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User Manual
PCIE-1805
32-ch, 16-bit, 1 MS/s Analog
Input PCI Express Card
PCIE-1805 User Manual ii
Copyright
This documentation and the software included with this product are copyrighted 2020
by Advantech Co., Ltd. All rights are reserved. Advantech Co., Ltd. reserves the right
to make improvements in the products described in this manual at any time without
notice.
No part of this manual may be reproduced, copied, translated or transmitted in any
form or by any means without the prior written permission of Advantech Co., Ltd.
Information provided in this manual is intended to be accurate and reliable. However,
Advantech Co., Ltd. assumes no responsibility for its use, nor for any infringements
of the rights of third parties which may result from its use.
Acknowledgments
Intel and Pentium are trademarks of Intel Corporation.
Microsoft Windows and MS-DOS are registered trademarks of Microsoft Corp.
All other product names or trademarks are properties of their respective owners.
Product Warranty (2 years)
Advantech warrants to you, the original purchaser, that each of its products will be
free from defects in materials and workmanship for two years from the date of pur-
chase.
This warranty does not apply to any products which have been repaired or altered by
persons other than repair personnel authorized by Advantech, or which have been
subject to misuse, abuse, accident or improper installation. Advantech assumes no
liability under the terms of this warranty as a consequence of such events.
Because of Advantech’s high quality-control standards and rigorous testing, most of
our customers never need to use our repair service. If an Advantech product is defec-
tive, it will be repaired or replaced at no charge during the warranty period. For out-
of-warranty repairs, you will be billed according to the cost of replacement materials,
service time and freight. Consult your dealer for more details.
If you think you have a defective product, follow these steps:
1. Collect all the information about the problem encountered. (For example, CPU
speed, Advantech products used, other hardware and software used, etc.) Note
anything abnormal and list any onscreen messages you get when the problem
occurs.
2. Call your dealer and describe the problem. Have your manual, product, and any
helpful information readily available.
3. If your product is diagnosed as defective, obtain an RMA (return merchandize
authorization) number from your dealer. This allows us to process your return
more quickly.
4. Carefully pack the defective product, a fully-completed Repair and Replacement
Order Card and a photocopy proof of purchase date (such as your sales receipt)
in a shippable container. A product returned without proof of the purchase date
is not eligible for warranty service.
5. Write the RMA number visibly on the outside of the package and ship it prepaid
to your dealer.
Part No. 2001180500 Edition 1
Printed in China March 2020
iii PCIE-1805 User Manual
CE
This product has passed the CE test for environmental specifications when shielded
cables are used for external wiring. We recommend the use of shielded cables. This
kind of cable is available from Advantech. Please contact your local supplier for
ordering information.
Technical Support and Assistance
1. Visit the Advantech web site at http://support.advantech.com.tw/ where you
can find the latest information about the product.
2. Contact your distributor, sales representative, or Advantech's customer service
center for technical support if you need additional assistance. Have the follow-
ing information ready before you call:
–Product name and serial number
–Description of your peripheral attachments
–Description of your software (operating system, version, application software,
etc.)
–A complete description of the problem
–The exact wording of any error messages
Packing List
Before setting up the system, check that the items listed below are included and in
good condition. If any item does not accord with the table, contact your dealer imme-
diately.
PCIE-1805 DA&C card
Startup or User Manual
Safety Precaution - Static Electricity
Follow these simple precautions to protect yourself from harm and the products from
damage.
1. To avoid electrical shock, always disconnect the power from your PC chassis
before you work on it. Don't touch any components on the CPU card or other
cards while the PC is on.
2. Disconnect power before making any configuration changes. The sudden rush
of power as you connect a jumper or install a card may damage sensitive elec-
tronic components.
