Advantech PCI-1720 Instrukcja Użytkownika Pobierz pdf (Strona 34)

30 PCI-1720 User's Manual

A.1 Overview

The PCI-1720 card uses eight variable resistors (VRs), two for each

channel, which allow you to calibrate each of the card’s four output

channels. The following information outlines the function of each

VR. Refer to the illustration shown below for the locations of the PCI-

1720’s VRs.

Figure A-1: PCI-1720 VR assignment

VR1 Channel 0’s full scale (gain) adjustment.

VR2 Channel 1’s full scale (gain) adjustment.

VR3 Channel 2’s full scale (gain) adjustment.

VR4 Channel 3’s full scale (gain) adjustment.

VR5 Channel 0’s offset adjustment.

VR6 Channel 1’s offset adjustment.

VR7 Channel 2’s offset adjustment.

VR8 Channel 3’s offset adjustment.

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Advantech PCI-1720 Instrukcja Użytkownika Strona 34