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High Performance Analog & Digital I/O Boards

Article# OME-PCI-1800H

High Performance Analog & Digital I/O Boards OME-PCI-1800H OME-PCI-1800H
  • PCI Bus
  • 12-Bit 330 KHz A/D Converter
  • OME-PCI-1800H, OME-PCI-1800L: 16 Single-Ended/ 8 Differential Inputs, 2 K Word FIFO
  • OME-PCI-1802H, OME-PCI-1802L: 32 Single-Ended/16 Differential Inputs, 8 K Word FIFO
  • 330 K Samples/s Sampling Rates for Single Channel or Multiple Channels
  • Triggers Methods: Software-Trigger, Pacer-Trigger, External-Trigger
  • External Triggers: Post-Trigger, Pre -Trigger, External Pacer Trigger
  • OME-PCI-1800L, OME-PCI-1802L Programmable Low Gain: 0.5, 1, 2, 4, 8
  • 16 Digital Input/16 Digital Output Channels
  • OME-PCI-1800H, OME-PCI-1802H Programmable High Gain: 0.5, 1, 5, 10, 50, 100, 500, 1000
  • Two Optional 12-Bit Independent Programmable DAC’s 2 MHz Throughput per Channel (max)
  • 2.7 M Word/High Speed Data Transfer Rate
  • Includes Software Development Kit
  • Half Size Board

The OME-PCI-1800 series is a family of high performance data acquisition boards for the PCI bus. It features a continuous,330 KHz, gap-free data acquisition under DOS and Windows.

The OME-PCI-1800 family has two 12-bit D/A output channels,16 digital input channels and 16 digital output channels.

The OME-PCI-1800H and OME-PCI-1800L provide 16 single-ended or 8 differential inputs. The OME-PCI-1802H and OME-PCI- 1802L provide 32 single-ended or 16 differential inputs.The suffix “H ” denotes a high gain model and the “L ” denotes a low gain model.The boards feature advanced scanning features. The scanning mechanism not only scans the different input channels at vastly different rates,but also at different gains.Even in multi-channel scan mode,the sampling rates can be maintained at 330 KS/s.

The OME-PCI-1800 series also has some outstanding features, including:
• data transfer rate of digital I/O is up to 5.4 M bytes
• throughput of D/A is up to 2 MHz (max)
• three flexible external trigger modes such as post-trigger, pre-trigger, middle-trigger
• true "Plug & Play" under DOS and Windows
• on board FIFO

OME-PCI-1800 Series System Expansion
Several daughter boards are available which can expand the analog and digital I/O capability of the OME-PCI-1800 series high performance data acquisition boards. These include: OME-DB-1825; OME-DB-8225; OME-DB-8025; OME-DB-889D; OME-DB-16P; OME-DB-16R

OME-DB-889D 16-Channel Analog Multiplexer Board
The OME DB-889D is an expansion multiplexer/amplifier board for use with the OME-PCI-1800H/L boards. Each OME-DB-889D multiplexes 16 differential analog input channels into one analog input of the data acquisition board. The high grade instrumentation amplifier provides software programmable gains of 0.5, 1, 5, 10, 50, 100, 500 and 1000. Thermocouple measurements are handled easily with the OME-DB-889D. The board includes cold-junction sensing and compensation circuitry that provides a scaling of
24.4 mV/°C. Biasing resistors are included for open thermocouple detection. The OME-DB-889D can be cascaded to a total of 128 channels of voltage measurements or 112 channels of thermocouple measurement.

OME-DB-16P 16-Channel Isolated Digital Input Board
The OME-DB-16P is a 16-channel isolated digital input daughter board for any of the OME-PCI-1802H/1802L/1800H/1800L/1602/1602F/1202H/1202L/1002H/1002L PCI-Bus multi-function boards. The optically isolated inputs of the OME-DB-16P consist of a bi-directional OPTO-coupler with a resistor for current sensing. The OME-DB-16P can be used to sense DC signals from TTL levels up to 24V and also a wide range of AC signals. The OME-DB-16P can also be used to isolate the computer from large common-mode voltages, ground loops and voltage spikes that often occur in industrial environments.

OME-DB-16R 16-Channel Relay Output Board
The OME-DB-16R 16-channel relay output board consists of 16 form C relays for efficient switching of loads by programmed control. The OME-DB-16R can be used with any of the OME-PCI-1802H/1802L/1800H/1800L/1602/1602F/1202H/1202L/1002H/1002L PCI-Bus multi-function boards. The relays are energized by applying a 5-V signal to the appropriate relay channel on the 20-pin flat cable connector. Sixteen annunciator LED’s, one for each relay, light when their associated relay is activated. To avoid overloading the PC’s power supply, this board provides a screw terminal connection for a power supply.

Software Development Kit
All data acquisition boards are supplied with a standard software development kit for Windows 98/NT/2000/XP. The software development kit includes DLL files for programming in C, C++ or other high level languages and OCX files for Visual Basic or Active X programming. LabView drivers are also included.


Input Channels:
OME-PCI-1802H/L, 32 SE/16 Diff;
OME-PCI-1800H/L, 16 SE/8 Diff
Resolution: 12-bits
Conversion Rate: 330 KS/s
Input Impedance: 10,000 M //6pf
Overvoltage Protection: ± 35 V
Accuracy: 0.01% of reading, ±1-bit
On Board FIFO: OME-PCI-1800 H/L:2K
OME-PCI-1802 H/L:8K

Type: 12-bit Double Buffers
Linearity: 0.06%FS
Settling Time: 0.4 mS
Output Range: ±5 V or ±10 V
Output Driving: ±5 mA

16 channels; TTL levels
Input Low:VIL =0.8 V max, I IL =4 mA
Input High:VIH =2.0 V min, I IH =-20 µA max
Output:16 channels: TTL levels
Output Low:VOL =0.5 V max, I OL =4 mA max
Output High:VOH =2.7 V min, I OH =-400 µA max

Power Requirements:

+5 V @350 mA (max)
Operating Temperature:
0 to 50 °C (32 to 122°F)
Storage Temperature:
-20 to 70 °C (-4 to 158°F)
Humidity:0 to 90%RH non-condensing
190 L x 105 mm H
(7.5 x 4.1")
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