Chapter 5

Analog Output Data Format

Table 5-4: Analog Output Data Format

 

D/A code

Mapping Voltage

 

 

 

 

 

Hex.

 

Dec.

Unipolar

Bipolar

 

 

 

 

 

000h

 

0d

0

-FS/2

 

 

 

 

 

7FFh

 

2047d

FS/2 - 1 LSB

-1 LSB

 

 

 

 

 

800h

 

2048d

FS/2

0

 

 

 

 

 

FFFh

 

4095d

FS - 1 LSB

FS/2 - 1 LSB

 

 

 

 

 

 

1 LSB

FS/4096

FS/4096

 

 

 

 

 

Table 5-5: The corresponding Full Scale values for various Output

Voltage Ranges

Reference

 

Uniplar

 

Bipolar

Source

Range

 

FS

Range

 

FS

 

 

 

 

 

 

 

Internal

0 ~ 5 V

 

5

± 5 V

 

10

 

 

 

 

 

 

0 ~ 10 V

 

10

± 10 V

 

20

 

 

 

 

 

 

 

 

 

 

External

0 ~ x V

 

x

± x V

 

2x

 

 

 

 

 

 

 

5.3 Digital I/O Features

The PCI-1712/1712L supports 16 digital I/O channels. These I/O channels are divided into two bytes: specifically a low byte, DIO0 to DIO7; and a high byte, DIO8 to DIO15. You can use each byte as either an input port or an output port by configuration register; and all eight channels of the byte have the same configuration. For detailed information, please refer to Appendix D.16 Digital I/O configuration registers.

In digital I/O function, you do not need to specify the clock source or trigger source. When you want to output data, you just need to write the data to the digital output channel through software. In the same way, you can use software to read the data from digital input channel.

The default configuration after power on, hardware reset or software reset is to set all the digital I/O channels to logic-low so that users need not worry about damaging external devices during system start up or reset.

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Konica Minolta PCI-1712L user manual Digital I/O Features, Analog Output Data Format

PCI-1712L, PCI-1712 specifications

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