Omega 1002 - Manual (Page 22)

Figure
2-6
R is a shunt resistor. A 250 Ω shunt resistor converts 4-20mA to 1-5Vdc.
Signal Shielding
z
The signal shielding connections in Figure 2-3 to Figure 2-6 are all the same
z Use a single connection to frame ground (not A.GND or D.GND)
Vin
OME-PCI-1002
A.GND
D.GND
Frame Ground
22