B&B Electronics PCI-1711 - Manual - Manual (Page 49)

Chapter 5
– 41 – PCI-1710 series User’s Manual Advantech Co., Ltd.
www.advantech.com
5.2 PCI-1711/1711L Calibration
Three calibration programs are included on the companion CD-ROM :
ADCAL.EXE A/D calibration program
DACAL.EXE D/A calibration program (only for PCI-1711)
SELFCAL.EXE D/A self-calibration program (only for PCI-1711)
These calibration programs are designed only for the DOS environ-
ment. Access these programs from the default location:
C:\Program Files\Advantech\ADSAPI\Utility\PCI1711
VR Assignment
There are four variable resistors (VRs) on the PCI-1711 card and two
variable resistors (VRs) on the PCI-1711L card. These variable resistors
are to facilitate accurate adjustments for all A/D and D/A channels.
Please refer to the following figure for the VR positions.
Figure 5-2: PCI-1711/1711L VR assignment
The following list 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)
PCI-1711 Series
CN1
VR1 VR2 VR3 VR4