Page 2 - Conventions; Read Me First: Safety and Radio-Frequency; bold; italic; What You Need to Get Started; XX
SCC-AI Series Isolated Analog Input Modules 2 ni.com Conventions The following conventions are used in this guide: < > Angle brackets that contain numbers separated by an ellipsis represent a range of values associated with a bit or signal name—for example, ai<0..7>. This icon denotes a ...
Page 3 - Scaling Voltage Measurements; Unpacking the Module; Never
© National Instruments Corporation 3 SCC-AI Series Isolated Analog Input Modules ❑ One or more SCC-SG XX ❑ SCC-SG Series Strain-Gauge Modules User Guide ❑ SC-2345 User Manual ❑ Read Me First: Safety and Radio-Frequency Interference ❑ SC-2345 Quick Reference Label ❑ 68-pin Basic or E Series DAQ devic...
Page 4 - Installing the Module; Connecting the Input Signals
SCC-AI Series Isolated Analog Input Modules 4 ni.com Installing the Module Caution Refer to the Read Me First: Safety and Radio-Frequency Interference document before removing equipment covers or connecting/disconnecting any signal wires A blue label stripe identifies the SCC-AI XX as an analog inpu...
Page 6 - resistor. Figure 1-4 shows a floating signal connection
SCC-AI Series Isolated Analog Input Modules 6 ni.com Figure 1-3. SCC-AI XX Signal Connections The inputs are designed in a floating (nonreferenced) single-ended configuration. If the measured signals are floating, connect the negative input pins, 1 and 3, to AISENSE on the SC-2345 terminal block thr...
Page 7 - Configuring the SCC System; Open; Measurement & Automation; and select; Create New; Under; NI-DAQmx SCC Connector Block; select; Finish
© National Instruments Corporation 7 SCC-AI Series Isolated Analog Input Modules If a high common-mode voltage is present, connect the negative input pins, 1 and 3, to the signal reference. Figure 1-5 shows a ground-referenced signal connection on one channel of the SCC-AI XX . Figure 1-5. Ground-Re...
Page 9 - Virtual Channels, Physical Channels, and Tasks
© National Instruments Corporation 9 SCC-AI Series Isolated Analog Input Modules 10. If you make a selection mistake, select the socket and click Remove . 11. Repeat steps 8 and 9 for each newly installed SCC. 12. Click OK after completing all SCC entries. 13. Click OK to complete the configuration ...
Page 10 - Creating a Virtual Channel in Traditional NI-DAQ
SCC-AI Series Isolated Analog Input Modules 10 ni.com Table 1-2 shows suggested values for some of the parameters. Use default values for parameters not shown. 9. Click Test to test the channel. You should be able to view your measurement in the window that appears. You have finished configuring the...
Page 11 - If you configured the SCC-AI; Specifications; These ratings are typical at 25 °C unless otherwise stated.; Input Characteristics; Input impedance
© National Instruments Corporation 11 SCC-AI Series Isolated Analog Input Modules Scaling Voltage Measurements If you configured the SCC-AI XX using MAX and you are using NI-DAQ, the voltage reading you get from the E Series DAQ device accounts for the voltage scaling effect of the SCC-AI XX . Other...
Page 12 - Filter Characteristics
SCC-AI Series Isolated Analog Input Modules 12 ni.com Filter Characteristics Number of poles .....................................3 Rolloff .....................................................60 dB/decade Cutoff frequency (–3 dB) AI0 X ................................................10 kHz AI1 X .....
Page 13 - Environmental; Electromagnetic Compatibility; must; CE Compliance
© National Instruments Corporation 13 SCC-AI Series Isolated Analog Input Modules Environmental Operating temperature............................ 0 to 50 ° C Storage temperature ............................... –20 to 70 ° C Humidity ................................................ 10 to 90% RH, nonc...
Page 14 - Calibrating Gain and Offset Errors; Module
SCC-AI Series Isolated Analog Input Modules 14 ni.com Calibrating Gain and Offset Errors The SCC-AI XX is calibrated at the factory before shipment. If you want to adjust the gain of the SCC-AI XX in your system using your E Series DAQ device, you need a voltage source that is several times more acc...
Page 16 - Module Pin Assignments; Pin Number
SCC-AI Series Isolated Analog Input Modules 16 ni.com SCC-AI XX Module Pin Assignments Figure 1-6 shows the I/O connector pins on the bottom of the module. Figure 1-6. SCC Module Bottom View Table 1-4 lists the signal corresponding to each I/O connector pin on the bottom of the SCC-AI XX . ACH( X ) ...
Page 17 - GND
© National Instruments Corporation 17 SCC-AI Series Isolated Analog Input Modules 9 + 6 V 10 GND 11 AGND 12 REF5V 13 + 15 V 14 –15 V 15 — 16 — 17 — 18 — 19 — 20 — Table 1-4. SCC-AI XX Module Pin Assignments (Continued) Pin Number Signal