ART Technology Development PCI8025 User manual

PCI8025
User’s Manual
BeijingART Technology Development Co., Ltd.

PCI8025DataAcquisitionCard V7.002
Contents
Contents................................................................................................................................................................................1
Chapter 1 Overview..............................................................................................................................................................2
Chapter 2 Components Layout Diagram and a Brief Description .......................................................................................5
2.1 The Main Component Layout Diagram ..................................................................................................................5
2.2 The Function Description for the Main Component ...............................................................................................5
2.2.1 Signal Input and Output Connectors ............................................................................................................5
2.2.2 Potentiometer ...............................................................................................................................................5
Chapter 3 Signal Connectors................................................................................................................................................6
3.1 Analog Input/Output Connector..............................................................................................................................6
3.2 Digital Input Connector ..........................................................................................................................................7
3.3 Digital Output Connector........................................................................................................................................7
Chapter 4 Each Signal Connection Method..........................................................................................................................8
4.1 Analog Input Connection ........................................................................................................................................8
4.2 Analog Output Connection......................................................................................................................................9
4.3 Trigger Signal Connection ......................................................................................................................................9
4.4 Digital Input Connection.........................................................................................................................................9
4.5 Digital Output Connection ....................................................................................................................................10
4.6 Frequency Measurement Connection....................................................................................................................10
4.7Methods of Realizing the Multi-card Synchronization ..........................................................................................10
Chapter 5 The Instruction Trigger Function.......................................................................................................................12
5.1 Internal Trigger Mode ...........................................................................................................................................12
5.2 External Trigger Mode ..........................................................................................................................................12
5.3 AD Internal and External Clock Function.............................................................................................................14
5.3.1 Internal Clock Function of AD...................................................................................................................14
5.3.2 External Clock Function of AD..................................................................................................................14
5.4 Frequency Measuring Principium.........................................................................................................................14
5.4.1 PWM Principium .......................................................................................................................................14
5.4.2 Frequency Count Principium .....................................................................................................................15
Chapter 6 Note and Warranty Policy..................................................................................................................................16
6.1 Notes .....................................................................................................................................................................16
6.2 Analog Signal Input Calibration............................................................................................................................16
6.3 Analog Signal Output Calibration.........................................................................................................................16
6.4Warranty Policy......................................................................................................................................................16
Products Rapid Installation and Self-check ........................................................................................................................18
Rapid Installation ........................................................................................................................................................18
Self-check ...................................................................................................................................................................18
Delete Wrong Installation ...........................................................................................................................................18
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PCI8025DataAcquisitionCard V7.002
Chapter 1 Overview
In the fields of Real-time Signal Processing, Digital Image Processing and others, high-speed and high-precision data
acquisition modules are demanded. ART PCI8025 data acquisition module, which brings in advantages of similar
products that produced in china and other countries, is convenient for use, high cost and stable performance.
ART PCI8025 is a data acquisition module based on PCI bus. It can be directly inserted into IBM-PC/AT or a computer
which is compatible with PCI8025 to constitute the laboratory, product quality testing center and systems for different
areas of data acquisition, waveform analysis and processing. It may also constitute the monitoring system for industrial
production process.
Unpacking Checklist
Check the shipping carton for any damage. If the shipping carton and contents are damaged, notify the local dealer or
sales for a replacement. Retain the shipping carton and packing material for inspection by the dealer.
Check for the following items in the package. If there are any missing items, contact your local dealer or sales.
¾PCI8025 Data Acquisition Board
¾ART Disk
a) user’s manual (pdf)
b) drive
c) catalog
¾Warranty Card
FEATURES
Analog Input
¾converter type: AD7899-1 (compatible with AD7899-2)
¾Input Range:
AD7899-1: ±1.25V, ±2.5V, ±5V, ±10V
AD7899-2: 0~2.5V, 0~5V
¾14-bit resolution
¾Sampling Rate: The maximum sampling rate of asynchronous is 1.6MHz (0.625 ms/point)
The minimum sampling rate of asynchronous is 0.04Hz (about 25s/point)
The maximum sampling rate of synchronous is 400KHz/ch (2.5ms/point)
The minimum sampling rate of synchronous is 0.01Hz/ch (100s/point)
Note: The actual channel sampling rate = sampling rate / number of sampling channels (asynchronous sampling)
The actual channel sampling rate = sampling rate (Synchronous sampling)
Frequency Formula: sampling frequency= main frequency/the number of frequency division, main frequency =
80MHz, 32-bit frequency division, the number of frequency division range: 200~232.
