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National Instruments SCXI-1503 Safety, Electromagnetic Compatibility, CE Compliance, Waste Electrical and Electronic Equipment (WEEE)

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Appendix A Specifications

SCXI-1503 User Manual A-6 ni.com

Safety

This product is designed to meet the requirements of the following

standards of safety for electrical equipment for measurement, control,

andlaboratory use:

• IEC 61010-1, EN-61010-1

• UL 61010-1, CSA 61010-1

Note For UL and other safety certifications, refer to the product label or visit

ni.com/certification, search by model number or product line, and click the

appropriate link in the Certification column.

Electromagnetic Compatibility

This product is designed to meet the requirements of the following

standards of EMC for electrical equipment for measurement, control,

andlaboratory use:

• EN 61326 EMC requirements; Minimum Immunity

• EN 55011 Emissions; Group 1, Class A

• CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A

Note For EMC compliance, operate this device according to product documentation.

CE Compliance

This product meets the essential requirements of applicable European

Directives, as amended for CEmarking, as follows:

• 73/23/EEC; Low-Voltage Directive (safety)

• 89/336/EEC; Electromagnetic Compatibility Directive (EMC)

Note Refer to the Declaration of Conformity (DoC) for this product for any additional

regulatory compliance information. To obtain the DoC for this product, visit

ni.com/certification, search by model number or product line, and click the

appropriate link in the Certification column.

Waste Electrical and Electronic Equipment (WEEE)

EU Customers At the end of their life cycle, all products must be sent to a WEEE recycling

center. For more information about WEEE recycling centers and National Instruments

WEEE initiatives, visit ni.com/environment/weee.htm.

Contents

Main Page Important Information Warranty Copyright Trademarks Patents Conventions Contents Chapter 1 About the SCXI-1503 Chapter 2 Connecting Signals Chapter 3 Configuring and Testing Chapter 4 Theory of Operation Chapter 5 Using the SCXI-1503 Page Tables About the SCXI-1503 What You Need to Get Started National Instruments Documentation Page Installing Application Software, NI-DAQ, and the E/M Series DAQ Device Installing the SCXI-1503 Module into the SCXI Chassis Installing the Terminal Block Configuring the SCXI System Software Page Connecting Signals Analog Input Signal Connections Ground-Referencing the Signals Connecting Resistive Devices to the SCXI-1503 4-Wire Configuration 2-Wire Configuration 3-Wire Resistive Sensor Configuration Lead-Resistance Compensation Using a 3-Wire Resistive Sensor and Two Matched Current Sources Figure 2-4. 3-Wire Configuration Using Matched Current Sources Front Connector Table 2-1. Front Signal Pin Assignments Page Rear Signal Connector Table 2-3 shows the SCXI-1503 module rear signal connector pin assignments. Table 2-3. Rear Signal Pin Assignments Rear Signal Connector Descriptions Page Configuring and Testing SCXI-1503 Software-Configurable Settings Common Software-Configurable Settings Gain/Input Range Input Coupling Configurable Settings in MAX NI-DAQmx Creating a Global Channel or Task Verifying the Signal Verifying the Signal in NI-DAQmx Using a Task or Global Channel Page Page Chapter 4 Theory of Operation Figure 4-1. Block Diagram of SCXI-1503 SCXI-1503 User Manual 4-2 ni.com Front Signal Connector Rear Signal Connector + Rear Signal Connector, SCXIbus Connector, and SCXIbus Interface Digital Control Circuitry Analog Circuitry Analog Input Channels Operation of the Current Sources Theory of Multiplexed Operation Measuring Temperature with Resistive Transducers RTDs RTD Measurement Errors The Relationship Between Resistance and Temperature in RTDs Page Page Page Thermistors Thermistor Measurement Circuits Resistance/Temperature Characteristic of Thermistors Page Using the SCXI-1503 Developing Your Application in NI-DAQmx Typical Program Flowchart Figure 5-1. Typical Program Flowchart for Voltage Measurement Channels General Discussion of Typical Flowchart Creating a Task Using DAQ Assistant or Programmatically Adjusting Timing and Triggering Configuring Channel Properties Page Page Acquiring, Analyzing, and Presenting Completing the Application Developing an Application Using LabVIEW Page Using a NI-DAQmx Channel Property Node in LabVIEW Specifying Channel Strings in NI-DAQmx Text Based ADEs LabWindows/CVI Measurement Studio (Visual Basic 6, .NET, and C#) Programmable NI-DAQmx Properties Calibration Internal/Self-Calibration External Calibration Page A Specifications Analog Input Input Characteristics Transfer Characteristics RTD Measurement Accuracy Amplifier Characteristics Dynamic Characteristics Filter Stability Excitation Power Requirements From SCXI Backplane Environmental Physical Maximum Working Voltage Safety Electromagnetic Compatibility CE Compliance Waste Electrical and Electronic Equipment (WEEE) B Removing the SCXI-1503 Removing the SCXI-1503 from MAX Removing the SCXI-1503 from a Chassis Figure B-1. Removing the SCXI-1503 C Common Questions Page Page Glossary Numbers/Symbols A B C D E G I J L M N O P R S T U V W Index Numerics A C D E F G I O P Q R S T V