal source available at voltage input, either connect a cell or connect
the channel to the analog ground to check for 0V.
The board works with the Diagnosis Program but not with an application.
The Diagnosis Program is coded with API-TOOL functions. As long as the board operates with the
Diagnosis Program, it is to operate with other applications as well. In such cases, review your program
while paying attention to the following points:
- Check the return values of functions.
- Check the Driver No. and Board No.
The OS won't normally get started or detect the board. [Windows 2000]
Turn off the power to your PC, then unplug the board. Restart the OS and delete the board settings of
API-TOOL Configuration. Turn off the PC again, plug the board, and restart the OS. Let the OS detect
the board and use API-TOOL Configuration to register board settings.
If your problem cannot be resolved
Refer to the troubleshooting section of API-AIO HELP. If there is n o answer in it, please contact your
retailer.
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41
2. Setup
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3. External Connection
3. External Connection
This chapter describes the interface connectors on the board and the external I/O circuits.
Check the information available here when connecting an external device.
Using the On-board Connectors
Connecting a Device to a Connector
To connect an external device to this board, plug the cable from the device into the interface connector
(CN1, CN2) shown below.
The board has two interface connectors: the analog I/O connector (CN1: 37-pin female D-SUB
connector) and the control signal connector (CN2: 16-pin pin-header) for digital input/output and
counter control.
Interface connector(CN1)
- Connec tor used
19
A 37pin D-SUB connector[F(female)type]
DCLC-J37SAF-20L9 [mfd.by JAE]equivalent
- Applicable connector
17JE-23370-02(D8C) [mfd by DDK, M(male)type]
1
CN1
A8B8
- Applicable connector
PS-16SEN-D4P1-1C [mfd.by JAE]
CN2
A1B1
Interface connector(CN3)
Interface connector(CN2)
It is the connector (CN3) for ATCH-16(PCI)
or ATUH-16(PCI)
37
20
Figure 3.1. Interface Connectors and Mating Connectors
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3. External Connection
16CH Multiplexer Sub-Boar d
ATCH-16(PCI)
ATUH-16(PCI)
* An external powe r supply
is required to use a combination
of channel expansion and extension
boards.
Analog E Series
Digital I/O Cable
DT/E1
Digital I/O Cable
DT/E2
Option
Cable
PCB37PS *1
Option
Cable
PCC16PS
PCD8PS
PCA37PS
PCA37P
Option
Cable
PCA15P
Option
Cable
PCB15P
Relay terminal stand
Screw Terminal
EPD-37A, EPD-37
For Solder Terminal
DTP-3(PC)
*1-m shielded cable bundled
For leads
DTP-4(PC)
*1-m shielded cable bundled
For BNC connector
ATP-16
Extended functional
board
Isolated f unctio nal
extension
ATII-8A
Extended functional
board
16 Channel
Simultaneous Sample
ATSS-16
Low path filter
extension board
ATLF-8
Relay terminal stand
Multi-function board
FTP-15
The accessory with this mark can
be mounted on a DIN rail by using
DIN-ADP1.
*1 : PCB37PS-0.5P is
recommended.
Extended functional
Option
Cable
PCB37PS *1
Option
Cable
PCB37PS *1
Option
Cable
PCA37PS
PCA37P
board
Isolated functional
extension
ATII-8A
Relay terminal stand
Screw Terminal
EPD-37A, EPD-37
For Solder Terminal
DTP-3(PC)
*1-m shielded
cable bundled
For leads
DTP-4(PC)
*1-m shielded
cable bundled
For BNC connector
ATP-16
Figure 3.2. Examples of Connecting Options
44
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Connector Pin Assignment
Pin Assignment of CN1
<Single -Ended Input> <Differential Input>
CN1
19
+5V DC from PC
Digital Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
37
18
Simultaneous Hold Output
36
17
Analog Output
35
16
Analog Input 15
34
15
Analog Input 7
33
14
Analog Input 14
32
13
Analog Input 6
31
12
Analog Input 13
30
11
Analog Input 5
29
10
Analog Input 12
28
9
Analog Input 4
27
8
Analog Input 11
26
7
Analog Input 3
25
6
Analog Input 10
24
5
Analog Input 2
23
4
Analog Input 9
22
3
Analog Input 1
21
2
Analog Input 8
20
1
Analog Input 0
Digital Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
Analog Ground
CN1
19
+5V DC from PC
37
18
Simultaneous Hold Output
36
17
Analog Outp u t
35
16
Analog Input 7 [
34
15
Analog Input 7 [+]
33
14
Analog Input 6 [
32
13
Analog Input 6 [+]
31
12
Analog Input 5 [
30
11
Analog Input 5 [+]
29
10
Analog Input 4 [
28
9
Analog Input 4 [+]
27
8
Analog Input 3 [
26
7
Analog Input 3 [+]
25
6
Analog Input 2 [
24
5
Analog Input 2 [+]
23
4
Analog Input 1 [
22
3
Analog Input 1 [+]
21
2
Analog Input 0 [
20
1
Analog Input 0 [+]
3. External Connection
-
]
-
]
-
]
-
]
-
]
-
]
-
]
-
]
Analog Input0 to Analog Inpu t1 5 Analog input signal at the ti m e of Single-Ended Input.
Analog Input0[+] to
Analog Input15[+]
Analog Input0[-] to
Analog Input15[-]
Analog Output Analog output signal.
Analog Ground Common analog ground for analog I/O signals.
Simultaneous Hold Output Control signal for simultaneous sampling unit ATSS-16 available as
+5V DC from PC Output +5V. Supportable current is 3A.
Digital Ground Common digital ground for “Si m u l ta n eou s Hol d O ut p ut” a nd
The numbers correspond to channel numbers.
Analog input signal at the tim e of Di ffe re nti al I npu t.
The numbers correspond to channel numbers.
Analog input signal at the tim e of Di ffe re nti al I npu t.
The numbers correspond to channel numbers
an option.
“+5V DC from PC”.
Figure 3.3. Pin Assignment of CN1
CAUTION
Do not connect any of the outputs and power outputs to the analog or digital ground.
Neither connect outputs to each other. Doing either can result in a fault.
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3. External Connection
Pin Assignment of CN2
CN2
A8
B8
N. C.
External Sampling Clock Input
External Start Trigger Input
Digital Input 2 / CNT Clock
Digital Output 3 / CNT Output
Digital Input0 Digital input signal.
