National Instruments Module SCXI-1125 Bedienungsanleitung PDF herunterladen (Seite 70)

100

101

Specifications

This appendix lists the specifications for the SCXI-1125 modules. These

specifications are typical at 25 °C unless otherwise noted.

Input Characteristics

Note Refer to Tables 5-1 and 5-2 for extended range using the SCXI-1313A, SCXI-1327,

and TBX-1316.

Table A-1. Input Signal Range Versus Gain

Overall Gain Overall Voltage Range

SCXI-1125

Gain

1 ±5 V

peak

or VDC 1

2 ±2.5 V

peak

or VDC 2

5 ±1 V

peak

or VDC 5

10 ±500 mV

peak

or VDC 10

20 ±250 mV

peak

or VDC 20

50 ±100 mV

peak

or VDC 50

100 ±50 mV

peak

or VDC 100

200 ±25 mV

peak

or VDC 200

250 ±20 mV

peak

or VDC 250

500 ±10 mV

peak

or VDC 500

1000 ±5 mV

peak

or VDC 1000

2000 ±2.5 mV

peak

or VDC 2000

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 100 101

SCXI-1125 User Manual 1
Important Information 3
Conventions 4
Contents 5
About the SCXI-1125 10
❑ Software 11
❑ Documentation 11
DAQ Device 13
Parallel Scanning 14
Troubleshooting in NI-DAQmx 16
Connecting Signals 18
Ground-Referenced Signal 19
Floating Signal 20
AC-Coupling 21
Pin Assignments 22
Temperature Sensor Connection 24
Rear Signal Connector 24
Configuring and Testing 26
Configurable Settings in MAX 27
NI-DAQmx 28
Traditional NI-DAQ (Legacy) 29
NI-DAQ (Legacy) 30
Verifying the Signal 31
Theory of Operation 34
Operating in Multiplexed Mode 35
Operating in Parallel Mode 36
Using the SCXI-1125 38
Typical Program Flowchart 42
Programmatically 44
Completing the Application 46
Text Based ADEs 51
(Legacy) 52
Typical Program Flow 54
NI-DAQ (Legacy) in LabVIEW 56
Note The 62
Performing a Multiplexed Scan 64
C and Low-Level DAQ Functions 65
LabVIEW and Parallel Mode 65
C and Parallel Mode 66
Calibration 67
One-Point Offset Calibration 68
1000 0.005 V 69
Specifications 70
Appendix A Specifications 71
Absolute Accuracy 72
System Noise (peak, 3 sigma) 73
Analog Inputs 74
Power Consumption 75
Output Characteristics 75
Transfer Characteristics 75
Stability 75
Physical 76
Maximum Working Voltage 77
Environmental 77
Electromagnetic Compatibility 78
CE Compliance 78
Environmental Management 79
Removing the SCXI-1125 82
ADDRESS 83
Common Questions 84
Glossary 88

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