PCIE-1805 User Manual iv
v PCIE-1805 User Manual
Contents
Chapter 1 Introduction..........................................1
1.1 Features .................................................................................................... 2
1.2 Applications............................................................................................... 3
1.3 Installation Guide ...................................................................................... 3
Figure 1.1 Installation Flow Chart ................................................ 4
1.4 Software Overview .................................................................................... 5
1.5 DAQNavi Device Driver Programming Roadmap ..................................... 5
1.6 Accessories............................................................................................... 6
Chapter 2 Installation............................................7
2.1 Unpacking ................................................................................................. 8
2.2 Driver Installation ...................................................................................... 8
2.2.1 Device Auto Installation (Recommended)..................................... 8
2.3 Device Setup & Configuration ................................................................... 9
Figure 2.1 The Device Setting of PCIE-1805............................... 9
Figure 2.2 The Device Setting page .......................................... 10
Figure 2.3 The Device Testing of PCIE-1805 ............................ 11
Chapter 3 Signal Connections ...........................13
3.1 Overview ................................................................................................. 14
3.2 Switch and Jumper Settings.................................................................... 14
Figure 3.1 Connector and Switch Locations .............................. 14
3.2.1 Board ID (SW1)........................................................................... 15
Table 3.1: Board ID Setting (SW1) ............................................ 15
3.3 Signal Connections ................................................................................. 16
Figure 3.2 62-pin I/O Connector Pin Assignments .................... 16
3.3.1 I/O Connector Signal Description................................................ 17
3.3.2 Measurement Mode Selection .................................................... 18
3.3.3 Analog Input Connections........................................................... 18
Figure 3.3 Differential Input Channel Connections .................... 19
Figure 3.4 Differential Input Channel Connection - Floating Signal
Source ...................................................................... 19
Figure 3.5 External Clock Source Connection........................... 21
Figure 3.6 External Digital Trigger Source Connection ............. 21
3.4 Field Wiring Considerations .................................................................... 22
Appendix A Specifications ....................................23
A.1 Function Block......................................................................................... 24
A.2 Analog Input ............................................................................................ 25
A.2.1 Functions .................................................................................... 25
A.2.2 Voltage Measurement Accuracy ................................................. 26
A.2.3 Current Measurement Accuracy ................................................. 26
A.2.4 Dynamic Performance ................................................................ 26
A.3 Triggers ................................................................................................... 26
A.3.1 Analog Trigger ............................................................................ 26
A.3.2 External Digital Trigger ............................................................... 27
A.4 Timing Signals......................................................................................... 27
A.4.1 Timing Signal Inputs ................................................................... 27
A.5 Output Capacity ...................................................................................... 27
PCIE-1805 User Manual vi
A.6 General ................................................................................................... 27
Appendix B Operation Theory .............................. 29
B.1 Analog Input Operation ........................................................................... 30
B.1.1 AI Hardware Structure ................................................................ 30
B.1.2 Analog Input Ranges and Gains................................................. 30
B.1.3 AI Trigger Modes ........................................................................ 31
B.1.4 AI CONV Clock Source............................................................... 33
B.1.5 AI Trigger Source........................................................................ 34
Table B.1: Analog Input Data Format ........................................ 34
Table B.2: Full Scale Values for Input Voltage Ranges............. 34
Chapter 1
1Introduction
This chapter introduces PCIE-
1805 and its typical applications.
Sections include:
Features
Applications
Installation Guide
Software Overview
Roadmap
Accessories
PCIE-1805 User Manual 2
PCIE-1805 is an advanced high-performance analog input card based on the PCIe
x1 Bus. With a large FIFO of 4K samples, the maximum sampling rate of PCIE-1805
is up to 1MkS/s shared by maximum 32 channels.
1.1 Features
32-ch single-ended or 16-ch differential analog input, up to 1MS/s
16-bit resolution for A/D conversion
±10 V to ±1 V voltage measurement
0 ~ 20 mA or 4 ~ 20 mA current measurement
Full auto-calibration
Supports digital and analog triggers
Multi-card synchronization
PCIE-1805 offers the following main features:
PCIe-Bus Plug & Play
The PCIE-1805 card uses a PCIe controller to interface the card to the PCI Express
bus. The controller fully implements the PCI Express Base Specification v1.1. All con-
figurations related to the bus, such as base address and interrupt assignment, are
automatically controlled by software. No jumper or switch is required for user configu-
ration.
Onboard Buffer Memory
There is a 4k-sample buffer for AI on PCIE-1805. This is an important feature for
faster data transfer and more predictable performance.