Digital Input1/CNT Gate Digital input signal. Common for Gate control input signal for counter.
Digital Input2/CNT Clock Digital input signal. Common for counter clock input signal.
Digital Input3/INT Trigger Digital input signal. Common for interrupt trigger input signal.
Digital Output0 to Digital Out 2 Digital output signal.
Digital Output3 to CNT Output
External Start Trigger Input External trigger input signal for starting sampling.
External Stop Trigger Input External trigger input signal for stopping sampling.
External Sampling Clock Input External sampling clock input
Sampling Clock Output Sampling clock output signal
+5V DC from PC Output +5V. Supportable current is 1A.
Digital Ground Common digital ground for each signal and “+5V DC from PC”.
N.C. No connection to this pin.
Digital Grou nd
Digital Input 0
Digital Outpu t 1
B7
B6
B5
B4
B3
B2
B1
+5V DC from PC
A7
Sampling Clock Output
A6
External Stop Trig ger Input
A5
Digital Input 3 / INT Trigger
A4
Digital Input 1 / CNT Gate
A3
Digital Grou nd
A2
Digital Outp ut 2
A1
Digital Outp ut 0
Digital output signal.
Capable of being jumper-switched to serve as the counter output signal.
Figure 3.4. Pin Assignment of CN2
CAUTION
Do not connect any of the outputs and power outputs to the analog or digital ground.
Neither connect outputs to each other. Doing either can result in a fault.
46
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3. External Connection
Analog Input Signal Connection
The procedure for connecting analog signals depends on whether the analog input signals are singleended or differential. The sections below describe how to connect the signals using flat cable and
shielded cable.
Single-ended Input
The following figure shows an example of optional flat cable (PCA37P) connection.
Connect separate signal and ground wires for each analog input channel on CN1.
BOARD
Analog Input 0..15
Analog Ground
CN1 Cable Signal Source
Figure 3.5. Single-ended Input Connection (Flat Cable)
The following example connects a signal source to the board using a shielded cable such as a coaxial
cable (PCC16PS) available as an option. Use shielded cable if the distance between the signal source
and board is long or if you want to provide better protection from noise. For each analog input channel
on CN1, connect the core wire to the signal line and connect the shielding to ground.
BOARD
Analog Input 0..15
Analog Ground
CN1
Shield cable
Signal Source
Figure 3.6. Single-ended Input Connection (Shield Cable)
CAUTION
- If the signal source contains over 1MHz signals, the signal may effect the cross-talk noise between
channels.
- If the board and the signal source receive noise or the distance between the board and the signal
source is too long, data may not be input properly.
- An input analog signal should not exceed the maximum input voltage (relate to the board analog
ground). If it exceeds the maximum voltage, the board may be damaged.
- Connect all the unused analog input channels to analog ground.
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3. External Connection
Differential Input
The following figure shows an example of optional flat cable (PCA37P) connection.
For each analog input channel on CN1, connect the "+" input to the signal and connect the "-" input to
the signal source ground. Also connect the analog ground on the board to the signal source ground.
BOARD
Analog Input 0[+]..7[+]
Analog Input 0[-]..7[-]
Analog Ground
CN1
Cable Signal Source
Figure 3.7. Differential Input Connection (Flat Cable)
The following example connects a signal source to the board using a shielded cable such as a twoconductor shielded cable (PCD8PS) available as an option. Use shielded cable if the distance between
the signal source and board is long or if you want to provide better protection from noise. For each
analog input channel on CN1, connect the "+" input to the signal and connect the "-" input to the signal
source ground. Also connect the analog ground on the board and the signal source ground to the
shielding.
BOARD
Analog Input 0[+]..7[+]
Analog Input 0[-]..7[-]
Analog Ground
CN1
Shield cable
Signal Source
Figure 3.8. Differential Input Connection (Shield Cable)
CAUTION
- If the signal source contains over 1MHz signals, the signal may effect the cross-talk noise between
channels.
- When the analog ground is not connected, input data comes to be undetermined.
- If the board and the signal source receive noise or the distance between the board and the signal
source is too long, data may not be input properly.
- An input analog signal should not exceed the maximum input voltage (relate to the board analog
ground). If it exceeds the maximum voltage, the board may be damaged.
- Connect all the unused analog input channels to analog ground.
48
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3. External Connection
Analog Output Signal Connection
This section shows how to connect the analog output signal by using a flat cable or a shielded cable.
The following figure shows an example of optional flat cable (PCA37P) connection.
Connect the CN1's analog output and analog ground to the input to the external device and its ground,
respectively.
BOARD
Analog Output
Analog Ground
CN1 Cable Target
Figure 3.9. Analog Output Connection (Flat Cable)
The following figure shows an example of shielded cable connection. Use shielded cable if the
distance between the board and external device is long or if you want to provide better protection from
noise. For the CN1 analog output, connect the core wire to the signal line and connect the shielding to
ground.
BOARD
Analog Output
Analog Ground
CN1
Shield cable
Target
Figure 3.10. Analog Output Connection (Shield Cable)
CAUTION
- If the board or the connected wire receives noise, or the distance between the board and the target is
long, data may not be outputted properly.
- For analog output signal, the current capacity is ±5mA (Max.). Check the specif ication of the
connected device before connecting the board.
- Do not short the analog output signal to analog ground, digital ground, and/or power line. Doing
so may damage the board.
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3. External Connection
Digital I/O signals and Control signals
Connection
The digital I/O signals and the control signals (external trigger input signal, sampling clock output
signal and so on) are interfaced through the connector CN2. User can use an optional flat cable DT/E1
or DT/E2 (with bracket and a 15-pin D-SUB female connector) to connect these signals to your external
devices.
All the digital I/O signals and control signals are TTL level signals.
10kΩ
BOARD
Digital Ground
Figure 3.11. Digital Input Connection
CN2 Cable Target
Input
BOARD
Output
=24mA
I
OL
Digital Ground
CN2 Cable Target
Figure 3.12. Digital Output Connection
CAUTION
Do not short the output signals to analog ground, digital ground, and/or power line. Doing so may
damage the board.
Reference
For the operation timings for control signal input, see ”Timing of External Control Signals” in
Chapter 6 “Hardware”.
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4. Functions
4. Functions
This chapter describes the different functions that can be implemented using the hardware and driver
together. Unless stated otherwise, the driver is assumed to be API-AIO(WDM).
