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PCIE-1805 User Manual 2
PCIE-1805 is an advanced high-performance analog input card based on the PCIe
x1 Bus. With a large FIFO of 4K samples, the maximum sampling rate of PCIE-1805
is up to 1MkS/s shared by maximum 32 channels.
1.1 Features
 32-ch single-ended or 16-ch differential analog input, up to 1MS/s
 16-bit resolution for A/D conversion
 ±10 V to ±1 V voltage measurement
 0 ~ 20 mA or 4 ~ 20 mA current measurement
 Full auto-calibration
 Supports digital and analog triggers
 Multi-card synchronization
PCIE-1805 offers the following main features:
PCIe-Bus Plug & Play
The PCIE-1805 card uses a PCIe controller to interface the card to the PCI Express
bus. The controller fully implements the PCI Express Base Specification v1.1. All con-
figurations related to the bus, such as base address and interrupt assignment, are
automatically controlled by software. No jumper or switch is required for user configu-
ration.
Onboard Buffer Memory
There is a 4k-sample buffer for AI on PCIE-1805. This is an important feature for
faster data transfer and more predictable performance.
Configurable Measurement Mode
PCIE-1805 provides a function current measurement of ranging 0-20mA or 4-20mA
for users to choose from. It provides an onboard dip-switch for users to change mea-
surement mode between voltage and current.
BoardID Switch
The PCIE-1805 has a built-in DIP switch that helps define each card’s ID when multi-
ple PCIE-1805 cards have been installed on the same PC chassis. The BoardID set-
ting function is very useful when building a system with multiple PCIE-1805 cards.
With the correct BoardID settings, you can easily identify and access each card dur-
ing hardware configuration and software programming.
Note! For detailed specifications and operation theory of the PCIE-1805,
please refer to Appendices A and B.