Configurable Measurement Mode
PCIE-1805 provides a function current measurement of ranging 0-20mA or 4-20mA
for users to choose from. It provides an onboard dip-switch for users to change mea-
surement mode between voltage and current.
BoardID Switch
The PCIE-1805 has a built-in DIP switch that helps define each card’s ID when multi-
ple PCIE-1805 cards have been installed on the same PC chassis. The BoardID set-
ting function is very useful when building a system with multiple PCIE-1805 cards.
With the correct BoardID settings, you can easily identify and access each card dur-
ing hardware configuration and software programming.
Note! For detailed specifications and operation theory of the PCIE-1805,
please refer to Appendices A and B.
3 PCIE-1805 User Manual
Chapter 1 Introduction
1.2 Applications
Transducer and sensor measurements
Waveform acquisition and analysis
Vibration and transient analysis
1.3 Installation Guide
Before you install your PCIE-1805 card, please make sure you have the following
necessary components:
PCIE-1805 DA&C card
PCIE-1805 User Manual
Driver software Advantech DAQNavi software (downloaded from Advantech
website)
Personal computer or workstation with a PCI Express interface (running
Windows 10, 8 and 7)
Shielded Cable PCL-10162 (optional)
Wiring Board ADAM-3962 (optional)
Other optional components are also available for enhanced operation:
DAQ Navi, LabView or other 3rd-party software
After you get the necessary components and maybe some of the accessories for
enhanced operation of your multifunction card, you can then begin the installation
procedure. Figure 1.1 on the next page provides a concise flow chart to give you a
broad picture of the software and hardware installation procedures:
PCIE-1805 User Manual 4
Figure 1.1 Installation Flow Chart
5 PCIE-1805 User Manual
Chapter 1 Introduction
1.4 Software Overview
Advantech offers a rich set of DLL drivers, third-party driver support, and application
software to help fully exploit the functions of your PCIE-1805 card:
Device Drivers (downloaded from Advantech website)
LabVIEW driver
Advantech DAQNavi
Datalogger
Programming Choices for DA&C Cards
You may use Advantech application software such as Advantech Device Drivers. On
the other hand, advanced users can use register-level programming, although this is
not recommended due to its laborious and time-consuming nature.
DAQNavi Software
Advantech DAQNavi software includes device drivers and SDK, which features a
complete I/O function library to help boost your application performance. The Advan-
tech DAQNavi software for Windows XP/7/8 (desktop mode) works seamlessly with
development tools such as Visual Studio.NET, Visual C++, Visual Basic and Borland
Delphi.
1.5 DAQNavi Device Driver Programming Roadmap
This section will provide you a roadmap to demonstrate how to build an application
from scratch using Advantech DAQNavi Device Driver with your favorite develop-
ment tools such as Visual Studio.NET, Visual C++, Visual Basic, Delphi, and C++
Builder. The step-by-step instructions on how to build your own applications using
each development tool is given in the Device Drivers Manual. A rich set of example
source code is also provided for your reference.
Programming Tools
Programmers can develop application programs with their favorite development
tools:
Visual Studio .NET
Visual C++ and Visual Basic
Delphi
C++ Builder
For instructions on how to begin programming work in each development tool,
Advantech offers a Tutorial Chapter in the DAQNavi SDK Manual for your reference.
Please refer to the corresponding sections in this chapter on the DAQNavi SDK Man-
ual to begin your programming efforts. You can also look at the example source code
provided for each programming tool; examples can help jump-start a project.
The DAQNavi SDK Manual can be found after you installed the manual pack-
age(DAQNavi_Programing_References, which can be downloaded on Advantech
support portal). Alternatively, if you have already installed the manual package on
your system, The DAQNavi SDK Manual can be readily accessed through the Start
button:
Start/Programs/Advantech Automation/DAQNavi/DAQNavi Manuals/DAQNavi
SDK Manual
The example source code can be found under the corresponding installation folder
such as the default installation path:
\Advantech\DAQNavi\Examples
PCIE-1805 User Manual 6
For information about using other function groups or other development tools, please
refer to the Using DAQNavi SDK chapter in the DAQNavi SDK Manual, or the video
tutorials in the Advantech Navigator.