Analog Input Function
The board converts analog signals to digital data according to the resolution and stores it in memory.
You can set a variety of conditions for analog input, including the input channel, sampling period, and
sampling start/stop conditions.
Analog input processes are classified as follows:
1.Setting the Conversion
Condititions
2.Starting/Stopping Operation
3.Monitoring the Status and
Acquiring Data
Resolution
Input Mode
Channel
Range
Memory
Repeat
Start
Stop
Status
Sampling
Repeat
Data acqu i si ti o n
Clock
Start Condition
Stop Condition
Delay
Event
4.Reset
5.Extended function
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Status
Memory
Simultaneous Sampling Control
Channel Expansion
51
4. Functions
1. Setting the Conversion Conditions
First, set the conditions for executing analog input.
Resolution
“Resolution” signifies the number of bits used by an analog input device to represent analog signals.
The higher the resolution, the more finely the voltage range is segmented, allowing the device to convert
analog values to digital equivalents more precisely.
A device with a resolution of 12-bit divides the range width into 4096 segments.
When the device covers the range of 0 to 10V, the minimum unit of converted voltages is
10÷4096=2.44mV.
If the device has a resolution of 16-bit, it is 10÷65536 = 0.153mV instead.
AD12-16(PCI)E : The resolution is 12-bit.
AD12-16U(PCI)E : The resolution is 12-bit.
AD16-16(PCI)E : The resolution is 16-bit.
Input Mode
“Input Mode” indicates the method of connecting analog input signals.
The input modes available are single-ended input and differential input.
The single-ended input mode is suitable for the environment in which the potential difference between
the signal source and ground and noise components can be ignored. For the environment in which they
cannot be ignored, the differential input mode is suitable.
The number of channels available in differential input mode is half that in single-ended input mode.
This board uses on-board jumpers to set the input mode.
Please refer to the “Chapter2 Setup - Setting the Hardware - Setting the Analog Input”.
Channel
“Channel” represents each point of analog input.
For individual channel numbers, see “Using the On-board Connectors” to “Connector Pin Assignment” in
Chapter 3 "External Connection".
You can specify an arbitrary number of points of analog input by setting the channels by means of
software.
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4. Functions
Range
“Range” means the range of voltages at which analog input can be performed.
The input range can be selected by setting the upper and lower input signals.
AD12-16(PCI)E : The range is specified by setting both the jumpers and software.
AD12-16U(PCI)E : The range is specified by setting the jumpers.
AD16-16(PCI)E : The range is specified by setting the jumpers.
Please refer to the “Chapter2 Setup - Setting the Hardware - Setting the Analog Input”.
Memory
Board’s or driver’s input data storage memory is used to enable advanced analog input processing at
high speed. For the memory, the FIFO or ring format can be selected by means of software.
- FIFO format
In the FIFO (First In First Out) format, input data items are read from memory in the same order in
which they were written to the memory. Input data items are fed out of the memory sequentially,
where the oldest one is always read from the memory. The status monitor and application
notification functions are provided, which check and report the state in which the memory has
stored a fixed amount of data or in which the memory has become full.
The FIFO memory is used to obtain all input data from analog input in a short or infinite period of
time.
- Ring format
In the ring format, the memory contains storage areas arranged in a ring. Input data items are
written to the memory sequentially. When it stores data exceeding the limit, it overwrites the area
storing the previous item of input data. The status monitor and application notification functions
are provided, which check and report the state in which data has been written to certain areas of
memory.
The ring memory is used to obtain data where conversion has stopped due to some event, usually
without obtaining data in the normal state.
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4. Functions
Repeat
“Repeat” indicates the number of repetitions of sampling to be executed, from when the sampling start
condition is satisfied until the end of sampling, including delayed sampling.
The number of repetitions is set by means of software, for which conversion is repeated. You can set
an infinite number of repetitions, in which case the conversion is terminated by the software abort
command.
Input data items are stored to the memory sequentially. The repetition state can be subject to status
monitoring and application notification.
This board does not support the Repeat feature when the sampling start condition is "software".
Clock
The sampling clock controls the sampling frequency. You can select both the internal sampling clock and
the external sampling clock. The sampling clock is selected by means of software.
- Internal sampling clock
The clock signal from the on-board clock generator is used.
- External sampling clock
The edge of the digital signal input from an external device is used for the sampling clock.
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4. Functions
Start Condition
The condition for controlling the start of sampling can be selected from among software, input data
comparison and an external trigger. The conditions for controlling the start and stop of sampling are
completely independent of each other; they can be set separately.
-Software
The board starts sampling and storing input data to memory immediately after the operation start
command is issued.
- Input data comparison
When the operation start command is issued, the board compares the analog signal input through a
specified channel to the value of the preset comparison level. If the analog signal satisfies the
condition, the board starts storing input data.
Level comparison conditions are set as two conditions: level and direction.
The above sketch shows that the level comparison condition is satisfied in the rising direction.
The start condition is satisfied when the analog signal at the specified channel passes the
comparison level in the rising direction. Input data items are stored to memory, starting with those
at solid dots.
The above sketch shows that the level comparison condition is satisfied in the falling direction.
The start condition is satisfied when the analog signal at the specified channel passes the
comparison level in the falling direction. Input data items are stored to memory, starting with
those at solid dots.
If you set the level comparison directions to both directions, the start condition is satisfied when the
analog signal passes the level both in the rising and falling directions.
- External trigger
The board starts waiting for an external control signal as soon as the operation start command is
output.
Sampling and data transfer to memory start when the specified edge (rising edge or falling edge) is
input from the external control signal.
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4. Functions
Stop Condition
The condition for controlling the stop of sampling can be selected from among the last sampling count,
input data comparison, an external trigger, and software abort.
The board stops sampling whenever an error occurs irrespective of the stop condition setting.
- Last sampling count
The board stops sampling after storing input data to memory for the specified number of times of
sampling.
- Input data comparison
Once the board has started sampling, it compares the analog signal input through a specified
channel to the value of the preset compariso n level. If the an a log signal satisfies the cond ition, the
board stops sampling.
Level comparison conditions are set as two conditions: level and direction.
The above sketch shows that the level comparison condition is satisfied in the rising direction.
The stop condition is satisfied when the analog signal at the specified channel passes the
comparison level in the rising direction. Input data items are stored to memory, ending until those
at solid dots.
The above sketch shows that the level comparison condition is satisfied in the falling direction.