¾Input Channels: 4 channels
¾Channel Switching Mode: 4-channel 4-chip work independently
¾Data Read Mode: software inquiry and DMA mode
¾Memory Depth: 64K word RAM memory
¾AD Mode: asynchronous and synchronous
¾Clock Source: internal clock, external clock (software configuration)
¾Trigger Mode: software trigger, hardware trigger (external trigger)
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PCI8025DataAcquisitionCard V7.002
¾Trigger Type: level trigger, edge trigger
¾Trigger level: 4,096 software adjustable, trigger level achieved by the analog output AO0
¾Analog trigger source software selectable: AI0, AI1, AI2, AI3, ATR
¾Analog trigger source (ATR) input range: ±15V
¾Programmable Gain: 1 time
¾Analog Input Impedance: 10MΩ
¾Analog input common-mode voltage range: <± 2V
¾Non-linear error: ±1LSB(Maximum)
¾System Measurement Accuracy: 0.05%
¾Operating Temperature Range: 0℃~50℃
¾Storage Temperature Range: -20℃~70℃
Analog Output
¾Output Range: ±10V, ±5V, 0~10V, 0~5V
¾12-bit resolution
¾Set-up Time: 10μs (0.01%)
¾Update Rate: The maximum update rate is 100KHz (10us/points)
The minimum sampling rate decided by the user software
¾Channel No.: 1-channel
¾Output Impedance: 0.2Ω
¾Non-linear error: ±1LSB(Maximum)
¾Output Error (full-scale): ±1LSB
¾Operating Temperature Range: 0℃~50℃
¾Storage Temperature Range: - 20℃~70℃
Digital Input
¾Input channels: 16
¾Electronic standard: TTL compatible
¾Maximum Sink Current: less than 0.5mA
¾High level: ≥2V
¾Low level: ≤0.8V
Digital Output
¾Output channels: 16
¾Electronic standard: CMOS compatible
¾Maximum drop-down current: 20mA
¾Maximum pull-up current: 2.6mA
¾High level: ≥3.4V
¾Low level: ≤0.5V
Frequency Measurement Function
¾Frequency Measurement Types: pulse width measurement frequency (analog frequency measurement), counting
measurement frequency (digital measurement frequency)
¾Pulse Direction: negative pulse, positive pulse, either negative or positive pulse
¾Trigger Source: ATR, AI0, AI1, AI2 and AI3 (pulse-width measurement frequency parameters)
¾Trigger Level: <±15V (pulse-width measurement frequency parameters)
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PCI8025DataAcquisitionCard V7.002
¾Counter Timing: <107S (digital measurement frequency parameters)
Other Features
¾Board Clock Oscillation: 40MHz
¾Board Dimension: 183mm (L) * 100mm (W)*13.50mm (H)
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PCI8025DataAcquisitionCard V7.002
Chapter 2 Components Layout Diagram and a Brief Description
2.1 The Main Component Layout Diagram
2.2 The Function Description for the Main Component
2.2.1 Signal Input and Output Connectors
CNI: Analog signal input and output connector
P1: Digital input port
P2: Digital output port
2.2.2 Potentiometer
RP20, RP26, RP28, and RP32: Analog input 0, 1, 2, 3 channels zero-point adjustment potentiometer
RP25, RP26, RP31, and RP33: Analog input 0, 1, 2, 3 channels full-scale adjustment potentiometer
VR_-1.25: adjust the DA converter -1.25V reference voltage
VR-DA: Analog output full-scale adjustment potentiometer
VAR9: Analog output zero-point adjustment potentiometer
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PCI8025DataAcquisitionCard V7.002
Chapter 3 Signal Connectors
3.1 Analog Input/Output Connector
CN1: 25-pin D-type
Pin definition
Name Color Description
AI0+~AI3+ Input
The positive of analog differential input signals
AI0-~AI3- Input
The negative of analog differential input signals
AO0 Output
Analog output
AGND GND
Analog ground
DGND GND
Digital ground
ATR Input
External trigger signal (analog), reference ground is AGND.
