documentation.HELP! NI Switches Documentation

Features

NI Switches

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Features

This book explains how to program switches for the following features:

  • Scanning
  • Adding Additional Settling Time
  • Disabling Digital Filtering
  • Immediate Operations
  • Setting Source and Configuration Channels
  • Simulating a Switch
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Table of contents

  • NI Switches Help
    • Related Documentation
    • Using Help
      • Conventions
      • Navigating Help
      • Searching Help
      • Printing Help File Topics
    • Fundamentals
      • Relay Forms
      • Relay Types
        • Electromechanical Relays
          • Armature Relays
            • Transfer Switches
          • Reed Relays
        • Solid-State Relays (SSR)
        • FET Switches
      • Topologies
        • General-Purpose
        • Multiplexer
        • Matrix
        • Transfer Switches
      • X-Wire Switching
      • General Switching Considerations
        • Contact Resistance
        • Relay Life
        • Path Resistance
        • Thermal EMF and Offset Voltage
        • Relay Operation
          • Cycle Process
          • Settling Time
          • Relay Count
        • Switching Inductive Loads
        • Switching Capacitive Loads
        • Switching Capacity
          • Switching Voltage
          • Switching Current
          • Switching Power
        • Reed Relay Protection
          • Bounce
          • Arcing
          • Capacitance
          • Inrush Current
          • Inrush Current Protection
          • Board Layout and Topology
          • Example System
      • RF Switching Considerations
        • Characteristic Impedance
        • Rise Time
        • Bandwidth and Insertion Loss
        • Voltage Standing Wave Ratio (VSWR)
        • Crosstalk
        • Isolation
      • Scanning
        • Software Trigger Scanning
        • Synchronous Scanning
        • Handshaking
    • Installing and Configuring Devices
      • PXI Devices
        • Installing a PXI Switch
        • Configuring a PXI Switch
      • SCXI Devices
        • Installing an SCXI Switch
        • Configuring an SCXI Switch
        • Controlling and Triggering an SCXI Switch
    • Devices
      • NI PXI-2501/2503
        • PXI-2501 Hardware Diagram
        • PXI-2503 Hardware Diagram
        • 1-Wire 48x1 Amplified Multiplexer Topology
        • 1-Wire 48x1 Multiplexer Topology
        • 2-Wire 24x1 Amplified Multiplexer Topology
        • 2-Wire 24x1 Multiplexer Topology
        • 2-Wire Dual 12x1 Multiplexer Topology
        • 2-Wire Quad 6x1 Multiplexer Topology
        • 4-Wire 12x1 Multiplexer Topology
        • 2-Wire 4x6 Matrix Topology
        • Amplifier
        • Cold-Junction Temperature Sensor Channel
        • Current-Loop Receivers
        • Matrix Expansion
        • Multiplexer Expansion
        • Triggering
      • NI PXI-2527
        • Hardware Diagram
        • 1-Wire 64x1 Multiplexer Topology
        • 1-Wire Dual 32x1 Multiplexer Topology
        • 2-Wire 32x1 Multiplexer Topology
        • 2-wire Dual 16x1 Multiplexer Topology
        • 4-Wire 16x1 Multiplexer Topology
        • Independent Topology
        • Thermocouple Measurement
        • Triggering
        • Relay Replacement
      • NI PXI-2529
        • Hardware Diagram
        • 2-Wire 4x32 Matrix Topology
        • 2-Wire 8x16 Matrix Topology
        • 2-Wire Dual 4x16 Matrix Topology
        • Matrix Expansion
          • Using the NI TB-2634
          • Using the NI TB-2635
          • Using the NI TB-2636
        • Triggering
        • Relay Replacement
      • NI PXI-2530
        • Hardware Diagram
        • 1-Wire 128x1 Multiplexer Topology
        • 1-Wire Dual 64x1 Multiplexer Topology
        • 1-Wire Quad 32x1 Multiplexer Topology
        • 1-Wire Octal 16x1 Multiplexer Topology
        • 2-Wire 64x1 Multiplexer Topology
        • 2-Wire Dual 32x1 Multiplexer Topology
        • 2-Wire Quad 16x1 Multiplexer Topology
        • 4-Wire 32x1 Multiplexer Topology