The stop condition is satisfied when the analog signal at the specified channel passes the
comparison level in the falling direction. Input data items are stored to memory, ending unti l those
at solid dots
If you set the level comparison directions to both directions, the start condition is satisfied when the
analog signal passes the level both in the rising and falling directions.
- External trigger
The board starts waiting for an external control signal after the specified number of samples have been
performed. Sampling stops when the specified edge (rising edge or falling edge) is input from the
external control signal.
-Software
Sampling continues indefinitely in this mode. Sampling only stops in response to a software
command or an error.
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4. Functions
Delay
Delayed sampling is performed after the sampling stop condition is satisfied.
When a sampling stop condition other than the software abort command is satisfied, the board performs
sampling for the specified number of times of delayed sampling to store input data to memory.
If you set the number of times of delayed sampling to 0, the board stops sampling the moment the
sampling stop condition is satisfied.
Event
“Event” works as a function for reporting the occurrence of a certain board state to the application.
The following events can be used in combination depending on the specifications and purpose of the
application.
- “AD conversion start condition satisfied” event
This event occurs when the AD conversion start condition is satisfied. The event is nullified when
the conversion start condition is “software”.
- “Repeat end” event
This even occurs whenever a repetition is completed.
- “End of device operation” ev en t
This event occurs when the entire operation including repetitions is completed.
- “Stored specified sampling times” event
This event occurs when sampling has been performed for the number of times set by software.
- Overflow event
This event occurs at an attempt to store input data with the memory full.
- Sampling clock error event
This event occurs when conversion stops as an error occurs due to a sampling clock period that is
too short.
- AD conversion error event
This event occurs when conversion stops due to an AD conversion error.
2. Starting/Stopping Operation
Sampling is started by the software command.
Once started, sampling can be stopped by the software command at any timing.
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4. Functions
3. Monitoring the Status and Acquiring Data
Software commands are used to monitor the operation status of the device and to acquire input data
from memory. Status monitoring and data acquisition can be performed even during sampling.
Status
The current state of the device can be checked by obtaining the device status.
The following types of device status are available:
- Device operating
The “device operating” status remains ON, after the execution of the sampling start command until
the board completes conversion, aborts operation due to an error, or stops sampling in response to
the command.
- Waiting for start trigger
This status remains ON, after the board starts sampling until the start trigger is input, if the
conversion start condition is an external trigger or level comparison. The status is set to OFF
when the input trigger is input to start conversion.
The status is set to ON whenever the board enters the conversion start wait status even when
repeated operation has been set.
- Specified sampling data stored
This status is set to ON when input data stored in memory has reached the amount corresponding to
the preset number of times of sampling.
If the memory format is FIFO, the status is set to OFF when the amount of input data in the memory
falls below the value corresponding to the preset number of times of sampling as data is acquired.
Once the status is set to ON when the memory format is ring, it remains ON until it is reset.
-Overflow
An overflow error occurs when an attempt is made to store input data to memory while it has been
full of input data.
When the memory format is FIFO, the board stops conversion.
When the memory format is ring, the board continues conversion while overwriting existing data
with new one.
- Sampling clock error
This error occurs when the sampling clock period is too short.
- AD conversion error
If the “device operating” status remains ON (without terminating conversion) for an extended
period of time, the driver regards that state as an operation error and sets this status to ON. This
error stops sampling.
Sampling
The number of sampled items of input data stored in memory can be obtained by the software command.
Repeat
The current repeat count can be obtained by the software command.
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4. Functions
Data acquisition
The conversion data stored in memory can be retrieved using a software command.
The figure below shows the correspondence between the sampling count and the conversion channel for
the conversion data stored in memory.
Input data is acquired differently depending on the memory format used.
- Data acquisition in FIFO format
When FIFO memory is used, the oldest data is always read first.
The following sketch shows an image of data acquisition in FIFO format.
When data is acquired from the memory, the free memory space increases by that data size. When
data is acquired next, the oldest one of the existing data items is taken from the memory in the same
way.
The FIFO memory deletes data once that data is acquired.
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4. Functions
- Data acquisition in ring format
When ring memory is used, data is read always with respect to the current input data write position.
The following sketch shows an image of data acquisition in ring format.
The sampling count obtained is always the number of times of sampling for up to the latest data
(shaded portion below).
The larger the number of samples taken, the older the data item acquired first.
As the ring memory retains data even after that data is acquired, you can fetch the same data any
number of times.
Conversion data
The following equation represents the relationship between input data and voltage.
Voltage = Input data x (Max. range value – Min. range value) ÷ Resolution + Min. range value
The value of resolution for the 12-bit device is 4096; that for the 16-bit device is 65536.
The table below shows the relationship between input data and voltage in the ±10-V range.
Voltage Conversion data (12-bit) Voltage Conversion data (16-bit)
+9.995V 4095 +9.99970V 65535
: :::
0.005V 2049 0.00030V 32769
0V 2048 0V 32768
-0.005V 2047 -0.00030V 32767
: :::
-10.000V 0 -10.000V 0
Ex.:When input data 3072 is input at a resolution of 12-bit in the ± 10-V range
Voltage = 3072 x (10 - (-10)) ÷ 4096 + (-10)
= 5.0
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4. Functions
4. Reset
Various states can be reset by executing the following reset commands:
All reset
This command resets the entire device, thereby initializing the device.
Status
This command resets the sampling clock error status and AD conversion error status.
Memory
This command resets the following memory related states.
- Resets the sampling count to 0.
- Resets the status for the specified sampling count to OFF.
- Resets the buffer overflow status to OFF.
- Resets the repeat count to 0.
5. Extended function
Simultaneous Sampling Control
Simultaneous sampling is executing AD conversion on multiple channels at the sampling clock timing.
The simultaneous sampling unit ATSS-16 available as an option provides this board with the 16-channel
simultaneous sampling feature.
Channel Expansion
Using the channel expansion sub-board ATCH-16(PCI) or ATUH-16(PCI) available as an option
increases the maximum number of input channels to 32 (16 channels in differential input mode).
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4. Functions
Analog Output Function
The board converts digital data to analog signals according to the resolution.
Resolution
"Resolution" signifies the number of bits used by an analog output device to represent analog signals.
The higher the resolution, the more finely the voltage range is segmented, allowing the device to convert
digital values to analog equivalents more precisely.
A device with a resolution of 12-bit divides the range width into 4096 segments.
