National Instruments 1191, 1192, SCXI-1190 Connecting Signals

Chapter2 Usingthe SCXI-119X

©NationalInstruments Corporation 2-5 SCXI-1190/1191/1192User Manual

Connecting Signals

The SCXI-1190 has push-on SMB connectors, and the SCXI-1191/1192

have screw-on SMA connectors as shown in Figure 2-3.

Figure2-3. SCXI-1190SMB Connectors, SCXI-1191/1192 SMA Connectors

Note The power-upand reset state of the different multiplexer banks on the

SCXI-1190/1191 are as follows: banks A and C, channel 0 is connected to the COM

terminal;banks B and D, channel 3 is connected is connected to the COM terminal. The

resetmode of the SCXI-1192 connects NC to COM for all relays. Because it uses latching

relays,the SCXI-1192 does not have a specific power-up state. Its relayswill retain their

stateiftheylosepower.

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Contents

Main Page Important Information Warranty Copyright Trademarks WARNINGREGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS Compliance FCC/Canada Radio Frequency Interference Compliance* Determining FCC Class FCC/DOC Warnings Class A European Union - Compliance to EEC Directives Conventions Contents Page Installing and Configuring the SCXI-119X About the SCXI-119X Installing the Software Safety Instructions Installing the Hardware Unpacking Installing the SCXI-119XModule into an SCXI Chassis Page Connecting the SCXI-119Xto a DAQ Device or Computer-Based Instrument Page Connecting the SCXI-119Xto a DAQ Device in a PXI Combination Chassis Configuring and Self-Testing the SCXI-119X Auto-Detecting Modules Manually Adding Modules Self-TestVerification TroubleshootingSelf-Test Verification Page Removing the SCXI-119X Removing the SCXI-119Xfrom an SCXI Chassis Removing the SCXI-119Xfrom Measurement & Automation Explorer Using the SCXI-119X Functional Overview Page RF Switching Precautions Contact Protection Connecting Signals Multiplexing to RF Sources Figure2-4. Connectingthe SCXI-1190/1191 Figure2-5. Connecting the SCXI-1192 Expanding the RF Multiplexer Figure2-6. Expandingthe SCXI-1190/1191 Note Cascadingmultiplexers increases insertion loss, creates propagation delays, and can haveother RF effects. Chapter2 Usingthe SCXI-119X haveother RF effects. A Specifications SCXI-1190 Page Page Page SCXI-1191 Page Safety Certifications and Compliances CE Mark Compliance SCXI-1192 Page Safety B Common Questions Page C Technical Support Resources Web Support NI Developer Zone Customer Education System Integration Worldwide Support Glossary Symbols A C D H I M Page Page Index A B C D M N P Q R T V W