Advantech PCI-1710UL Manual de usuario Pagina 3
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16-3
8
5
44
10
9
IPC Chassis
8
7
Video Surveillance
6
Serial Comm. Cards
Device Servers
Display Solutions
3
Panel Computers
2
Fanless Panel PCs
1
Operator Panels
11
Industrial Motherboards
12
Embedded IPCs
13
Mobile Computers
14
IPC Peripherals
15
DAQ
16
Ethernet Switches
Signal Conditioning
17
USB DAQ
18
SBCs and Backplanes
Pre-Configured Systems
Data Acquisition & Control Hardware
Data acquisition and control hardware generally performs one or more of the following
functions: analog input, analog output, digital input, digital output and counter/timer
functions. This section will discuss each function and list some considerations that are
important when you select a data acquisition and control system.
Analog Inputs (A/D)
Analog to digital (A/D) conversion changes analog voltage or current levels into digital
information. The conversion is necessary to enable a computer to process or store the
signals.
DAQ Tutorial & Software
The most significant criteria when selecting A/D hardware are:
1. Number of input channels
2. Single-ended or differential input signals
3. Sampling rate (in samples per second)
4. Resolution (usually measured in bits of resolution)
5. Input range (specified in full-scale volts)
6. Noise and nonlinearity
Analog Outputs (D/A)
The opposite of analog to digital conversion is digital to analog (D/A) conversion. This
operation converts digital information into analog voltage or current. D/A devices allow
a computer to control real-world events.
Getting Started
Advantech: The Source For What You Need
Advantech manufactures data acquisition hardware and software for measurement,
monitoring and applications control. The following guide is provided to help you choose
components for your data acquisition system.
Step 1: Know Your Fundamental Goal
Decide whether your DAQ system will be used primarily for measurement, monitoring,
control, or analysis. Know the data requirements of your process, and know the number
of data collection points in your system. Know the required data collection speed, the
sampling rate, the type of measurement, the voltage or current being produced, the desired
accuracy and the output resolution at each data collection point. Finally, know the timing
of events in your system, and any special environmental conditions that exist.
Step 2: Hardware Selection
Select the hardware required to achieve your fundamental goal. Advantech provides plug-in
boards for Analog-to-Digital, Digital-to-Analog, Digital I/O needs. Both ISA and PCI bus
products are available. Your hardware selection should be based on five major criteria:
1. Number and types of channels
2. Differential or single-ended inputs
3. Resolution
4. Speed
5. Software compatibility with hardware
Step 3: Accessory Selection
Most applications require additional accessories which are available as separate items.
These include:
1. Expansion peripherals to add channels to your system
2. Cables, signal conditioners and external boxes such as screw terminals or BNC
accessories
Step 4: Software Selection
More than any other single factor, software will determine your system start-up time, as
well as its effectiveness, suitability for your application, and ease of modification.
Three major criteria should determine the choice of software:
1. Operating system used
2. User programming expertise
3. Software compatibility with hardware
Analog output signals may directly control process equipment. The process can give
feedback in the form of analog input signals. This is referred to as a closed loop control
system with PID control. Analog outputs can also be used to generate waveforms. In this
case, the device behaves as a function generator.
Digital Inputs and Outputs
Digital input/output functions are useful in applications such as contact closure and switch
status monitoring, industrial On/Off control and digital communications.
Counter/Timer
A counter/timer can be used for event counting, flowmeter monitoring, frequency counting,
pulse width measurement, time period measurement, and so on.
- Data Acquisition Boards 1
- Data Acquisition and Control 2
- Tutorial & Software 2
- DAQ Tutorial & Software 3
- Getting Started 3
- ActiveDAQ Pro Introduction 4
- System Requirements 5
- Glossary 6
- Card Selection Guide 10
- Selection Guide 11
- Online Download 17
- PCI-1710U/UL 18
- PCI-1710HGU 18
- PCI-1711U/UL 20
- PCI-1712/L 22
- PCI-1716/L 24
- PCI-1716L 25
- PCI-1718HDU 26
- PCI-1741U 28
- PCI-1742U 28
- PCI-1741U PCI-1742U 29
- PCL-711B 30
- PCL-812PG 31
- PCL-818HD/HG 32
- PCL-818L 32
- Ordering Information 33
- Pin Assignments 33
- PCIE-1744 34
- PCI-1714U 35
- PCI-1714UL 35
- PCI-1713U 36
- PCI-1715U 37
- PCI-1747U 38
- PCL-813B 39
- PCI-1720U 40
- PCI-1721 41
- PCI-1723 42
- PCI-1724U 43
- PCI-1727U 44
- Analog Output 45
- Digital Input 45
- Digital Output 45
- Digital Input (PCL-726) 46
- Digital Output (PCL-726) 46
- PCI-1735U 47
- PCI-1737U 48
- PCI-1739U 48
- PCI-1751 49
- PCI-1753 50
- PCI-1753E 50
- Transfer Characteristics 51
- PCI-1757UP 52
- PCL-720+ 53
- 54
- PCL-724 55
- PCI-1730U 56
- PCI-1733 56
- PCI-1734 56
- PCI-1750 57
- PCI-1752U 58
- PCI-1754 58
- PCI-1756 58
- PCI-1758UDI 59
- PCI-1758UDO 59
- PCI-1758UDIO 59
- PCI-1760U 60
- PCI-1761 61
- PCI-1762 62
- Isolated Digital Input 63
- Non-isolated Digiteal Input 63
- Relay Output 63
- PCI-1780U 65
- PCI-1671UP 67
- PCM-3810I 68
- PCM-3813I 68
- PCM-3718H/HG/HO 69
- PCM-3724 69
- PCM-3725 70
- PCM-3730 70
- PCM-3780 70
- PCM-3730I 71
- PCM-3753I 71
- PCM-3761I 71
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