Measurement-computing USB-3102 Manual de usuario descargar pdf (Pagina 15)

USB-3102 User's Guide Functional Details

29 VOUT1

30 IOUT1

31 VOUT3

32 IOUT3

33 AGND

38 AGND

39 NC

43 AGND

50 DGND

51 ITEST

52 CTR

53 DGND

54 DIO CTL

55 DGND

56 +5V

48 AGND

49 SYNCLD

VOUT0 1

IOUT0 2

VOUT2 3

IOUT2 4

AGND 5

AGND 10

AGND 15

AGND 20

DIO0 21

DIO1 22

DIO2 23

DIO3 24

DIO4 25

DIO5 26

DIO6 27

DIO7 28

Figure 5. USB-3102 signal pin out

Analog voltage output terminals (VOUT0 to VOUT3)

The screw terminal pins labeled VOUT0 to VOUT3 are voltage output terminals (see Figure 5). The voltage

output range for each channel is software-programmable for either bipolar or unipolar. The bipolar range is

±10 V, and the unipolar range is 0 to 10 V.

Each D/A converter output controls a voltage and current channel pair simultaneously. When you write to a

voltage output, its associated current output is also updated. Each channel pair can be updated individually or

simultaneously.

Leave each pair of unused voltage and current outputs disconnected.

Analog current output terminals (IOUT0 to IOUT3)

The screw terminal pins labeled IOUT0 to IOUT3 are current output terminals (see Figure 5). The current range

for each channel is 0 to 20 mA.

Each D/A converter output controls a voltage and current channel pair simultaneously. When you write to a

current output, its associated voltage output is also updated. Each channel pair can be updated individually or

simultaneously. Leave each pair of unused voltage and current outputs disconnected.

Figure 6 shows a typical analog current output circuit. A minimum of 8 VDC must be available at IOUTn. A

maximum of 36 VDC external excitation voltage is used to power the loop. Consider the drop across the load

when selecting the supply voltage.

A typical application uses a 24 V loop supply. The loop can use either a grounded load where the supply floats,

or a grounded supply where the load floats. Each connection method is shown in Figure 6.

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 26 27

Comentarios a estos manuales

Sin comentarios

Measurement-computing USB-3102 Manual de usuario Pagina 15

Comentarios a estos manuales

Relacionado con productos y manuales para Hardware Measurement-computing USB-3102