When the device covers the range of 0 to 10V, the minimum unit of converted voltages is
10÷4096 = 2.44mV.
If the device has a resolution of 16-bit, it is 10 ÷ 65536 = 0.153mV instead.
AD12-16(PCI)E : The resolution is 12-bit.
AD12-16U(PCI)E : The resolution is 12-bit.
AD16-16(PCI)E : The resolution is 16-bit.
Channel
"Channel" represents each point of analog output.
For individual channel numbers, see "Using the On-board Connectors" to "Connector Pin Assignment"
in Chapter 3 "External Connection".
You can specify an arbitrary number of points of analog output by setting the channels by means of
software.
Range
"Range" means the range of voltages at which analog output can be performed.
The output range can be selected by setting the upper and lower output signals.
AD12-16(PCI)E : The range is specified by setting the jumpers.
AD12-16U(PCI)E : The range is specified by setting the jumpers.
AD16-16(PCI)E : The range is specified by setting the jumpers.
Please refer to the “Chapter2 Setup - Setting the Hardware - Setting the Analog Output”.
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4. Functions
Output data
Set output data to output analog signals. You can output analog signals to the specified channel or
channels (from 0 to an arbitrary number of channels) by executing the software command.
The following equation represents the relationship between output data and voltage.
Output data = ((Voltage – Min. range value) x Resolution) ÷ (Max. range value – Min. range value)
The value of resolution for the 12-bit device is 4096; that for the 16-bit device is 65536.
The table below shows the relationship between output data and voltage in the ±10-V range.
Voltage Output data(12-bit) Voltage Output data(16-bit)
+9.995V 4095 +9.99970V 65535
: :::
0.005V 2049 0.00030V 32769
0V 2048 0V 32768
-0.005V 2047 -0.00030V 32767
: :::
-10.000V 0 -10.000V 0
Ex.:When 3V is output at a resolution of 12-bit in the ±10-V range
Output data
= (3 - (-10))
4096 ÷ (10 - (-10))
x
= 2662.4 *
* The value that can be set as output data at this time is an integer. Select "2662" or "2 663" as the
output data.
The analog signal corresponding to the output data contains an error as follows:
- Output data "2662" converted to: 2.9998 V
- Output data "2663" converted to: 3.0029 V
This error is a consequential error occurring when output data is obtained from an expected analog
value.
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4. Functions
Digital Input Function
Input bit
Individual digital input points are called input bits.
When the number of input points of a device is 4, the bits are determined as bit 0 to bit 3.
bit3 bit2 bit1 bit0
Input in Bits
The state 1 (ON) or 0 (OFF) of each input bit can be obtained by specifying the bit.
Input in Bytes
Individual input bits can be input in byte units.
When the number of input points of the device is 4, the individual input bits are arranged as shown
below and the byte data to be input is a value between 0 and 15 depending on the states of the bits.
EX.Input of bit 3 (OFF), bit 2 (ON), bit 1 (OFF) and bit 0 (ON)
Byte data = 5(5H)
Bit 3
Bit 2 Bit 1
1(ON) 0(OFF)0(OFF)
Bit 0
1(ON)
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4. Functions
Digital Output Function
Output bit
Individual digital output points are called output bits.
When the number of output points of a d evice is 4, th e bits are d etermined as bit 0 to bit 3.
bit3 bit2 bit1 bit0
Output in Bits
The state of each output bit can be changed to ON or OFF by specifying the bit and setting it to 1 or 0.
Output in Bytes
Individual output bits can be output in byte units. When the number of output points of the device is 4,
the individual output bits are arranged as shown below and byte data to be output is a value between 0
and 15.
Ex. Output of bit 3 (ON), bit 2 (OFF), bit 1 (ON) and bit 0 (OFF)
Byte data = 10(AH)
Bit 3 Bit 2 Bit 1
0(OFF) 1(ON)1(ON)
Bit 0
0(OFF)
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4. Functions
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5. About Software
5. About Software
The bundled CD-ROM “Driver library API-PAC(W32)” contains the functions that provide the
following features:
- Analog input or output through arbitrary channels
- Analog input at arbitrary intervals using the internal or external sampling clock
- Simultaneous monitoring of the termination of analog input sampling, buffer memory usage, and
interrupt events such as occurrences of errors
- Driver option check using a demo driver even without the board installed
For details, refer to the help file. The help file provides various items of information such as “Function
Reference”, “Sample Programs” and “Q&A”. Use them for program development and
troubleshooting.
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5. About Software
When using the API-AIO(WDM)
Accessing the Help File
(1) Click on the [Start] button on the Windows taskbar.
(2) From the Start Menu, select “Programs” – “CONTEC API-PAC(W32)” – “AIOWDM” –
“API-AIO(WDM) HELP” to display help information.
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5. About Software
Using Sample Programs
Sample programs are provided for each of the basic operations. You can use these to check the
operation of the board and as a reference when writing your own programs.
To use the sample programs, specify the device name in the property page for the program.
The sample programs are stored in \Program Files\CONTEC\API-PAC(W32)\AIOWDM\Samples.
Running a Sample Program
(1) Click on the [Start] button on the Windows taskbar.
(2) From the Start Menu, select “Programs” – “CONTEC API-PAC(W32)” – “AIOWDM” –
“SAMPLE…”.
(3) A sample program is invoked.
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5. About Software
Sample Programs - Examples
Analog input
- SingleAi Perform single analog input from specified channel
- MultiAi Perform single analog input from multiple channels
- Ai Perform standard analog input using a FIFO buffer
- AiPoll Perform standard analog input by polling
- AiEx Perform analog input for multiple channels using a FIFO buffer
- AiLong Perform long-duration analog input using a FIFO buffer
- AiExt Perform analog input using an external clock
- AiTrg Perform analog input using an external trigger to start and stop operation
- AiLevel1 Use a level trigger to start analog input
- AiLevel2 Use a level trigger to stop analog input
- Ai2 Perform standard analog input using more than one device
Analog output
- SingleAo Perform single analog output from specified channel
- MultiAo Perform single analog output from multiple channels
- Ao Perform standard analog output using a FIFO buffer
- AoPoll Perform standard analog output by polling
- AoEx Perform analog output for multiple channels using a FIFO buffer
- AoLong Perform long-duration analog output using a FIFO buffer
- AoExt Perform analog output using an external clock
- AoRing Perform continuous analog output using a ring buffer
- AoTrg Perform analog output using an external trigger to start and stop operation
- Ao2 Perform standard analog output using more than one device
Digital input/output
- DioBit Perform digital I/O using bit values
- DioByte Perform digital I/O using port values
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5. About Software
Using Utility Programs
Function execution speed measurement program
The function execution speed measurement program can be used to measure the execution times of some
major functions.
