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C-2
DriverLINX Configuration Notes
Model
Note:
In this section, “DAS-1800HC” refers to all models in the
DAS-1800HC Series. “DAS-1801” refers to the models with low range
analog input, while “DAS-1802” refers to the models with high range
analog input. A suffix, such as “HC,” designates models with certain
features. The suffix “XX-DA” refers to both the ST-DA and HR-DA
models.
DriverLINX for the Keithley DAS-1800HC supports the following
models:
DAS-1801ST
DAS-1801AO
DAS-1802ST
DAS-1802AO
DAS-1802HR
DAS-1801ST-DA
DAS-1801HC
DAS-1802ST-DA
DAS-1802HC
DAS-1802HR-DA
The primary differences among these boards are number of input
channels, A/D resolution, and analog output implementation. All
DAS-1800 models are fully software programmable except for the base
address. You must select the base address with a DIP switch. All 12-bit
versions share the same maximum A/D conversion rate of 333kHz. The
16-bit versions (DAS-1802HR and DAS-1802HR-DA) have a maximum
A/D conversion rate of 100kHz. All DAS-1800 models include a 1K
sample FIFO buffer and support burst mode sampling, software
programmable analog input gain and have a hardware channel/gain
queue. The channel/gain queue supports out-of-sequence channels and
different input channel gains.
The DAS-1801 boards have gains of 1, 5, 50, and 250 with unity gain
input range of ±5V. The DAS-1802 boards have gains of 1, 2, 4, and 8
with unity gain input range of ±10V. The DAS-1800ST has 16
single-ended or 8 differential analog input channels with 12-bit
resolution, 4 digital input lines, and 4 digital output lines. The
DAS-1802HR has 16-bit A/D resolution with a maximum sampling rate
of 100kHz and is otherwise the same as the ST. The DAS-1800HC is the
same as the ST except for 64 single-ended or 32 differential input
channels, two 12-bit DAC’s, and 8 digital outputs. The DAS-1800AO
features DMA data transfer and a 2K sample FIFO buffer for two 12-bit
DACs and is otherwise the same as the ST. The DAS-1800ST-DA has
four 12-bit DACs and the DAS-1802HR-DA has two 16-bit DACs.
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