Programming with DAQNavi Device Drivers Function Library
Advantech DAQNavi Device Drivers offer a rich function library that can be utilized in
various application programs. This function library consists of numerous APIs that
support many development tools, such as Visual Studio .NET, Visual C++, Visual
Basic, Delphi and C++ Builder.
According to their functions or services, APIs can be categorized into several function
groups:
Analog Input Function Group
For the usage and parameters of each function, please refer to the Using DAQNavi
SDK chapter in the DAQNavi SDK Manual.
Troubleshooting DAQNavi Device Drivers Error
Driver functions will return a status code when they are called to perform a certain
task for the application. When a function returns a code that is not zero, it means the
function has failed to perform its designated function. To troubleshoot the Device
Drivers error, you can pass the error, you can check the error code and error descrip-
tion within the Error Control of each function in the DAQNavi SDK Manual.
1.6 Accessories
Advantech offers a complete set of accessory products to support the PCIE-1805
card. These accessories include:
Wiring Cables
PCL-10162-1E DB-62 Shielded Cable, 1m
PCL-10162-3E DB-62 Shielded Cable, 3m
1700030423-01 10 pin Flat Cable, 10cm
Wiring Boards
ADAM-3962-AE DB-62 Wiring Terminal, DIN-rail Mount
Chapter 2
2Installation
PCIE-1805 User Manual 8
2.1 Unpacking
After receiving your PCIE-1805 package, inspect its contents first.
The package should contain the following items:
PCIE-1805 card
Startup Manual
The PCIE-1805 cards harbors certain electronic components vulnerable to electro-
static discharge (ESD). ESD could easily damage the integrated circuits and certain
components if preventive measures are not carefully paid attention to.
Before removing the card from the antistatic plastic bag, you should take following
precautions to prevent ESD damage:
Touch a metal part of your computer chassis with your hand to discharge static
electricity accumulated on your body. Or use a grounding strap.
Touch the anti-static bag to a metal part of your computer chassis before open-
ing the bag.
Hold the card only by the metal bracket when removing it from the bag.
After taking out the card, you should first inspect the card for any possible signs of
external damage (loose or damaged components, etc.). If the card is visibly dam-
aged, please notify our service department or the local sales representative immedi-
ately. Avoid installing a damaged card into your system. Also, pay extra caution to the
following aspects to ensure proper installation:
Avoid physical contact with materials that could hold static electricity such as
plastic, vinyl and Styrofoam.
Whenever you handle the card, grasp it only by its edges. DO NOT TOUCH the
exposed metal pins of the connector or the electronic components.
2.2 Driver Installation
We recommend you install the driver before you install the PCIE-1805 card into your
system, since this will guarantee a smooth installation process.
2.2.1 Device Auto Installation (Recommended)
You can install the PCIE-1805 in any PCI Express slot on your computer. Follow the
steps below to install the module on your system.
1. Turn off your computer and unplug the power cord and cables. TURN OFF your
computer before installing or removing any components on the computer.
2. Remove the cover of the computer.
3. Remove the slot cover on the back panel of your computer.
4. Touch the metal part on the surface of your computer to neutralize the static
electricity that might be on your body.
5. Insert the PCIE-1805 card into a PCI Express slot. Hold the card only by its
edges and carefully align it with the slot. Insert the card firmly into place. Use of
excessive force must be avoided, otherwise the card might be damaged.
Note! Keep the anti-static bag for future use. You may need the original bag to
store the card if you have to remove the card from the PC or transport it
elsewhere.
9 PCIE-1805 User Manual
Chapter 2 Installation
6. Fasten the bracket of the PCI card on the back panel rail of the computer with
screws.
7. Plug in the power cord and turn on the computer.
2.3 Device Setup & Configuration
The Advantech Navigator program is a utility that allows you to set up, configure and
test your device, and later stor registry. These settingses your settings on the system
will be used when you call the APIs of Advantech Device Drivers.
Setting Up the Device
1. To set up the I/O device for your card, you must first run the Advantech Naviga-
tor program (by accessing Start/Programs/Advantech Automation/DAQNavi/
Advantech Navigator).
2. You can then view the device(s) already installed on your system (if any) on the
Installed Devices list box. If the software and hardware installation are com-
pleted, you will see PCIE-1805 card in the Installed Devices list.
