HP 9112 manual Internal Reference Voltage Setting, 12 ∙ Installation

Models: 9112

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JP4(PCI-9112) JP5(cPCI-9112)

D/A CH1 is External

INTREF

INTREF

D/A CH2 is External

 

 

 

ExtRef1

ExtRef2

D/A CH1 is External

INTREF

INTREF

D/A CH2 is Internal

 

 

 

ExtRef1

ExtRef2

D/A CH1 is Internal

INTREF

INTREF

D/A CH2 is External

 

 

 

ExtRef1

ExtRef2

D/A CH1 is Internal

INTREF

INTREF

D/A CH2 is Internal

 

 

(default setting)

ExtRef1

ExtRef2

 

Figure 2.4 Analog Output Voltage Setting

The internal A/D reference voltage can be set to –5V or –10V by JP3. The possible configurations are specified as Figure 2.5. Note that the internal reference voltage is used only when the JP4 is set to internal reference only.

R e f e r e n c e V o l t a g e i s

- 1 0 V

 

 

 

 

 

 

 

 

J P 3

- 5V (default setting)

- 5 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R e f e r e n c e V o l t a g e i s

- 1 0 V

 

 

 

 

 

 

 

 

 

 

 

 

J P 3

- 1 0 V

- 5 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 2.5 Internal Reference Voltage Setting

Note : If the -10V D/A reference voltage is selected, the D/A output range is 0V~10V. On the other hand, if the -5V is selected, the D/A output range is 0V~5V.

12 Installation

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HP 9112 manual Internal Reference Voltage Setting, 12 ∙ Installation