Advantech PCI-1710HG Specifiche Pagina 78

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68
VR Assignment
There are four variable resistors (VRs) on the PCI-1711 card and two
variable resistors (VRs) on the PCI-171L card. These variable
resistors are to facilitate accurate adjustments for all A/D and D/A
channels. Please refer to the following two figures for the VR
positions.
Fig. 5-2 PCI-1711/1711L VR assignment
The following lis t shows the function of each VR :
VR Function
VR1 A/D bipolar offset adjustment
VR2 A/D full scale (gain) adjustment
VR3
D/A channel 0 full scale adjustment
(for PCI-1711 only)
VR4
D/A channel 1 full scale adjustment
(for PCI-1711 only)
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