Figure 2.1 The Device Setting of PCIE-1805
PCIE-1805 User Manual 10
Configuring the Device
Go to the Device Setting to configure your device. Here you can configure not only
the Analog Input of PCIE-1805 but also Digital Input/Output.
Figure 2.2 The Device Setting page
11 PCIE-1805 User Manual
Chapter 2 Installation
After your card is properly installed and configured, you can go to the Device Test
page to test your hardware by using the testing utility supplied.
Figure 2.3 The Device Testing of PCIE-1805
For more detailed information, refer to the DAQNavi SDK Manual or the User Inter-
face Manual in the Advantech Navigator.
PCIE-1805 User Manual 12
Chapter 3
3Signal Connections
This chapter provides useful
information about how to connect
input and output signals to the
PCIE-1805 card via the I/O con-
nector.
Sections include:
Overview
Board ID Settings
Signal Connections
Field Wiring Considerations
PCIE-1805 User Manual 14
3.1 Overview
Maintaining signal connections is one of the most important factors in ensuring that
your application system is sending and receiving data correctly. A good signal con-
nection can avoid unnecessary and costly damage to your PC and other hardware
devices. This chapter provides useful information about how to connect input and
output signals to the PCIE-1805 card via the I/O connector.
3.2 Switch and Jumper Settings
Please refer to Figure 3.1 for jumper and switch locations on PCIE-1805.
Figure 3.1 Connector and Switch Locations
15 PCIE-1805 User Manual
Chapter 3 Signal Connections
3.2.1 Board ID (SW1)
The PCIE-1805 has a built-in DIP switch (SW1), which is used to define each card’s
board ID. When there are multiple cards on the same chassis, this board ID switch is
used to set each card’s device number.
After setting each PCIE-1805, you can identify each card in system with different
device numbers. The default value of board ID is 0 and if you need to adjust it to
other value, please set the SW1 by referring to Table 3.1.
Default Setting is 0
Table 3.1: Board ID Setting (SW1)
SW1 Position 1 Position 2 Position 3 Position 4
BoardID Bit0 Bit1 Bit2 Bit3
0 ON ON ON ON
1 ON ON ON OFF
2 ON ON OFF ON
3 ON ON OFF OFF
4 ON OFF ON OFF
5 ON OFF ON OFF
6 ON OFF OFF ON
7 ON OFF OFF OFF
8 OFF ON ON ON
9 OFF ON ON OFF
10 OFF ON OFF ON
11 OFF ON OFF OFF
12 OFF OFF ON ON
13 OFF OFF ON OFF
14 OFF OFF OFF ON
15 OFF OFF OFF OFF
PCIE-1805 User Manual 16
3.3 Signal Connections
Pin Assignments
The I/O connector on the PCIE-1805 is a 62-pin connector that allows you to connect
to accessories with the PCL-10162 shielded cable.
Figure 3.2 shows the pin assignments for the 62-pin I/O connector on the PCIE-1805,
and Table 3.3 shows its I/O connector signal description.