        • 4-Wire Dual 16x1 Multiplexer Topology
        • 1-Wire 4x32 Matrix Topology
        • 1-Wire 8x16 Matrix Topology
        • 2-Wire 4x16 Matrix Topology
        • Independent Topology
        • Matrix Expansion
          • Using the NI TB-2631
          • Using the NI TB-2632
        • Signal Connections
          • 1-Wire Multiplexer and Independent Topologies
          • 2-Wire Multiplexer Topologies
          • 4-Wire Multiplexer Topologies
          • 1-Wire 4x32 Matrix Topology
          • 1-Wire 8x16 Matrix Topology
          • 2-Wire 4x16 Matrix Topology
        • Triggering
        • Relay Replacement
      • NI PXI-2532
        • Hardware Diagram
        • 1-Wire 4x128 Matrix Topology
        • 1-Wire 8x64 Matrix Topology
        • 1-Wire 16x32 Matrix Topology
        • 1-Wire Dual 4x64 Matrix Topology
        • 1-Wire Dual 8x32 Matrix Topology
        • 1-Wire Dual 16x16 Matrix Topology
        • 1-Wire Sixteen 2x16 Matrix Topology
        • 2-Wire 4x64 Matrix Topology
        • 2-Wire 8x32 Matrix Topology
        • 2-Wire 16x16 Matrix Topology
        • Matrix Expansion
        • Triggering
        • Relay Replacement
      • NI PXI-2533
        • Hardware Diagram
        • 1-Wire 4x64 Matrix Topology
        • Triggering
      • NI PXI-2534
        • Hardware Diagram
        • 1-Wire 8x32 Matrix Topology
        • Triggering
      • NI PXI-2535
        • Hardware Diagram
        • 1-Wire 4x136 Matrix Topology
        • Matrix Expansion
        • Triggering
      • NI PXI-2536
        • Hardware Diagram
        • 1-Wire 8x68 Matrix Topology
        • Matrix Expansion
        • Triggering
      • NI PXI-2545
        • Front Panel
        • Hardware Diagram
        • Terminated 4x1 Multiplexer (SP4T) Topology
        • Triggering
      • NI PXI-2546
        • Front Panel
        • Hardware Diagram
        • Dual 4x1 Multiplexer (Dual SP4T) Topology
        • Triggering
      • NI PXI-2547
        • Front Panel
        • Hardware Diagram
        • 8x1 Multiplexer (SP8T) Topology
        • Triggering
      • NI PXI-2548
        • Front Panel
        • Hardware Diagram
        • Quad SPDT Topology
        • Triggering
      • NI PXI-2549
        • Front Panel
        • Hardware Diagram
        • Dual Terminated SPDT Topology
        • Triggering
      • NI PXI-2554
        • Front Panel
        • Hardware Diagram
        • 4x1 Multiplexer (SP4T) Topology
        • Triggering
      • NI PXI-2555
        • Front Panel
        • Hardware Diagram
        • Terminated 4x1 Multiplexer (SP4T) Topology
        • Triggering
      • NI PXI-2556
        • Front Panel
        • Hardware Diagram
        • Dual 4x1 Multiplexer (Dual SP4T) Topology
        • Triggering
      • NI PXI-2557
        • Front Panel
        • Hardware Diagram
        • 8x1 Multiplexer (SP8T) Topology
        • Triggering
      • NI PXI-2558
        • Front Panel
        • Hardware Diagram
        • Quad SPDT Topology
        • Triggering
      • NI PXI-2559
        • Front Panel
        • Hardware Diagram
        • Dual Terminated SPDT Topology
        • Triggering
      • NI PXI-2564
        • Hardware Diagram
        • 16-SPST Topology
        • Triggering
        • Relay Replacement
      • NI PXI-2565
        • Hardware Diagram
        • 16-SPST Topology
        • Flyback Voltage Protection
        • Triggering
        • Relay Replacement
      • NI PXI-2566
        • Hardware Diagram
        • 16-SPDT Topology
        • Triggering
        • Relay Replacement
      • NI PXI-2567
        • Hardware Diagram
        • Independent Topology
        • Available 5 V and 12 V Sources
        • Triggering
      • NI PXI-2568
        • Hardware Diagram
        • 31-SPST Topology
        • Triggering
        • Relay Replacement
      • NI PXI-2569
        • Hardware Diagram
        • 100-SPST Topology
        • Triggering
        • Relay Replacement
      • NI PXI-2570
        • Hardware Diagram
        • 40-SPDT Topology
        • Triggering
        • Relay Replacement
      • NI PXI-2575
        • Hardware Diagram
