Beijing ART Tech PXI8622 User manual

PXI8622
User’s Manual
Beijing ART Technology Co., Ltd.

PXI8622 Data Acquisition V6.0.15
Contents
Contents.............................................................................................................................................................................. 2
Chapter 1 Overview ........................................................................................................................................................... 3
Chapter 2 Components Layout Diagram and a Brief Description..................................................................................... 5
2.1 The Main Components 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
2.2.3 Physical ID of DIP Switch......................................................................................................................... 5
2.2.4 Status Light................................................................................................................................................ 6
Chapter 3 Signal Connectors............................................................................................................................................. 7
3.1 The Definition of Signal Input and Output Connectors........................................................................................ 7
Chapter 4 Connection Ways for Each Signal ..................................................................................................................... 8
4.1 AD Input Signal Connection Mode ...................................................................................................................... 8
4.1.1 AD Single-ended Input Connection Mode ................................................................................................ 8
4.1.2 AD Double-ended Input Connection Mode............................................................................................... 8
4.2 Digital Input/Output Connection Mode................................................................................................................ 8
4.4 Methods of Realizing the Multi-card Synchronization ........................................................................................ 9
Chapter 5 The Instruction of the AD Trigger Function.................................................................................................... 11
5.1 AD Internal Trigger Mode.................................................................................................................................. 11
5.2 AD External Trigger Mode................................................................................................................................. 11
Chapter 6 Methods of using AD Internal and External Clock Function.......................................................................... 14
6.1 Internal Clock Function of AD ........................................................................................................................... 14
6.2 External Clock Function of AD.......................................................................................................................... 14
6.3 Methods of Using AD Continuum and Grouping Sampling Function ............................................................... 14
6.3.1 AD Continuum Sampling Function......................................................................................................... 14
6.3.2 AD Grouping Sampling Function............................................................................................................ 15
Chapter 7 Notes, Calibration and Warranty Policy......................................................................................................... 18
7.1 Notes .................................................................................................................................................................. 18
7.2 Analog Signal Input Calibration......................................................................................................................... 19
7.3 Warranty Policy.................................................................................................................................................. 19
Products Rapid Installation and Self-check...................................................................................................................... 20
Rapid Installation ..................................................................................................................................................... 20
Self-check................................................................................................................................................................. 21
Delete Wrong Installation......................................................................................................................................... 21
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PXI8622 Data Acquisition V6.0.15
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 PXI8622 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 PXI8622 is a data acquisition module based on PXI bus. It can be directly inserted into IBM-PC/AT or a computer
which is compatible with PXI8622 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.
¾PXI8622 Data Acquisition Board
¾ART Disk
a) user’s manual (pdf)
b) drive
c) catalog
¾Warranty Card
FEATURES
AD analog input
¾Input Range: ±10V, ±5V, ±2.5, 0～10V, 0～5V
¾16-bit resolution
¾Sampling Rate: 1Hz～250KHz
¾Analog Input Mode: 32SE/16DI
¾Data Read Mode: non-empty, half-full inquiry mode, DMA mode and inquiry mode
¾Memory Depth: 8K word FIFO memory
¾Memory Signs: non-empty, half-full and overflow
¾AD Mode: continuum sampling , grouping sampling
¾Group Interval: software-configurable, minimum value is sampling period, maximum value is 419430uS
¾Loops of Group: software-configurable, minimum value is one time , maximum value is 255 times
¾Board Clock Output Frequency: the real sampling frequency of the current AD
¾Clock Source: external clock, internal clock( software-configurable)
¾Trigger Mode: software trigger, hardware trigger(external trigger)
¾Trigger Type: level trigger , edge trigger
¾Trigger Direction: negative, positive, positive and negative trigger
¾Trigger Source: DTR
¾Trigger Source DTR Input Range: standard TTL level
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PXI8622 Data Acquisition V6.0.15
¾AD Conversion Time: ≤10uS
¾Programmable Gain: 1, 2, 4, 8 times (AD8251)or 1, 2, 5, 10 times (AD8250) or 1, 10, 100, 1000 times
(AD8253)
¾Analog Input Impedance: 10MΩ
¾Amplifier Set-up Time: 785nS(0.001%)(max)
¾Non-linear error: ±3LSB(Maximum)
¾System Measurement Accuracy: 0.01%
¾Operating Temperature Range: 0℃ ～55℃
¾Storage Temperature Range: -20℃～70℃
DI digital input
¾Channel No.: 14-channel
¾Electric Standard: TTL compatible
¾High Voltage: ≧2V
¾Low Voltage: ≦0.8V
DO digital output
¾Channel No.: 14-channel
¾Electrical Standard: CMOS compatible
¾High Voltage: ≧4.45V
¾Low Voltage: ≦0.5V
¾Power-on Reset
Other features
Board Clock Oscillation: 40MHz
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PXI8622 Data Acquisition V6.0.15
Chapter 2 Components Layout Diagram and a Brief Description
2.1 The Main Components Layout Diagram
2.2 The Function Description for the Main Component
2.2.1 Signal Input and Output Connectors
CN1: analog signal input and output connectors
2.2.2 Potentiometer
RP1: AD analog signal input zero-point adjustment potentiometer
RP2: AD analog signal input full-scale adjustment potentiometer
2.2.3 Physical ID of DIP Switch
DID1: Set physical ID number. When the PC is installed more than one PXI8622 , you can use the DIP switch to set a
physical ID number for each board, which makes it very convenient for users to distinguish and visit each board in the
progress of the hardware configuration and software programming. The following four-place numbers are expressed by
the binary system: When DIP switch points to "ON", that means "1", and when it points to the other side, that means
"0." As they are shown in the following diagrams: place "ID3" is the high place."ID0" is the low place, and the black
part in the diagram represents the location of the switch. (Test softwares of the company often use the logic ID
management equipments and at this moment the physical ID DIP switch is invalid. If you want to use more than one
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PXI8622 Data Acquisition V6.0.15
kind of the equipments in one and the same system at the same time, please use the physical ID as much as possible. As
for the differences between logic ID and physical ID, please refer to the function explanations of "CreateDevice" and
"CreateDeviceEx" of The Prototype Explanation of Device Object Management Function in PXI8622S software
specification).