Figure 3.2 62-pin I/O Connector Pin Assignments
17 PCIE-1805 User Manual
Chapter 3 Signal Connections
3.3.1 I/O Connector Signal Description
Pin Name Type Pin# Description
Analog Input
AI0 I 21 Analog input channel 0
AI1 I 42 Analog input channel 1
AI2 I 20 Analog input channel 2
AI3 I 41 Analog input channel 3
AI4 I 19 Analog input channel 4
AI5 I 40 Analog input channel 5
AI6 I 18 Analog input channel 6
AI7 I 39 Analog input channel 7
AI8 I 17 Analog input channel 8
AI9 I 38 Analog input channel 9
AI10 I 16 Analog input channel 10
AI11 I 37 Analog input channel 11
AI12 I 15 Analog input channel 12
AI13 I 36 Analog input channel 13
AI14 I 14 Analog input channel 14
AI15 I 35 Analog input channel 15
AI16 I 13 Analog input channel 16
AI17 I 34 Analog input channel 17
AI18 I 12 Analog input channel 18
AI19 I 33 Analog input channel 19
AI20 I 11 Analog input channel 20
AI21 I 32 Analog input channel 21
AI22 I 10 Analog input channel 22
AI23 I 31 Analog input channel 23
AI24 I 9 Analog input channel 24
AI25 I 30 Analog input channel 25
AI26 I 8 Analog input channel 26
AI27 I 29 Analog input channel 27
AI28 I 7 Analog input channel 28
AI29 I 28 Analog input channel 29
AI30 I 6 Analog input channel 30
AI31 I 27 Analog input channel 31
Timing Signals
DTRG0 I 5 External digital trigger 0
DTRG1 I 26 External digital trigger 1
CCLKI I 4 External conversion clock input
Power and Ground
+12V - 22 +12 V power supply for external use
+5V - 1 +5 V power supply for external use
AGND - 47 ~ 63 Ground for analog signals
DGND - 43 ~ 46 Ground for digital signals
RESERVED
PCIE-1805 User Manual 18
3.3.2 Measurement Mode Selection
Current Measurement Setting (SW2 & SW3)
PCIE-1805 provides a function current measurement of ranging 0-20mA or 4-20mA
for users to choose from. To use this function, you should follow below procedure:
1. Set corresponded current measurement channel on SW2 and SW3 (Voltage:
OFF, Current: ON)
2. Set the channel to differential
3. Set the value range to 0-20mA or 4-20mA
3.3.3 Analog Input Connections
PCIE-1805 supports 32 single-ended analog inputs and 16 differential inputs.
Differential Channel Connections
The differential input channels operate with two signal wires for each channel, and
the voltage difference between both signal wires is measured.
If one side of the signal source is connected to a local ground, the signal source is
ground-referenced. Therefore, the ground of the signal source and the ground of the
card will not be exactly the same voltage. The difference between the ground volt-
ages forms a common-mode voltage (Vcm).
To avoid the ground loop noise effect caused by common-mode voltages, you can
connect the signal ground to the Low input. Figure 3-3 shows a differential channel
connection between a ground reference signal source and an input channel on the
PCIE-1805. With this connection, the PGIA rejects a common-mode voltage Vcm
between the signal source and the PCIE-1805 ground, shown as Vcm in Figure 3-4.
NA - 2 Reserved
NA - 3 Reserved
NA - 23 Reserved
NA - 24 Reserved
NA - 25 Reserved
SW2
Switch No. Channel Switch No. Channel
1 CH0 & 1 5 CH8 & 9
2 CH2 & 3 6 CH10 & 11
3 CH4 & 5 7 CH12 & 13
4 CH6 & 7 8 CH14 & 15
SW3
1 CH16 & 17 5 CH24 & 25
2 CH18 & 19 6 CH26 & 27
3 CH20 & 21 7 CH28 & 29
4 CH22 & 23 8 CH30 & 31
19 PCIE-1805 User Manual
Chapter 3 Signal Connections
Figure 3.3 Differential Input Channel Connections
If a floating signal source is connected to the differential input channel, the signal
source might exceed the common-mode signal range of the PGIA, and the PGIA will
be saturated with erroneous voltage-readings. You must therefore reference the sig-
nal source against the AGND.
Figure 3-4 shows a differential channel connection between a floating signal source
and an input channel on the PCIE-1805. In this figure, each side of the floating signal
source is connected through a resistor to the AGND. This connection can reject the
common-mode voltage between the signal source and the PCIE-1805 ground
Figure 3.4 Differential Input Channel Connection - Floating Signal Source
PCIE-1805 User Manual 20
However, this connection has the disadvantage of loading the source down with the
series combination (sum) of the two resistors. For ra and rb, for example, if the input
impedance rs is 1k Ohm, and each of the two resistors is 100k Ohm, then the resis-
tors load down the signal source with 200 Ohm (100 Ohm+ 100 Ohm), resulting in a
-0.5% gain error. The following gives a simplified representation of the circuit and cal-
culating process.