        • 1-Wire 196x1 Multiplexer Topology
        • 2-Wire 95x1 Multiplexer Topology
        • 2-Wire 98x1 Multiplexer Topology
        • Triggering
        • Relay Replacement
      • NI PXI-2576
        • Hardware Diagram
        • 2-Wire Sixteen 4x1 Multiplexer Topology
        • 2-Wire Octal 8x1 Multiplexer Topology
        • 2-Wire Quad 16x1 Multiplexer Topology
        • 2-Wire Dual 32x1 Multiplexer Topology
        • 2-Wire 64x1 Multiplexer Topology
        • Independent Topology
        • Triggering
        • Relay Replacement
      • NI PXI-2584
        • Hardware Diagram
        • 1-Wire Dual 6x1 Multiplexer Topology
        • 1-Wire 12x1 Multiplexer Topology
        • 2-Wire 6x1 Multiplexer Topology
        • Independent Topology
          • Interleaved Multiplexer (User-Implemented)
        • Signal Connections
        • Triggering
        • Relay Replacement
      • NI PXI-2585
        • Hardware Diagram
        • 1-Wire 10x1 Multiplexer Topology
        • Triggering
        • Relay Replacement
      • NI PXI-2586
        • Hardware Diagram
        • 10-SPST Topology
        • Triggering
        • Relay Replacement
      • NI PXI-2590
        • Hardware Diagram
        • 4x1 Multiplexer Topology
        • Triggering
      • NI PXI-2591
        • Hardware Diagram
        • 4x1 Multiplexer Topology
        • Triggering
      • NI PXI-2593
        • Front Panel
        • Hardware Diagram
        • 16x1 Multiplexer Topology
        • 8x1 Terminated Multiplexer Topology
        • Dual 4x1 Terminated Multiplexer Topology
        • Dual 8x1 Multiplexer Topology
        • Independent Topology
          • 3x1 Multiplexers
          • Dimensionally Flexible Sparse Matrix
        • Triggering
      • NI PXI-2594/2595
        • Front Panels
        • Hardware Diagram
        • 4x1 Multiplexer Topology
        • Triggering
      • NI PXI-2596
        • Front Panel
        • Hardware Diagram
        • Dual 6x1 Multiplexer Topology
        • Triggering
      • NI PXI-2597
        • Front Panel
        • Hardware Diagram
        • 6x1 Multiplexer Topology
        • Triggering
      • NI PXI-2598
        • Front Panel
        • Hardware Diagram
        • Dual Transfer Switch Topology
        • Triggering
      • NI PXI-2599
        • Front Panel
        • Hardware Diagram
        • 2-SPDT Topology
        • Triggering
      • NI SCXI-1127/1128
        • Hardware Diagram
        • 1-Wire 64x1 Multiplexer Topology
        • 2-Wire 32x1 Multiplexer Topology
        • 4-Wire 16x1 Multiplexer Topology
        • 2-Wire 4x8 Matrix Topology
        • Cold-Junction Temperature Sensor Channel
        • Current-Loop Receiving
        • High-Voltage Analog Bus (HVAB)
        • Independent Topology
        • Matrix Expansion
        • Multiplexer Expansion
        • Triggering
        • Relay Replacement
      • NI SCXI-1129
        • Hardware Diagram
        • 2-Wire 16x16 Matrix Topology
        • 2-Wire 4x64 Matrix Topology
        • 2-Wire 8x32 Matrix Topology
        • 2-Wire Quad 4x16 Matrix Topology
        • 2-Wire Dual 4x32 Matrix Topology
        • 2-Wire Dual 8x16 Matrix Topology
        • High-Voltage Analog Bus (HVAB)
        • Matrix Expansion
        • Triggering
        • Relay Replacement
      • NI SCXI-1130
        • Hardware Diagram
        • 1-Wire 256x1 Multiplexer Topology
        • 1-Wire Dual 128x1 Multiplexer Topology
        • 1-Wire Quad 64x1 Multiplexer Topology
        • 1-Wire Octal 32x1 Multiplexer Topology
        • 1-Wire Sixteen 16x1 Multiplexer Topology
        • 2-Wire 128x1 Multiplexer Topology
        • 2-Wire Quad 32x1 Multiplexer Topology
        • 2-Wire Octal 16x1 Multiplexer Topology
        • 4-Wire 64x1 Multiplexer Topology
        • 4-Wire Quad 16x1 Multiplexer Topology
        • 1-Wire 4x64 Matrix Topology
        • 1-Wire 8x32 Matrix Topology
        • 2-Wire 4x32 Matrix Topology
        • Independent Topology
        • Signal Connections
          • 1-Wire Multiplexer and Independent Topologies
          • 2-Wire Multiplexer Topologies
          • 4-Wire Multiplexer Topologies