ON
1
ID0ID1ID2ID3
234
ON
DID1
The above chart shows"1111", so it means that the physical ID is 15.
ON
1
ID0ID1ID2ID3
234
ON
DID1
The above chart shows"0111", so it means that the physical ID is 7.
ON
1
ID0ID1ID2ID3
234
ON
DID1
The above chart shows"0101", so it means that the physical ID is 5.
ID3 ID2 ID1 ID0 物理ID（Hex）物理ID（Dec）
OFF（0） OFF（0） OFF（0） OFF（0） 0 0
OFF（0） OFF（0） OFF（0） ON（1） 1 1
OFF（0） OFF（0） ON（1） OFF（0） 2 2
OFF（0） OFF（0） ON（1） ON（1） 3 3
OFF（0） ON（1） OFF（0） OFF（0） 4 4
OFF（0） ON（1） OFF（0） ON（1） 5 5
OFF（0） ON（1） ON（1） OFF（0） 6 6
OFF（0） ON（1） ON（1） ON（1） 7 7
ON（1） OFF（0） OFF（0） OFF（0） 8 8
ON（1） OFF（0） OFF（0） ON（1） 9 9
ON（1） OFF（0） ON（1） OFF（0） A 10
ON（1） OFF（0） ON（1） ON（1） B 11
ON（1） ON（1） OFF（0） OFF（0） C 12
ON（1） ON（1） OFF（0） ON（1） D 13
ON（1） ON（1） ON（1） OFF（0） E 14
ON（1） ON（1） ON（1） ON（1） F 15
2.2.4 Status Light
+5VD: 5V digital power supply status light, on for normal.
OVR: FIFO overflows status light, on for overflow.
AD Read: read FIFO status light. When the light is scintillating, it shows that it is reading FIFO.
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PXI8622 Data Acquisition V6.0.15
Chapter 3 Signal Connectors
3.1 The Definition of Signal Input and Output Connectors
68-core plug on the CN1 pin definition
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
55
54
53
52
51
50
49
48
47
46
45
44
68
67
66
65
64
63
20
21
22
23
24
25
62
61
60
59
58
57
56
26
27
28
29
30
31
32
33
34
43
42
41
40
39
38
37
36
35
AI1
AI3
AI5
AI7
AI9
AI11
AI13
AI15
AI17
AI19
AI21
AI23
AI25
AI27
AI29
AI31
AGND
DGND
DI0
DI2
DI4
DI6
DI8
DI10
DI12
DO0
DO2
DO4
DO6
DO8
DO10
DO12
DTR
CLKOUT
AI0
AI2
AI4
AI6
AI8
AI10
AI12
AI14
AI16
AI18
AI20
AI22
AI24
AI26
AI28
AI30
AGND
DGND
DI1
DI3
DI5
DI7
DI9
DI11
DI13
DO1
DO3
DO5
DO7
DO9
DO11
DO13
DGND
CLKIN
Pin definition about AD:
Pin name Type Pin function definition
AI0～AI31 Input AD analog input, reference ground is AGND.
DI0～DI13 Input Digital input.
DO0～DO13 Output Digital output.
AGND Analog ground. This AGND pin should be connected to the system’s AGND plane.
DGND Digital ground. Ground reference for Digital circuitry.
CLKIN Input External clock input, please use DGND as reference ground.
CLKOUT Output Internal clock output, when allow clock output, it is internal clock output, otherwise it
is CNT counter output. DGND for reference ground.
DTR Input Digital trigger signal input, choose DGND as reference ground.
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PXI8622 Data Acquisition V6.0.15
Chapter 4 Connection Ways for Each Signal
4.1 AD Input Signal Connection Mode
4.1.1 AD Single-ended Input Connection Mode
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.
Figure 4.1.1 single-ended input connection Figure 4.1.2 double-ended input connection
4.1.2 AD Double-ended Input Connection Mode
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 PXI8622 software manual.
According to the diagram below, PXI8622 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
16-channel analog input signal is connected to AI0~AI15, the negative side of the analog input signal is connected to
AI16-~AI31-, equipments in industrial sites share the AGND with PXI8622 board.
4.2 Digital Input/Output Connection Mode
Figure 4.2 .1digital signal input connection Figure 4.2.2 digital signal output connection
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PXI8622 Data Acquisition V6.0.15
Figure 4.2.3 clock input / output and trigger signal connection
4.4 Methods of Realizing the Multi-card Synchronization
Three methods can realize the synchronization for the
PXI8622, 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.
Slave Card 2
CLKOUT
CLKIN
CLKIN Slave Card 1
Master Card
When using the common external trigger, please make
sure all parameters of different PXI8622 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 PXI8622, input triggering
signal from ART pin or DTR pin, then click “Start
Sampling” button, at this time, PXI8622 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:
PXI8622
External Trigger Signal
DTR
DTR
DTR PXI8622
PXI8622
Note: when using the DTR, use the internal clock mode
When using the common external clock trigger, please
make sure all parameters of different PXI8622 are the
same. At first, configure hardware parameters, and use
external clock, then connect the signal that will be
sampled by PXI8622, input trigger signal from ART pin
or DTR pin, then click “Start Sampling” button, at this
time, PXI8622 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
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PXI8622 Data Acquisition V6.0.15
following figure:
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