AI Sample Clock Sources Connections
Internal AI Sample Clock
The internal AI sample clock uses a 100 MHz time base. Conversions start on the ris-
ing edge of the counter output. You can use software to specify the clock source as
internal and the sampling frequency to pace the operation. The minimum frequency
is 5.96 S/s, the maximum frequency is 1 MS/s. According to the sampling theory
(Nyquist Theorem), you must specify a frequency that is at least twice as fast as the
input’s highest frequency component to achieve a valid sampling. For example, to
accurately sample a 20 kHz signal, you have to specify a sampling frequency of at
least 40 kHz. This consideration can avoid an error condition often know as aliasing,
in which high frequency input components appear erroneously as lower frequencies
when sampling.
21 PCIE-1805 User Manual
Chapter 3 Signal Connections
External AI Sample Clock
The external AI sample clock is useful when you want to pace acquisitions at rates
not available with the internal AI sample clock, or when you want to pace at uneven
intervals. Connect an external AI sample clock to screw terminal CCLK on the screw
terminal board. Conversions will start on the rising edge of the external AI sample
clock input signal. You can use software to specify the clock source as external. The
sampling frequency is always limited to a maximum of 10 MHz for the external AI
sample clock input signal.
Figure 3.5 External Clock Source Connection
Trigger Sources Connections
External Digital (TTL) Trigger
For analog input operations, an external digital trigger event occurs when the PCIE-
1805 detects either a rising or falling edge on the External AI TTL trigger input signal
from screw terminal DTRG0 and DT . The triggerRG1 on the screw terminal board
signal is TTL-compatible.
Figure 3.6 External Digital Trigger Source Connection
PCIE-1805 User Manual 22
Analog Threshold Trigger
For analog input operations, an ana n the PCIE-1805log trigger event occurs whe
detects a transition from above a threshold level to below a threshold level (falling
edge), or a transition from below a threshold level to above a threshold level (rising
edge). The trigger source can be chosen from any of the analog input channels, i.e.
AI0 - AI31.
3.4 Field Wiring Considerations
When you use PCIE-1805 cards to acquire data from outside, noises in the environ-
ment might significantly affect the accuracy of your measurements if due cautions are
not taken. The following measures will be helpful to reduce possible interference run-
ning signal wires between signal sources and the PCIE-1805 card.
The signal cables must be kept away from strong electromagnetic sources such
as power lines, large electric motors, circuit breakers or welding machines,
since they may cause strong electromagnetic interference. Keep the analog sig-
nal cables away from any video monitor, since it can significantly affect a data
acquisition system.
If the cable travels through an area with significant electromagnetic interference,
you should adopt individually shielded, twisted-pair wires as the analog input
cable. This type of cable has its signal wires twisted together and shielded with
a metal mesh. The metal mesh should only be connected to one point at the sig-
nal source ground.
Avoid running the signal cables through any conduit that might have power lines
in it.
If you have to place your signal cable parallel to a power line that has a high
voltage or high current running through it, try to keep a safe distance between
them. Alternatively, you can place the signal cable at a right angle to the power
line to minimize the undesirable effect.
The signals transmitted on the cable will be directly affected by the quality of the
cable. In order to ensure better signal quality, we recommend that you use
PCL-10162 shielded cable.