          • 1-Wire 4x64 Matrix Topology
          • 1-Wire 8x32 Matrix Topology
          • 2-Wire 4x32 Matrix Topology
        • Matrix Expansion
        • Triggering
        • Relay Replacement
      • NI SCXI-1160
        • Hardware Diagram
        • 16-SPDT Topology
        • Contact Protection for Inductive Load Connections
        • Jumpers
      • NI SCXI-1161
        • Hardware Diagram
        • 8-SPDT Topology
        • Contact Protection for Inductive Load Connections
        • Jumpers
      • NI SCXI-1163R
        • Hardware Diagram
        • Octal 4x1 Multiplexer Topology
        • Contact Protection
        • Jumpers
      • NI SCXI-1166
        • Hardware Diagram
        • 32-SPDT Topology
        • Triggering
        • Relay Replacement
      • NI SCXI-1167
        • Hardware Diagram
        • Independent Topology
        • Available 5 V Source
        • Triggering
      • NI SCXI-1169
        • Hardware Diagram
        • 100-SPST Topology
        • Triggering
        • Relay Replacement
      • NI SCXI-1175
        • Hardware Diagram
        • 1-Wire 196x1 Multiplexer Topology
        • 2-Wire 95x1 Multiplexer Topology
        • 2-Wire 98x1 Multiplexer Topology
        • High-Voltage Analog Bus (HVAB)
        • Triggering
        • Relay Replacement
      • NI SCXI-1190
        • Hardware Diagram
        • Quad 4x1 Multiplexer Topology
        • Relay Replacement
      • NI SCXI-1191
        • Hardware Diagram
        • Quad 4x1 Multiplexer Topology
      • NI SCXI-1192
        • Hardware Diagram
        • 8-SPDT Topology
      • NI SCXI-1193
        • Front Panel
        • Hardware Diagram
        • 16x1 Terminated Multiplexer Topology
        • 32x1 Multiplexer Topology
        • Dual 16x1 Multiplexer Topology
        • Quad 8x1 Multiplexer Topology
        • Dual 8x1 Terminated Multiplexer Topology
        • Quad 4x1 Terminated Multiplexer Topology
        • Independent Topology
          • 3x1 Multiplexers
          • Dimensionally Flexible Sparse Matrix
        • Reset Algorithms
        • Triggering
        • Relay Replacement
      • NI SCXI-1194/1195
        • Front Panels
        • Hardware Diagram
        • Quad 4x1 Multiplexer Topology
        • Triggering
    • Integration and System Considerations
      • Environment
      • Chassis Recommendations
      • PXI Express Compatibility
    • Programming with NI-SWITCH
      • Getting Started
        • Using NI-SWITCH in LabVIEW
          • Considerations for using the LabVIEW Real-Time Module
        • Using NI-SWITCH in LabWindows/CVI
        • Using NI-SWITCH in Visual C/C++
        • Using NI-SWITCH in Visual Basic
      • Programming Flow
        • Initialization
        • Operation Modes
        • Close
        • Setting and Checking Properties and Attributes
        • Setting Properties and Attributes Before Reading Them
      • Features
        • Scanning
          • Software Trigger Scanning
          • Scanning NI Switches with NI Digital Multimeters
            • Single Module Scanning
              • Scan Lists
              • Synchronous
              • Handshaking
            • Multiple Module Scanning
              • Multiple Module Scan Lists
              • Synchronous
              • Handshaking
        • Adding Additional Settling Time
        • Disabling Digital Filtering
        • Immediate Operations
        • Setting Source and Configuration Channels
        • Simulating a Switch
      • Examples
      • Legacy Programming
        • NI SCXI-1160
        • NI SCXI-1161
        • NI SCXI-1163R
        • NI SCXI-1190/1191
        • NI SCXI-1192
        • NI SCXI-1127/1128
        • NI SCXI-1129
      • Error and Status Codes
    • Operating System Support
    • Programming with NI-DAQmx
    • Using NI Switches in IVI
    • Glossary
    • Important Information
      • Warranty
      • Copyright
      • Trademarks
      • Patents
      • Warning Regarding the Use of NI Products
    • Technical Support and Professional Services

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