To use the function execution speed measurement program, click the [Execution Time Measurement]
button in the diagnosis program's dialog box.
Using procedure
(1) From the device list, select the device subjec t to meas ur em ent.
(2) Click the button labeled with a function key to measure the execution speed of that function.
For the AioMultiAi and AioMultiAo functions, select the number of channels to be used for
conversion from the list. F or the AioGetAiSamplingData and AioSetAoSamplingData functions,
enter the size of data to be transferred.
Set the data size in kilobytes.
(3) Use the [End] button to quit the application.
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5. About Software
Analog input measurement tool
This tool is an analog input measurement utility for infinite sampling using FIFO memory. When a
certain number of data items are collected in memory, an event occurs, causing the tool to obtain the
data in memory. With this took, you can visually check data in the FIFO memory.
The dialog box can be used to set the number of channels to be used, internal/external clock, conversion
speed, and the number of times sampling is performed before causing the event. Use this tool for
measurement of conversion specifications under various sets of conversion conditions as it also reports a
sampling clock error event.
CAUTION
This program is a Visual Basic application. It cannot be run without the Visual Basic runtime
library installed. It can be used after executing the following setup program in the APIAIO(WDM) install folder.
AIOWDM\Utility\AiSpec\setup.exe
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5. About Software
Using procedure
(1) In the combobox in the upper left corner, select the name of the device to be used. Then click the
[Set] button.
(2) Set the conversion conditions in the analog input setup dialog box.
When the input reaches the sampling count specified as the number of data sampling times, an event
occurs and the tool obtains data. Click the OK button to set the conditions and return to the
previous dialog box.
(3) Click the [Start Measurement] button to start measurement. Various states will be displayed
during conversion.
FIFO sampling count:
Conversion data loaded in memory. You can check this visually with the "memory image."
Event trigger sampling count:
An event occurs when the FIFO input sampling count reaches this value.
Total input sampling count:
Total number of times the application sampled data into memory.
The following errors may stop measurement.
Sampling clock error:
When the internal clock is used for conversion, this error indicates that the conversion speed is too
high for the driver to keep up with conversion.
When the external clock is used for conversion, the error indicates too fast a clock cycle or noise.
Buffer overflow:
This error indicates that the conversion speed is too high relative to the speed of data input, causing
memory ove r flow.
(4) Clicking the [End measurement] button terminates measurement.
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5. About Software
Analog output measurement tool
This tool is an analog output measurement utility for infinite sampling using FIFO memory. When a
certain number of data items are collected in memory, an event occurs, adding the new output data.
With this took, you can visually check data in the FIFO memory.
The dialog box can be used to set the number of channels to be used, internal/external clock, conversion
speed, and the number of times sampling to be caused the event and to be added. Use this tool for
measurement of conversion specifications under various sets of conversion conditions as it also reports a
sampling clock error event.
CAUTION
This program is a Visual Basic application. It cannot be run without the Visual Basic
runtime library installed. It can be used after executing the following setup prog ram in the
API-AIO-WDM) install folder.
AIOWDM\Utility\AoSpec\setup.exe
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5. About Software
Using procedure
(1) In the combobox in the upper left corner, select the name of the device to be used. Then click the
[Set] button.
(2) Set the conversion conditions in the analog output setup dialog box.
When the output reaches the sampling count specified as the number of data setup sampling times,
an event occurs and the tool adds data. Click the OK button to set the conditions and return to the
previous dialog box.
(3) Click the [Start Measurement] button to start measurement. Various states will be displayed
during conversion.
FIFO sampling count:
Not-output conversion data loaded in memory. You can check this visually with the "memory
image."
Event trigger sampling count:
An event occurs when the FIFO not-output sampling count reaches this value.
Adding sampling count:
Output data sampling count to be added in the event
The following errors may stop measurement.
Sampling clock error:
When the internal clock is used for conversion, this error indicates that the conversion speed is too
high for the driver to keep up with conversion.
When the external clock is used for conversion, the error indicates too fast a clock cycle or noise.
(4) Clicking the [End measurement] button terminates measurement.
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5. About Software
When using the API-AIO(98/PC)
Accessing the Help File
(1) Click on the [Start] button on the Windows taskbar.
(2) From the Start Menu, select “Programs” – “CONTEC API-PAC(W32)” – “Aio” –
“API-AIO HELP” to display help information.
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5. About Software
Using Sample Programs
Sample programs have been prepared for specific basic applications.
To use each sample program, enter its device name set by API-TOOL Configuration.
Use these sample programs as references for program development and operation check.
The sample programs are stored in \Program Files\CONTEC\API-PAC(W32)\Aio\Samples.
Running a Sample Program
(1) Click on the [Start] button on the Windows taskbar.
(2) From the Start Menu, select “Programs” – “CONTEC API-PAC(W32)” – “Aio” – “SAMPLE…”.
(3) A sample program is invoked.
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5. About Software
Sample Programs - Examples
Analog input
- AI : Uses AioInp to convert an analog signal only once and display the data.
- AIBack : Uses AioInpBack to perform memory-less board analog input.
- AIMemory : Uses AioInpBdMem to perform continuous conversion and AioReadBuf to
- AIInt : Infinite sampling example that uses AioInpBdMem for half/full interrupts and
- AITimer : Infinite sampling example that uses AioInpBdMem to perform continuous
- AISync : Sample that uses AioInpBdMem and AioDO to perform simultaneous sampling of
- AioInp : Sample console application that uses AioOpenEx and AioInp.
Analog output
- AO : Uses AioOut to perform analog output once.
- AOBack : Uses AioOutBack to perform analog output at fixed intervals.
- AioOut : Sample console application that uses AioOpenEx and AioOut.
Digital input and output
- DIO : Uses AioDO and AioDI to perform digital input/output.
acquire data from board memory (an example of using an external clock).
AioReadBuf to acquire data at interrupt events.
conversion and AioReadBuf to acquire data at system timer events.
two memory-mounted boards.
Counter
- Timer : Sample program using a timer. It uses the counter function to measure the lapse
of time.
