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PCI-1002 Series Card
12-bit, 110 kS/s or 44 kS/s Multi-function Board
Figure 2-4: Single-ended input with floating signal source
A/D CH0
A/D CH1
A/D CH n
AGND
Figure 2-5: Differential input with floating thermocouple signal
A/D CH 0 HI
A/D CH 0 LO
A/D CH n HI
A/D CH n LO
A. GND
In
Figure
2-5, the maximum common mode voltage between the analog input source
CAUTION:
and the AGND is 70 V
p-p
mode voltage is over 70 V
Do not join LO to A.GND at the computer
. Make sure that the input signal is under specification first! If the common
, the input multiplexer will be permanently damaged.
p-p
Es
Note: If the input signal is not
thermocouple, the user should
use an oscilloscope to
measure common mode
voltage of Vin before
connecting to PCI-1002 series
card. Don't use a voltage
meter or multi-meter.
User Manual, Ver. 3.0, Jun. 2018, PMH-015-30, Page: 18
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