Appendix A
ASpecifications
PCIE-1805 User Manual 24
A.1 Function Block
25 PCIE-1805 User Manual
Appendix A Specifications
A.2 Analog Input
A.2.1 Functions
Channels
32 single-ended/16 differential, or
mixed. Can be enabled/disabled each
channel independently by software
Input coupling DC
Input range ±10 V, ±5 V, ±2 V, ±1 V, 0 ~ 20 mA,
and 4 ~ 20 mA
A/D converter (ADC) resolution 16 bits
A/D converter (ADC) type Successive approximation (SAR)
Maximum sample rate (fs) 1 MS/s shared by all enabled channels
Sample clock source
Programmable internal source 100 MHz/n, where n = 100 ~
16777216
External source 0 ~ 1 MHz
Trigger mode Start trigger, delay to start trigger, stop
trigger, delay to stop trigger
Maximum working voltage for all analog inputs ±11 V for all ranges
Common-mode rejection ratio (CMRR, at 60 Hz) 85 dB
Input impedance
AI+ to AGND >1,000 GΩ in parallel with 9 pF
A+ to A- >1,000 GΩ in parallel with 6 pF
Input bias current 1pA
Input FIFO size 4,095 samples shared by all enabled
channels
Data transfers DMA, programmed I/O
Overvoltage protection for all channels ±15 V
PCIE-1805 User Manual 26
A.2.2 Voltage Measurement Accuracy
Gain error
Operating temperature within 5 °C of last auto-calibration temperature: < ±0.01
%
Over full operating temperature range: < ±0.03 %
Offset error
Operating temperature within 5 °C of last auto-calibration temperature: < ±0.5
mV
Over full operating temperature range: < ±1.5 mV
A.2.3 Current Measurement Accuracy
Gain error
Operating temperature within 5 °C of last auto-calibration temperature: < ±0.05
%
Over full operating temperature range: < ±0.15 %
Offset error
Operating temperature within 5 °C of last auto-calibration temperature: < ±2.5
μA
Over full operating temperature range: < ±10 μA
A.2.4 Dynamic Performance
A.3 Triggers
A.3.1 Analog Trigger
-3 dB bandwidth 3 MHz
RMS Noise 0.1 mV
Effective number of bits (ENOB) 17.5 Bits
Crosstalk (at 1kHz)
Adjacent Channels -75 dB
Non-adjacent Channels -77 dB
Trigger function Start trigger/delay to start trigger/stop trigger/delay to stop trigger
Delay range 1 ~ 16777216 samples
Channels 2
Source Any analog input channel
Threshold level Full scale of analog input range, software programmable
Resolution 16 bits
Hysteresis Software programmable
Polarity Rising edge/falling edge, software selectable
27 PCIE-1805 User Manual
Appendix A Specifications
A.3.2 External Digital Trigger
A.4 Timing Signals
A.4.1 Timing Signal Inputs
A.5 Output Capacity
A.6 General
Channels 2
Polarity Rising edge/falling edge, software selectable
Input high voltage (VIH) 2.0 V min.
Input low voltage (VIL) 0.8 V max.
Maximum input voltage 6.5 V
Minimum input voltage -0.5 V
Propagation delay 100 ns
+5 V 200 mA max.
+12 V 100 mA max.
Form factor x1 PCI Express, specification v1.1 compliant
Slot compatibility x1, x4, x8, and x16 PCI Express slots
Power Consumption
+3.3 V 300 mA typ./320 mA max.
+12 V 70 mA typ./90 mA max.
Printed circuits board
dimensions 168 × 99 mm (6.6 × 3.9 in.)
I/O connector 62-pin D-sub × 1
Operating temperature 0 to 60 °C (32 to 140 °F)
Storage temperature -40 to 70 °C (-40 to 158 °F)
Operating humidity 10 to 90% RH, non-condensing
Storage humidity 5 to 95% RH, non-condensing
PCIE-1805 User Manual 28
Appendix B
BOperation Theory
PCIE-1805 User Manual 30
B.1 Analog Input Operation
This section describes the following features of analog input operation theory that
can help you realize how to configure the functions and parameters to match various
applications.
AI Hardware Structure
Analog input ranges and gains
Analog data acquisition mechanism
Analog input acquisition modes
AI SCAN/CONV clock source
AI trigger sources
Analog input data format
B.1.1 AI Hardware Structure
The AI conversion hardware structure includes four major parts:
PGIA (Programmable Gain Instrument Amplifier) rectifies the input range and
amplify/alleviate input signal to match the input range of A/ D converter.
AI converter conceives the rectified voltage from PGIA and transfers it into the
corresponding digital data format.
Trigger/Clock control logic enables/disables the whole process and deter-
mines acquisition timing interval.
B.1.2 Analog Input Ranges and Gains
The PCIE-1805 can measure both unipolar and bipolar analog input signals. A unipo-
lar signal can range from 0 to 10 V FSR (Full Scale Range), while a bipolar signal
extends within ±10 V FSR. The PCIE-1805 provides various programmable gain lev-
els and each channel is allowed to set its own input range individually. Table B.1 lists
the effective ranges supported by the PCIE-1805 with gains.
For each channel, choose the gain level providing the most optimal range that can
accommodate the signal range you want to measure.
Tuotetiedot
| Merkki: | Advantech |
| Kategoria: | Ei luokiteltu |
| Malli: | PCIE-1805-AE |
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