ICP DAS USA PCI-1002L User Manual page 21

PCI-1002 Series Card
12-bit, 110 kS/s or 44 kS/s Multi-function Board

Figure 2-8: Signal Shielding
Signal shielding connections in
Use a single-point connection to frame ground (not A.GND or D.GND)
Vin
Figure 2-3 to Figure 2-7
Frame Ground
User Manual, Ver. 3.0, Jun. 2018, PMH-015-30, Page: 20
are all the same, as show in the below figure.
PCI-1002 Series card
A.GND
D.GND