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15

SCXI-1104/C Calibration Procedure

Table 4.  

Front Signal Pin Assignments

Front Connector Diagram

Pin Number

Column A

Column B

Column C

NC—No Connection

RSVD—Reserved

32

CH GND

CH 0–

CH 0+

31

NC

CH 1–

CH 1+

30

NC

CH 2–

CH 2+

29

NC

CH 3–

CH 3+

28

NC

CH 4–

CH 4+

27

NC

CH 5–

CH 5+

26

NC

CH 6–

CH 6+

25

NC

CH 7–

CH 7+

24

CH GND

CH 8–

CH 8+

23

NC

CH 9–

CH 9+

22

NC

CH 10–

CH 10+

21

NC

CH 11–

CH 11+

20

NC

CH 12–

CH 12+

19

NC

CH 13–

CH 13+

18

NC

CH 14–

CH 14+

17

NC

CH 15–

CH 15+

16

CH GND

CH 16–

CH 16+

15

NC

CH 17–

CH 17+

14

NC

CH 18–

CH 18+

13

NC

CH 19–

CH 19+

12

NC

CH 20–

CH 20+

11

NC

CH 21–

CH 21+

10

NC

CH 22–

CH 22+

9

NC

CH 23–

CH 23+

8

NC

CH 24–

CH 24+

7

NC

CH 25–

CH 25+

6

NC

CH 26–

CH 26+

5

CH GND

CH 27–

CH 27+

4

RSVD

CH 28–

CH 28+

3

RSVD

CH 29–

CH 29+

2

CH GND

CH 30–

CH 30+

1

+5 V

CH 31–

CH 31+

Column

A      B      C

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

Summary of Contents for SCXI-1104/C

Page 1: ...tioning module Contents Conventions 2 Software 2 Documentation 3 Calibration Interval 3 Password 3 Test Equipment 4 Test Conditions 4 Calibration Process 5 Initial Setup 5 Verification Procedure 7 Adj...

Page 2: ...is a placeholder for a word or value that you must supply monospace Text in this font denotes text or characters that you should enter from the keyboard sections of code programming examples and synta...

Page 3: ...documents by selecting Start All Programs National Instruments NI DAQmx after installing NI DAQmx For more information about the SCXI 1104 C refer to the SCXI 1104 C User Manual For information about...

Page 4: ...o the SCXI 1104 C as short as possible Long cables and wires can act as antennas picking up extra noise and thermal offsets that affect measurements Use shielded copper wire for all cable connections...

Page 5: ...with respect to a known voltage source 4 Verifying Adjusted Values Perform another verification to ensure that the SCXI 1104 C is operating within its test limits after adjustments Initial Setup Comp...

Page 6: ...for demonstrating the calibration process use the device identifiers Dev1 for the DAQ device and SC1Mod1 for the SCXI 1104 C If you have more devices in your setup use MAX to identify your DAQ device...

Page 7: ...and offset calibration constants for each gain setting per analog input channel A complete verification of the inputs involves measuring the accuracy at all possible gain settings on all channels of...

Page 8: ...annels Refer to the SCXI 1300 1301 Terminal Block Installation Guide for connection instructions If you are not using the recommended SCXI 1300 refer to Table 4 for the front signal pin assignments of...

Page 9: ...le physicalChannel SC1Mod1 aiX nameToAssignToChannel myVoltageChannel terminalConfig DAQmx_Val_Cfg_Default minVal 45 V maxVal 45 V units DAQmx_Val_Volts customScaleName Where X refers to the channel y...

Page 10: ...result is between the upper and lower limits the SCXI 1104 C passes the test 12 Clear the acquisition using the DAQmx Clear Task VI LabVIEW Block Diagram Function Call Call a sleep or wait function t...

Page 11: ...Terminal Block Installation Guide for connection instructions If you are not using the recommended SCXI 1300 refer to Table 4 for the front signal pin assignments of the SCXI 1104 C If the calibration...

Page 12: ...Qmx Adjust SCXI Calibration VI 8 Repeat steps 5 through 7 for the voltage test points in Table 2 LabVIEW Block Diagram NI DAQmx Function Call Call DAQmxSetup1104Cal with the following parameters calHa...

Page 13: ...its test limits Test Limits Refer to the SCXI 1104 C User Manual for the specifications of the SCXI 1104 C Gain and Offset Table 3 contains the test limits to use when verifying and adjusting the gai...

Page 14: ...tion Procedure 14 ni com SCXI 1104 C Front and Rear Panel Diagrams Table 4 shows the pin assignments for the SCXI 1104 C front panel connector Table 5 shows the pin assignments for the SCXI 1104 C rea...

Page 15: ...CH 8 CH 8 23 NC CH 9 CH 9 22 NC CH 10 CH 10 21 NC CH 11 CH 11 20 NC CH 12 CH 12 19 NC CH 13 CH 13 18 NC CH 14 CH 14 17 NC CH 15 CH 15 16 CH GND CH 16 CH 16 15 NC CH 17 CH 17 14 NC CH 18 CH 18 13 NC C...

Page 16: ...0 NC NC 11 12 NC NC 13 14 NC NC 15 16 NC NC 17 18 NC OUT REF 19 20 NC NC 21 22 NC NC 23 24 D GND SER DAT IN 25 26 SER DAT OUT DAQ D A 27 28 NC SLOT 0 SEL 29 30 NC D GND 31 32 NC NC 33 34 NC NC 35 36 S...

Page 17: ...our National Instruments product Product registration facilitates technical support and ensures that you receive important information updates from NI National Instruments corporate headquarters is lo...

Page 18: ...and third party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for the National Instruments global trade compliance...

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