Advantech PCI-1710HGU Manuale Utente Scaricare il pdf (Pagina 47)

41 Appendix C

C.1 VR Assignment

The five variable resistors (VRs) on the PCI-1710U/HGU/UL board help

you make accurate adjustment on all A/D and D/A channels. See the fig-

ure in Appendix C for help finding the VRs. The following list shows the

function of each VR:

Figure C.1: PCI-1710U VR Assignment

VR Function

VR1 A/D unipolar offset

VR2 A/D bipolar offset

VR3 A/D full scale

VR4 (PCI-1710U/HGU) D/A0 full scale

VR5 (PCI-1710U/HGU) D/A1 full scale

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Advantech PCI-1710HGU Manuale Utente Pagina 47