- Counter : Sample program using a counter. It uses the counter function to count external
The following sample program in Visual Basic is available.
- ANALOG : Versatile sample program using AioInp, AioInpBack, AioInpBdMem, AioOut,
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pulses.
AioOutBack, AioDO, and AioDI
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5. About Software
Using the Utility Program
Operation Check Tool
This program is a comprehensive operation check tool that can use all the features of the AioOpen,
AioClose, AioSetRangeAioInp, AioInpBack, AioInpBdMem, AioOut, AioOutBack, AioDo, and AioDi
functions.
Invoke the tool by selecting the Start Menu – “CONTEC API-PAC(W32)” – “AIO” –
“SAMPLE Analog”.
[Main screen]
AioInp : Simple analog input
AioInpBack : Analog input for non Memory-
Board
AioInpBdMem: Analog input for Memory-Board
AioOut : Simple analog output
AioOutBack : Analog output in background
AioDi/AioDo : Digital input and output
[Analog input]
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5. About Software
[Analog output]
[Digital input and output]
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5. About Software
Uninstalling the Driver Libraries
To uninstall API-PAC(W32), follow the procedure below.
(1) Click on the [Start] button on the Windows taskbar. From the Start Menu, select “Settings” –
“Control Panel”.
(2) Double-click on “Add/Remove Programs” in the Control Panel.
(3) If the API-AIO(WDM), select “CONTEC API-AIO(WDM) driver” and
“CONTEC API-AIO(WDM) VerX.XX (Development)” from the displayed application .
If the API-AIO(98/PC), select “CONTEC API-AIO(98/PC)xx VerX.XX (Development) and
“CONTEC API-AIO(98/PC)xx VerX.XX (Runtime)”
Click on the [Add/Remove] button. Follow the on-screen instructions to uninstall the function
libraries.
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5. About Software
CD-ROM Directory Structure
\
|– Autorun.exe Installer Main Window
| Readmej.html Version information on each API-TOOL(Japanese)
| Readmeu.html Version information on each API-TOOL(English)
.
.
|–––APIPAC Each installer
| |––AIO
| | |––DISK1
| | |––DISK2
| | |––……
| | |––DISKN
| |––AioWdm
| |––CNT
| |––DIO
| |––……
.
.
| ––HELP HELP file
| |––Aio
| |––Cnt
| |––……
.
.
| ––INF OS-specific INF file
| |––WDM
| |––Win2000
| |––Win95
.
.
| ––Readme Readme file for each driver
.
.
| ––Release Driver file for each API-TOOL
| |––API_NT (For creation of a user-specific install program)
| |––API_W95
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6. About Hardware
6. About Hardware
This chapter provides hardware specification s and h a rdware-related supplementary information.
Hardware specification
Common specification
Table 6.1. Common specification
Item Specification
Digital I/O
Number of output channels
Number of input channels 4 TTL levels
Counter
Counter device i8254 equivalent
Counter clock Internal (4MHz) or External signal
Interface connector
CN1 D-SUB 37-Pin female thumb screw #4-40UNC
CN2 16-pin Pin-header
I/O address 16 ports boundary
Interrupt level 1 level use (Interrupts can be enabled or disabled.)
PCI bus specification 32-bit, 33MHz, 5V
Operating condition 0 to 50°C, 10 to 90%RH (No condensation)
4 TTL levels
(Selection of a counter output is possible at a jumper.)
(A counter control input and common use are possible at a jumper.)
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6. About Hardware
AD12-16(PCI)E
Table 6.2. Specification
Item Specification
Analog input
Isolated specification Un-Isolated
Input Type Single-Ended Input or Differential Input (Jumper setup)
Number of input channels
Input range
Absolute max. input voltage
Input impedance
Resolution 12bit
Non-Linearity error *1*2
Conversion speed 10µsec/ch (Max.)
Buffer memory 256K Word FIFO or 256K Word RING (Software setup)
Conversion start trigger Software/Input data comparison/TTL level external signal
Conversion stop trigger Specified sampling data stored /Input data comparison/ TTL level external signal/Software
Analog output
Isolated specification Un-Isolated
Number of output channel 1ch
Output range Bipolar ±10V/Bipolar ±5V/Unipolar 0 to +10V (Jumper setup)
Output current ability ±5mA
Output impedance 1Ω or less
Resolution 12-bit
Non- Linearity error *1 ±1/2LSB
Conversion speed 6µsec (Max.)
Current consumption *3 +5V 1100mA (Max.)
Dimension (mm) 176.41(L) x 106.68(H)
Weight 150g
*1: When the environment temperature is near 0ºC or 50ºC, the non-linearity error may become larger.
*2: At the time of t h e s o ur c e us e o f a si g na l w hi c h b u il t i n t he high-speed operational ampl i f i e r.
*3: If an external device requires this AD12-16(PCI)E board to supply +5VDC from the CN1 or CN2 connectors, the
power consumption of this board will be bigger than what this specification has defined.
16 channels (Single-Ended Input)
8 channels (Differential Input)
Bipolar ±10V, ±5V, ±2.5V, ±1.25V, or Unipolar 0 to +10V, 0 to +5V, 0 to +2.5V,
0 to +1.25V (Set the input range using both of jumpers and software.)
±20V
1M
Ω or more
±2LSB(±10V, ±5V, 0 to +10V, 0 to +5V) at the time of power voltage input
±4LSB(±2.5V, ±1.25V, 0 to +2 .5 V, 0 to +1 .25 V) a t t he time of power voltage input
Board dimension
176.41(L)
106.68(H)
The standard outside dimension (L) is
the distance from the end of the board
to the outer surface of the slot cover.
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[mm]
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6. About Hardware
AD12-16U(PCI)E
Table 6.3. Specification
Item Specification
Analog input
Isolated specification Un-Isolated
Input Type Single-Ended Input or Differential Input (Jumper setup)
Number of input channels
Input range
Absolute max. input voltage
Input impedance
Resolution 12bit
Non-Linearity error *1*2
Conversion speed 1µsec/ch (Max.)
Buffer memory 256K Word FIFO or 256K Word RING (Software setup)
Conversion start trigger Software/Input data comparison/TTL level external signal
Conversion stop trigger Specified sampling data stored /Input data comparison/
Analog output
Isolated specification Un-Isolated
Number of output channel 1ch
Output range Bipolar ±10V/Bipolar ±5V/Unipolar 0 to +10V (Jumper setup)
Output current ability ±5mA
Output impedance 1Ω or less
Resolution 12-bit
Non- Linearity error *1 ±1/2 LSB
Conversion speed 6µsec (Max.)