DTR Input
Counting measurement frequency, reference ground is DGND.
+5V Output
Output 5V, supply 100mA(max)
CLKIN Input
External clock input, reference ground is DGND.
CLKOUT Output
Internal clock output, reference ground is DGND.
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PCI8025DataAcquisitionCard V7.002
3.2 Digital Input Connector
20-pin definition
Pin Name Direction Description
DI0~DI15 Input Digital input.
DGND GND Digital ground.
+5V Output
Output 5V, supply 100mA(max)
3.3 Digital Output Connector
Pin Name Direction Description
DO0~DO15 Output Digital output.
DGND GND Digital ground.
+5V Output
Output 5V, supply 100mA(max)
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PCI8025DataAcquisitionCard V7.002
Chapter 4 Each Signal Connection Method
4.1 Analog Input Connection
Single-ended mode can achieve a signal input by one channel, and several signals use the common reference ground.
This mode is widely applied in occasions of the small interference and relatively many channels.
AGND
AI0+
AI0-
+
Device
Analog signal
AI1+
AI1-
+
Device
AI3+
AI3-
+
Device
_
_
_
Figure 4.1 single-ended input connection
Double-ended input mode, which was also called differential input mode, uses positive and negative channels to input a
signal. This mode is mostly used when biggish interference happens and the channel numbers are few.
Single-ended/double-ended mode can be set by the software, please refer to PCI8025 software manual.
According to the diagram below, PCI8025 board can be connected as analog voltage double-ended input mode, which
can effectively suppress common-mode interference signal to improve the accuracy of acquisition. Positive side of the
8-channel analog input signal is connected to AI0+~AI3+, the negative side of the analog input signal is connected to
AI0-~AI3-, equipments in industrial sites share the AGND with PCI8025 board.
Figure 4.2 Differential-ended input mode
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PCI8664 Data Acquisition Card
4.2 Analog Output Connection
Figure 4.3 analog signal output connection
4.3 Trigger Signal Connection
4.4 Digital Input Connection
DI1
DI2
DI15
DGND
DI0
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PCI8664 Data Acquisition Card
4.5 Digital Output Connection
DO1
DO2
DO15
DGND
DO0
4.6 Frequency Measurement Connection
4.7Methods of Realizing the Multi-card Synchronization
Three methods can realize the synchronization for the PCI8025 the first method is using the cascade master-slave card,
the second one is using the common external trigger, and the last one is using the common external clock.
When using master-slave cascade card programs, the master card generally uses the internal clock source model, while
the slave card uses the external clock source mode. After the master card and the slave card are initialized according to
the corresponding clock source mode. At first, start all the slave cards, as the main card has not been activated and there
is no output clock signal, so the slave card enters the wait state until the main card was activated. At this moment, the
multi-card synchronization has been realized. When you need to sample more than channels of a card, you could
consider using the multi-card cascaded model to expand the number of channels.
