Low Cost 12-Bit Data Acquisition System
Discontinued Product

DAQ-800 Series

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40 KHz Sampling Rate with True 12-Bit Resolution
Eight Channel Single-Ended or Differential
Channel Scan Capability with Various Gain for Each Channel
1024 x 16 FIFO Data Buffer
Programmable Gain of 1, 10, 100 and 1000 for DAQ-801 and 1, 2, 4, and 8 for DAQ-802
Two 12-Bit D/A Channels, One 16-Bit Timer/Counter and 32-Bit Digital I/O
Interrupt Handling Capability

商品説明

The DAQ-800 is no longer available. Please see the OME-PCI-1002 as a possible PCI alternative or contact our Data Acquisition department.

OMEGA’s DAQ-801/802 is a low cost data acquisition system with 12-bit resolution, eight channel analog input, two channel D/A output, 32-bit digital I/O, and one 16-bit programmable timer/counter for ISA bus computers (IBM PC/AT or compatible). The maximum sampling rate is 40 KHz for A/D with internal or external triggering.

The DAQ-801/802 offers software selectable eight channel singleended or differential analog inputs with 12-bit resolution. The input voltage can be either unipolar or bipolar, and is jumper selectable. DAQ-801 provides programmable gains of 1, 10, 100, and 1000. The DAQ-802 has programmable gains of 1, 2, 4 and 8. Both the DAQ-801 and DAQ-802 have auto zeroing and self-calibrating facility for A/D conversion. The main D-37 connector on the board accessed through the rear of the PC is for analog I/O, control lines and 8-bit digital I/O. A second auxiliary D-37 connector is provided for the additional 24 digital I/O lines from an 8255 programmable peripheral interface chip.

There is a 1024 sample data FIFO available which provides a cushion for the data stream coming from the output of the A/D converter. This protects data integrity when using an interrupt routine under Windows or other operating systems. SCAN LIST capability is also provided for scanning the input channels with their corresponding gains. Sequential scanning between any two channels can be programmed.

The DAQ-801/802 can be installed in any available I/O base address location without conflict with presently installed devices. The board can be enabled or disabled through software manipulation. The interrupt levels are register selectable through software from IRQ 2-7, 10-12, 14 and 15. The 24 digital I/O lines for the second D-37 connector are directly from an 8255 programmable peripheral interface chip.

Software
The DAQ-800 is supplied with DaqEZ software. DaqEZ is a Windows application which provides real-time data display and datalogging to disk. Once the data is stored to disk, it may be imported to spread sheet and other data analysis programs. Also supplied are software drivers. The software drivers provide support for various programming languages such as Microsoft C/C++, QuickBasic, and Turbo Pascal. A dynamic link library (DLL) is furnished for programming most languages under Microsoft Windows.

UIO-37
Both the main analog I/O connector and the auxiliary digital I/O connector use a standard male 37 pin D-type format. For easy field wiring to these connectors the UIO- 37 terminal panel may be used. One UIO-37 is needed for each connector. A CP-DAQ cable is also required to connect each UIO-37 to the DAQ-800.

SPECIFICATIONS

ANALOG INPUT
Maximum Sampling Rate: 40 KHz (all gains)
Channels: 8 differential
Input Ranges: ±5V
ACCURACY
Gain <1000: 0.05% FS (typical), 0.25% FS (maximum)
Gain = 1000: 0.1% FS (typical), 1.0% FS (maximum)
Output Data Codes: Twos complement
GAIN RANGES
Mode 801: 1, 10, 100, 1000
Mode 802: 1, 2, 4, 8
Input Impedance: 1MOhm
Input Bias Current: 50 pA
Surge Protection Up To: ±20 V
Resolution: 12-bit + sign
CONVERSION TIME
With Auto Zeroing: 25.6 µs
Without Auto Zeroing: 15.2 µs
Convert Type: Successive approximation
Size of Scan List: 8 samples
Zero Error: Adjustable to 0
Gain Error: Adjustable to 0
Resolution: 12-bits

ANALOG OUTPUT
Channels: 2
Output Ranges: 0-5 V, 0-10 V, ±5 V, ±10 V (jumper selectable)
Output Data Coding: Straight binary
DIGITAL I/O (8 BITS ON MAIN D-37 CONNECTOR)
Output Bits: 4
Low/High Voltage: 0.4/3.8 V
Source/Sink Current: 0.5/2.5 mA
Input Bits: 4 TTL compatible Timer/Counters Number of Counters: 1, down
Type: 82C54 DIGITAL I/O (24 BITS ON AUXILIARY CONNECTOR)
Type: CMOS 8255A
I/O: 24 bits
POWER REQUIREMENTS
+5 Vdc: 750 mA typ, 900 mA max
-5 Vdc: 15 mA typ, 20 mA max
+12 Vdc: 60 mA typ, 80 mA max
-12 Vdc: 60 mA typ, 80 mA max
ENVIRONMENTS
Operating Temperature: 0 to 70
Interrupt Level: 3-7, 9-12, 14, 15
Humidity: 0 to 95%
Dimensions: Long: 7" (18 cm)
High: 4.8" (12 cm)
Connectors
The analog inputs and eight digital I/O are connected through a male 37-pin D-type connector at the rear of the computer. An auxiliary male D-37 connector is employed to support additional 24-bit digital I/O.

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部品番号/Desc.

注文数

商品説明

DAQ-801

お問い合せ下さい

納期:

Data acquisition board with gains of 1, 10, 100 & 1000

DAQ-802

お問い合せ下さい

納期:

Data acquisition board with gains of 1, 2, 4 & 8

UIO-37

お問い合せ下さい

納期:

Terminal strip, can be used for main or auxiliary connector. Requires CP-DAQ cable

CP-DAQ

お問い合せ下さい

納期:

D-37 male to D-37 female shielded cable

注: Comes with complete operator’s manual, DaqEZ and driver software on CD rom.

製品マニュアル:

ダウンロード DAQ-800 operator's manual

ダウンロード Daqdrive software manual

ダウンロード Daqdrive Supplemental manual

Low Cost 12-Bit Data Acquisition System Discontinued Product

DAQ-800 Series

Low Cost 12-Bit Data Acquisition System
Discontinued Product