NI 9752 Automotive AD Combo Module User Manual

NI 9752 Automotive AD Combo Module User Manual

The circuit output to the RIO FPGA reverses the polarity of the input by going low when the input voltage is greater than 2.0 V. The output goes high when the input is less than 1.0 V.

Figure 11 shows the standard configuration of the Hall-effect sensor input circuits.

Figure 11.

Hall-Effect Circuit Input Configuration

Channel

1

2

3

6

7

4

5

8

9

10

Standard Circuit Configuration

The NI 9752 comes with a standard configuration as illustrated in Table 1 below.

Pull-up

Resistor

open open open open open open open open open open

Table 1.

Standard Analog Configuration

Pull-down

Resistor

1 kΩ

1 kΩ

1 kΩ

51 kΩ

51 kΩ

51 kΩ

51 kΩ

51 kΩ

51 kΩ

51 kΩ

Divide

Resistor

5.6 k

5.6 k

5.6 kΩ

0 Ω

0 Ω

0 Ω

0 Ω

0 Ω

0 Ω

0 Ω

Break

Frequency

200 Hz

200 Hz

200 Hz

500 Hz

500 Hz

500 Hz

500 Hz

500 Hz

500 Hz

500 Hz

Intended Use

33 V Measurement

33 V Measurement

33 V Measurement

Active/Pot

Active/Pot

Active/Pot

Active/Pot

Active/Pot

Active/Pot

Active/Pot

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| NI 9752 User Manual

17

18

19

20

21

22

Channel

11

12

13

14

15

16

Table 1.

Standard Analog Configuration (Continued)

Pull-up

Resistor

open open open open open open

1 kΩ

1 kΩ

1 kΩ

1 kΩ

Pull-down

Resistor

51 kΩ

51 kΩ

51 kΩ

51 kΩ

51 kΩ

51 kΩ open open open open

Divide

Resistor

0 Ω

0 Ω

0 Ω

0 Ω

0 Ω

0 Ω

0 Ω

0 Ω

0 Ω

0 Ω

1 kΩ open 0 Ω

2.5 V (0.2%) Precision Reference

Break

Frequency

500 Hz

500 Hz

500 Hz

500 Hz

500 Hz

500 Hz

500 Hz

500 Hz

500 Hz

500 Hz

500 Hz

Intended Use

Active/Pot

Active/Pot

Active/Pot

Active/Pot

Active/Pot

Active/Pot

Thermistor/Switch

Thermistor/Switch

Thermistor/Switch

Thermistor/Switch

Thermistor/Switch

Channel

1

2

Table 2.

Standard VR Configuration

VR Amplitude Voltage

60 VDC

60 VDC

Channel

1

2

Pull-up

Resistor

4.7 kΩ

Table 3.

Standard Hall Configuration

Pull-down

Resistor

open

Divide

Resistor

0 Ω

Break

Frequency

150 kHz

4.7 kΩ open 0 Ω 150 kHz

Intended Use

Hall, Proximity,

Switch or TTL

Hall, Proximity,

Switch or TTL

NI 9752 User Manual | © National Instruments | 11

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