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PCI8664 Data Acquisition Card
Slave Card 2
CLKOUT
CLKIN
CLKIN Slave Card 1
Master Card
When using the common external trigger, please make sure all parameters of different PCI8025 are the same. At first,
configure hardware parameters, and use analog or digital signal triggering (ATR or DTR), then connect the signal that
will be sampled by PCI8025, input triggering signal from ART pin or DTR pin, then click “Start Sampling” button, at
this time, PCI8025 does not sample any signal but waits for external trigger signal. When each module is waiting for
external trigger signal, use the common external trigger signal to startup modules, at last, we can realize synchronization
data acquisition in this way. See the following figure:
When using the common external clock trigger, please make sure all parameters of different PCI8025 are the same. At
first, configure hardware parameters, and use external clock, then connect the signal that will be sampled by PCI8025,
input trigger signal from ART pin or DTR pin, then click “Start Sampling” button, at this time, PCI8025 does not sample
any signal, but wait for external clock signal. When each module is waiting for external clock signal, use the common
external clock signal to startup modules, at last, we realize synchronization data acquisition in this way. See the
following figure:
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PC8025 Data Acquisition
Chapter 5 The Instruction Trigger Function
5.1 Internal Trigger Mode
When A/D is in the initialization, if the hardware parameter ADPara.TriggerMode = PCI8025_TRIGMODE_SOFT, we
can achieve the internal trigger acquisition. In this function, when calling the StartDeviceProAD function, it will
generate A/D start pulse, A/D immediately access to the conversion process and not wait for the conditions of any other
external hardware. It also can be interpreted as the software trigger.
As for the specific process, please see the figure below, the cycle of the A/D work pulse is decided by the sampling
frequency.
F
igure 5.1 Internal Trigger Mode
The first working
pulse after the A/D
start pulse
Start Enable
Convert Pulse
5.2 External Trigger Mode
When AD is in the initialization, if the AD hardware parameter ADPara.TriggerMode = PCI8025_TRIGMODE_POST,
we can achieve the external trigger acquisition. In this function, when calling the StartDeviceProAD function, AD will
not immediately access to the conversion process but wait for the external trigger source signals accord with the
condition, then start converting the data. It also can be interpreted as the hardware trigger. Trigger source is ATR (Analog
Trigger Source). AO0 supports the trigger level.
ATR
Tri
gg
er Level
R
esu
l
t
Comparer
Figure 5.2 Analog compare
The trigger modes include the edge trigger and level trigger.
(1) Edge trigger function
Edge trigger is to capture the characteristics of the changes between the trigger source signal and the trigger level signal
to trigger AD conversion. When TriggerType=PCI8025_TRIGTYPE_EDGE, it is the edge trigger type.
When ADPara.TriggerDir = PCI8025_TRIGDIR_NEGATIVE, choose the trigger mode as the falling edge trigger. That
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PC8025 Data Acquisition
is, when the ATR trigger signal is on the falling edge, AD will immediately access to the conversion process, and its
follow-up changes have no effect on AD acquisition.
When ADPara.TriggerDir = PCI8025_TRIGDIR_POSITIVE, choose the trigger mode as rising edge trigger. That is,
when the ATR trigger signal is on the rising edge, AD will immediately access to the conversion process, and its
follow-up changes have no effect on AD acquisition.
When ADPara.TriggerDir = PCI8025_TRIGDIR_POSIT_NEGAT, choose the trigger mode as rising or falling edge
trigger. That is, when the ATR trigger signal is on the rising or falling edge, AD will immediately access to the
conversion process, and its follow-up changes have no effect on AD acquisition. This function can be used in the case
that the acquisition will occur if the exoteric signal changes.
（2）Triggering level function
Level trigger is to capture the condition that trigger signal is higher or lower than the trigger level to trigger AD
conversion. When ADPara.TriggerType = PCI8025_TRIGTYPE_PULSE, it is level trigger type.
When ADPara.TriggerDir = PCI8025_TRIGDIR_NEGATIVE, AD is in the conversion process if the ATR is lower than
the trigger level. And AD conversion will automatically stop if the ATR is higher than the trigger level. AD's work status
changes with changes of ATR.
