PCI-1720U User Manual vi
Table 4.3: Register for D/A Voltage Range and Polarity ..... 20
Table 4.4: Output Range of D/A Channel n ......................... 20
4.2.3 Synchronized Output Prompt Register ................................... 21
4.2.4 Synchronized Output Control Bitt .......................................... 21
Table 4.5: Synchronized Output Control Bit ........................ 21
4.3 Unipolar and Bipolar Binary Code Tables ................................ 22
Table 4.6: Unipolar Binary Code Table ............................... 22
Table 4.7: Bipolar Binary Code Table .................................. 22
Chapter 5 Signal Connections ........................................ 24
5.1 Overview ................................................................................... 24
5.2 D/A Voltage Output Connections.............................................. 24
Figure 5.1: Floating-load Conn. for D/A Voltage Output24
Figure 5.2: Grounded-load Conn. for D/A Voltage Output ... 25
Figure 5.3: Differential-load Conn. for D/A Voltage Output 25
5.3 Current Sink Connections.......................................................... 26
Figure 5.4: Grounded-load conn. w/ a floating power supply 26
Figure 5.5: Floating-load conn. w/ a grounded power supply 26
Figure 5.6: Floating-load Conn. with an Internal +12 VDC Pow-
er Supply .............................................................. 27
5.4 Current Sink Load and Power Supply ....................................... 27
Figure 5.7: PCI-1720U Current Sink Circuitry ...................... 27
Appendix A Calibration ..................................................... 30
A.1 Overview ................................................................................... 30
Figure A.1:PCI-1720U VR assignment ................................. 30
A.2 Unipolar Output Calibration...................................................... 31
A.3 Bipolar Output Calibration ........................................................ 31
A.4 Current Sink Calibration............................................................ 32
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