Current consumption *3 +5V 1800mA (Max.)
Dimension (mm) 231.78(L) x 106.68(H)
Weight 250g
*1: When the environment temperature is near 0ºC or 50ºC, the non-linearity error may become larger.
*2: At the time of th e s o ur c e us e o f a si g na l w hi c h bu il t i n t he high-speed operational ampl i f i e r.
*3: If an external device requires this AD12-16U(PCI)E board to supply +5VDC from the CN1 or CN2 connectors, the
power consumption of this board will be bigger than what this specification has defined.
16 channels (Single-Ended Input)
8 channels (Differential Input)
Bipolar ±5V, ±2.5V
or Unipolar 0 to +5V, 0 to +10V (Jumper setup)
±15V
1M
Ω or more
±3LSB
TTL level external signal/Software
Board dimension
231.78(L)
106.68(H)
The standard outside dimension (L) is
the distance from the end of the board
to the outer surface of the slot cover.
AD12-16(PCI)E, AD12-16U(PCI)E, AD16-16(PCI)E
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
[mm]
85
6. About Hardware
AD16-16(PCI)E
Table 6.4. Specification
Item Specification
Analog input
Isolated specification Un-Isolated
Input Type Single-Ended Input or Differential Input (Jumper setup)
Number of input channels
Input range
Absolute max. input voltage
Input impedance
Resolution 16bit
Non-Linearity error *1*2
Conversion speed 10µsec/ch (Max.)
Buffer memory 256K Word FIFO or 256K Word RING (Software setup)
Conversion start trigger Software/Input data comparison/TTL level external signal
Conversion stop trigger Specified sampling data stored /Input data comparison/
Analog output
Isolated specification Un-Isolated
Number of output channel 1ch
Output range Bipolar ±10V/Unipolar 0 to +10V (Jumper setup)
Output current ability ±5mA
Resolution 16-bit
Non- Linearity error *1 ±2 LSB
Conversion speed 13µsec (Max.)
Current consumption *3 +5V 1300mA (Max.)
Dimension (mm) 176.41(L) x 106.68(H)
Weight 150g
*1: When the environment temperature is near 0ºC or 50ºC, the non-linearity error may become larger.
*2: At the time of th e s o ur c e us e o f a si g na l w hi c h bu il t i n t he high-speed operational ampl i f i e r.
*3: If an external device requires this AD16-16(PCI)E board to supply +5VDC from the CN1 or CN2 connectors, the
power consumption of this board will be bigger than what this specification has defined.
16 channels (Single-Ended Input)
8 channels (Differential Input)
Bipolar ±10V, ±5V
or Unipolar 0 to +10V, 0 to +5V (Jumper setup)
±20V
Ω or more
1M
±5LSB
TTL level external signal/Software
Board dimension
176.41(L)
106.68(H)
The standard outside dimension (L) is
the distance from the end of the board
to the outer surface of the slot cover.
86
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[mm]
AD12-16(PCI)E, AD12-16U(PCI)E, AD16-16(PCI)E
Block Diagram
Figure 6.1 is a circuit block diagram of this board.
6. About Hardware
16 single-ended /
8 differential
Analog Inputs
8/16 channel
multiplexer
with over voltage
protection
Instrument
amplifier
Sample & Hold
amplifier
A/D
converter
DC/DC
converter
Analog Outputs
CN1 CN2
D/A
converter
Figure 6.1. Block Diagram
Simultaneous
Hold
On board
memory
PCI Bus
ASIC
4 Digital In put /
4 Digital Output /
control signals
Counter 8254
16-bit counter 2
16-bit counter 1
16-bit counter 0
PCI Bus interface
Counter
signals
AD12-16(PCI)E, AD12-16U(PCI)E, AD16-16(PCI)E
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87
6. About Hardware
Timing of Sampling Control Signals
There are timing chart diagrams and a table about sampling control signals as shown Fig.6.2, 6.3, 6.4
and Table 6.5.
External Sm ap ling Clock Inp ut
t
Sample / Hold
Conversion start
Figure 6.2. Timing Chart of External Sampling Clock
External S m apling Start Trigger Input
Figure 6.3. Timing Chart of External Sampling Start Control Signal
DEH
t
DEC
t
t
SRS
HRS
t
t
SFS
HFS
External S mapling Stop Trigger I nput
t
t
HRP
SRP
t
SFP
Figure 6.4. Timing Chart of External Sampling Stop Control Signal
Table 6.5. Timing Table of Operation Control Signals
Parameter Symbol Time Unit
Delay time from external sampling clock to first hold action tDEH 100 nsec
Delay time from external sampling clock to first A/D start pulse tDEC 100 nsec
Set up time of sampling start (Rising edge) tSRS 100 nsec
Hold time of sampling start (Rising edge) tHRS 100 nsec
Set up time of sampling start (Rising edge) tSFS 100 nsec
Hold time of sampling start (Rising edge) tHFS 100 nsec
Set up time of sampling stop (Rising edge) tSRP 100 nsec
Hold time of sampling stop (Rising edge) tHRP 100 nsec
Set up time of sampling stop (Rising edge) tSFP 100 nsec
Hold time of sampling stop (Rising edge) tHFP 100 nsec
CAUTION
All of the times in Table 6.5 are typical values.
t
HFP
88
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AD12-16(PCI)E, AD12-16U(PCI)E, AD16-16(PCI)E
About Calibration
This board is calibrated before shipment.
Contact your retailer if the board does not provide its prescribed performance.
6. About Hardware
AD12-16(PCI)E, AD12-16U(PCI)E, AD16-16(PCI)E
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89
AD12-16(PCI)E
AD12-16U(PCI)E
AD16-16(PCI)E
User’s Guide
CONTEC CO., LTD. November 2004 Edition
3-9-31, Himesato, Nishiyodogawa-ku, Osaka 555-0025, Japan
Japanese http://www.contec.co.jp/
English http://www.contec.com/
Chinese http://www.contec.com.cn/
No part of this document may be copied or reproduced in any form by any means without prior written
consent of CONTEC CO., LTD. [03102004]
[12261997] Management No. A-41-755
[11042004_rev3] Parts No. LZC2651
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