AT R
AD Working Pulse
AD Start Pulse
The waiting time
The falling edge
before the AD started
is invalid
The first falling edge after the
AD started is valid
Figure 5.2.1 Falling edge Trigger
The first working pulse
after triggered
Trigger Level
AD Working Pulse
AD Start Pulse
The waiting time
The falling edge before
the AD started is invalid
The low level after the AD
started is valid
Figure 5.2.2 Low Level Trigger
The first pulse afte
r
the AD triggered
Trigger Level
Pause
mode
The low level after the AD
started is valid
Analog Trigger Signal
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PC8025 Data Acquisition
When ADPara.TriggerDir = PCI8025_TRIGDIR_POSITIVE, AD is in the conversion process if the ATR is higher than
the trigger level. And AD conversion will automatically stop if the ATR is lower than the trigger level. AD's work status
changes with changes of ATR.
When ADPara.TriggerDir = PCI8025_TRIGDIR_POSIT_NEGAT, it means the trigger level is low. The effect is the
same as the internal software trigger.
5.3 AD Internal and External Clock Function
5.3.1 Internal Clock Function ofAD
Internal Clock Function refers to the use of on-board clock oscillator and the clock signals which are produced by the
user-specified frequency to trigger the AD conversion regularly. To use the clock function, the hardware parameters
ADPara.ClockSource = PCI8025 _CLOCKSRC_IN should be installed in the software. The frequency of the clock in the
software depends on the hardware parameters ADPara.Frequency. For example, if Frequency = 100000, that means AD
work frequency is 100000Hz (that is, 100 KHz, 10uS/point).
5.3.2 External Clock Function ofAD
External Clock Function refers to the use of the outside clock signals to trigger the AD conversion regularly. The clock
signals are provide by the CLKIN pin of the CN1 connector. The outside clock can be provided by PCI8025 clock
output (OUTCLK of CN1), as well as other equipments, for example clock frequency generators. To use the external
clock function, the hardware parameters ADPara.ClockSource = PCI8025_CLOCKSRC_OUT should be installed in the
software. The clock frequency depends on the frequency of the external clock, and the clock frequency on-board (that is,
the frequency depends on the hardware parameters ADPara.Frequency) only functions in the packet acquisition mode
and its sampling frequency of the AD is fully controlled by the external clock frequency.
5.4 Frequency Measuring Principium
5.4.1 PWM Principium
When an unknown frequency signal is a low frequency signal, we use pulse-width-frequency measurement. Because the
frequency signal compare with the trigger level that is set in the comparator, comparator output signal is detected by
hardware and returns two times, time t0 and t1, time t0+ t1 is the cycle of frequency signal, thus the frequency of
frequency signal can be drawn, see the following figure:
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PC8025 Data Acquisition
Comparator output signal
t 0
t 1
Measured frequency
Trigger level
Schematic diagram of pulse frequency measurement
5.4.2 Frequency Count Principium
When an unknown frequency signal is a digital high-frequency signal, we use frequency count. In this mode, first, set the
timing time t0 of the counter, then hardware tests the number (n) of count in the t0, the frequency signal cycle can be
calculated, then we can get the signal frequency, see the following figure:
Timing timet0, Pulse number n
Schematic diagram of frequency measurement count
As shown above, the frequency signal frequency is 1/ (t0 / n).
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PC8025 Data Acquisition
Chapter 6 Note and Warranty Policy
6.1 Notes
In our products’ packing, user can find a user manual, a PCI8025 module and a quality guarantee card. Users must keep
quality guarantee card carefully, if the products have some problems and need repairing, please send products together
with quality guarantee card to ART, we will provide good after-sale service and solve the problem as quickly as we can.
When using PCI8025, in order to prevent the IC (chip) from electrostatic harm, please do not touch IC (chip) in the
front panel of PCI8025 module.
6.2 Analog Signal Input Calibration
Every device has to be calibrated before sending from the factory. It is necessary to calibrate the module again if users
want to after using for a period of time or changing the input range. PCI8025 default input range: ±10V, in the manual,
we introduce how to calibrate PCI8025 in ±10V, calibrations of other input ranges are similar.
Prepare a digital voltage instrument which the resolution is more than 5.5 bit, install the PCI8025 module, and then
power on, warm-up for fifteen minutes.
1) Zero adjustment: connect 0V to AI0, AI1, AI2, AI3, and then run ART Data Acquisition Measurement Suite in
the WINDOWS. Adjust potentiometer RP20, RP26, RP28, and RP32 in order to make the voltage of AI0, AI1,
AI2, AI3 are 0.000V.
2) Full-scale adjustment: connect 10V to AI0, AI1, AI2, AI3, and then run ART Data Acquisition Measurement
Suite in the WINDOWS. Adjust potentiometer RP25, RP26, RP31, and RP33 in order to make the voltage of
AI0, AI1, AI2, AI3 are 9998.78mV.
3) Repeat steps above until meet the requirement.
6.3 Analog Signal Output Calibration
In the manual, we introduce how to calibrate PCI8025 in ±5V output range; calibrations of other input ranges are similar.
1）Connect the ground of the digital voltage meter to any analog AGND of the D-type plug. Connect the input side
of the voltage meter to the output channel which needs calibration. Run PCI8025 test procedure under Windows,
select the AO output detection.
2) To set AO output is 2048，adjust potentiometer VAR9 in order to make AO output 0.000V (unipolar: DA is set to
0).
3 To set AO output is 4095, adjust potentiometer VR_DA in order to make AO0 output voltage value is 4997.55mV
(unipolar and bipolar full-scale calibration are the same).
4）Repeat steps above until meet the requirement.
6.4Warranty Policy
Thank you for choosing ART. To understand your rights and enjoy all the after-sales services we offer, please read the
following carefully.
1. Before using ART’s products please read the user manual and follow the instructions exactly. When sending in
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PC8025 Data Acquisition
damaged products for repair, please attach an RMA application form which can be downloaded from:
www.art-control.com.
2. All ART products come with a limited two-year warranty:
¾The warranty period starts on the day the product is shipped from ART’s factory
¾For products containing storage devices (hard drives, flash cards, etc.), please back up your data before sending
them for repair. ART is not responsible for any loss of data.
¾Please ensure the use of properly licensed software with our systems. ART does not condone the use of pirated
software and will not service systems using such software. ART will not be held legally responsible for products
shipped with unlicensed software installed by the user.
3. Our repair service is not covered by ART's guarantee in the following situations:
¾Damage caused by not following instructions in the User's Manual.
¾Damage caused by carelessness on the user's part during product transportation.
¾Damage caused by unsuitable storage environments (i.e. high temperatures, high humidity, or volatile chemicals).
¾Damage from improper repair by unauthorized ART technicians.
¾Products with altered and/or damaged serial numbers are not entitled to our service.
4. Customers are responsible for shipping costs to transport damaged products to our company or sales office.
5. To ensure the speed and quality of product repair, please download an RMA application form from our company
website.
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PC8025 Data Acquisition
Products Rapid Installation and Self-check
Rapid Installation
Product-driven procedure is the operating system adaptive installation mode. After inserting the disc, you can select the
appropriate board type on the pop-up interface, click the button【driver installation】; or select CD-ROM drive in
Resource Explorer, locate the product catalog and enter into the APP folder, and implement Setup.exe file. After the
installation, pop-up CD-ROM, shut off your computer, insert the PCI card. If it is a USB product, it can be directly
inserted into the device. When the system prompts that it finds a new hardware, you do not specify a drive path, the
operating system can automatically look up it from the system directory, and then you can complete the installation.
Self-check
At this moment, there should be installation information of the installed device in the Device Manager (when the device
does not work, you can check this item.). Open "Start -> Programs -> ART Demonstration Monitoring and Control
System -> Corresponding Board -> Advanced Testing Presentation System", the program is a standard testing procedure.
Based on the specification of Pin definition, connect the signal acquisition data and test whether AD is normal or not.
Connect the input pins to the corresponding output pins and use the testing procedure to test whether the switch is
normal or not.
Delete Wrong Installation
When you select the wrong drive, or viruses lead to driver error, you can carry out the following operations: In Resource
Explorer, open CD-ROM drive, run Others-> SUPPORT-> PCI.bat procedures, and delete the hardware information that
relevant to our boards, and then carry out the process of section I all over again, we can complete the new installation.
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