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NI 9266 - User Manual

NI 9266
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NI-9266
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Summary

Safety Guidelines

Safety Guidelines for Hazardous Voltages

Precautions and warnings for operating the NI 9266 with hazardous voltages, including specific cautions.

NI 9266 Safety Voltages

NI 9266 with Screw Terminal Safety Voltages

Voltage limits and isolation specifications for NI 9266 screw terminal connections, including measurement categories.

NI 9266 with DSUB Safety Voltages

Voltage limits and isolation specifications for NI 9266 DSUB connections, including measurement categories.

Safety Guidelines for Hazardous Locations

Special Conditions for Hazardous Locations Use in Europe and Internationally

Specific requirements for using NI 9266 in hazardous locations in Europe and internationally, including certifications.

Electromagnetic Compatibility Guidelines

Special Conditions for Marine Applications

EMC requirements for marine applications and necessary precautions for NI 9266, including shielded enclosures.

Preparing the Environment

NI 9266 Pinout

Connecting the NI 9266

Connecting an External Power Supply

Instructions for connecting an external power supply to the NI 9266 module, including voltage range and polarity.

NI 9266 Connection Guidelines

Best practices and recommendations for making secure connections to the NI 9266, including terminal usage.

High-Vibration Application Connections

Guidelines to protect connections for applications subjected to high vibration, using ferrules and backshell kits.

Overvoltage Protection

Information on the overvoltage protection features of the NI 9266, advising to refer to the device datasheet.

Where to Go Next

Worldwide Support and Services

Summary

Safety Guidelines

Safety Guidelines for Hazardous Voltages

Precautions and warnings for operating the NI 9266 with hazardous voltages, including specific cautions.

NI 9266 Safety Voltages

NI 9266 with Screw Terminal Safety Voltages

Voltage limits and isolation specifications for NI 9266 screw terminal connections, including measurement categories.

NI 9266 with DSUB Safety Voltages

Voltage limits and isolation specifications for NI 9266 DSUB connections, including measurement categories.

Safety Guidelines for Hazardous Locations

Special Conditions for Hazardous Locations Use in Europe and Internationally

Specific requirements for using NI 9266 in hazardous locations in Europe and internationally, including certifications.

Electromagnetic Compatibility Guidelines

Special Conditions for Marine Applications

EMC requirements for marine applications and necessary precautions for NI 9266, including shielded enclosures.

Preparing the Environment

NI 9266 Pinout

Connecting the NI 9266

Connecting an External Power Supply

Instructions for connecting an external power supply to the NI 9266 module, including voltage range and polarity.

NI 9266 Connection Guidelines

Best practices and recommendations for making secure connections to the NI 9266, including terminal usage.

High-Vibration Application Connections

Guidelines to protect connections for applications subjected to high vibration, using ferrules and backshell kits.

Overvoltage Protection

Information on the overvoltage protection features of the NI 9266, advising to refer to the device datasheet.

Where to Go Next

Worldwide Support and Services

Overview

The NI 9266 is a C Series analog output module designed for use with National Instruments CompactRIO and CompactDAQ systems. It provides 8 analog output channels, capable of sourcing 0 mA to 20 mA, with 16-bit simultaneous resolution. This module is suitable for a variety of applications, particularly those requiring precise current output control in industrial and hazardous environments.

Function Description:

The NI 9266 functions as an analog output module, converting digital signals into analog current outputs. Each of its 8 channels can independently source current within the 0 mA to 20 mA range. The 16-bit resolution ensures fine control over the output current, making it suitable for applications requiring high precision, such as controlling actuators, valves, or other industrial devices. The module features simultaneous output, meaning all channels can update their output values at the same time, which is crucial for synchronized control systems.

Important Technical Specifications:

  • Analog Output Channels: 8
  • Output Range: 0 mA to 20 mA
  • Resolution: 16-bit simultaneous
  • Isolation:
    • Channel-to-channel: None
    • Channel-to-earth ground, Vsup-to-earth ground, or COM-to-earth ground (Continuous): 250 V RMS, Measurement Category II (for screw terminal version); 60 V DC, Measurement Category I (for DSUB version)
    • Withstand up to 3,000 m: 3,000 V RMS (screw terminal); 1,000 V RMS (DSUB)
    • Withstand up to 5,000 m: 860 V RMS (DSUB)
  • External Power Supply: Requires a 9 V DC to 30 V DC supply for Vsup and COM.
  • AO-to-COM and Vsup-to-COM Limits: ±36 V DC maximum.
  • Operating Temperature: -40 °C to 70 °C (IEC 60068-2-1, IEC 60068-2-2)
  • Operating Humidity: 10% RH to 90% RH, noncondensing (IEC 60068-2-78)
  • Pollution Degree: 2
  • Maximum Altitude: 3,000 m (screw terminal), 5,000 m (DSUB)
  • Hazardous Locations Certification:
    • Class I, Division 2, Groups A, B, C, D, T4
    • Class I, Zone 2, AEx nA IIC T4 Gc and Ex nA IIC T4 Gc
    • ATEX/IECEx certified: Ex nA IIC T4 Gc equipment under DEMKO 12 ATEX 1202658X and IECEx UL 14.0089X. Marked & II 3G.
    • Ambient temperatures for hazardous locations: -40 °C ≤ Ta ≤ 70 °C.
  • Overvoltage Protection: Provided for each channel.

Usage Features:

The NI 9266 is designed for straightforward integration into NI CompactRIO and CompactDAQ systems.

  • Connectivity: It can be connected using either screw terminals or a DSUB connector, depending on the specific model. The pinout provides clear assignments for AO (Analog Output), COM (Common Reference), NC (No Connection), and Vsup (Voltage Supply).
  • External Power: An external power supply (9 V DC to 30 V DC) is required to provide current for the connected devices. Users must connect the positive lead to Vsup and the negative lead to COM. It is critical not to remove or insert modules while the external power supply is on.
  • Connection Guidelines: For secure connections, especially when connecting multiple wires to a single terminal, 2-wire ferrules are recommended. For high-vibration applications, using ferrules and the NI 9928 connector backshell kit is advised to protect connections.
  • Software Integration: The module is supported by NI software environments such as LabVIEW, NI-RIO, and NI-DAQmx, providing comprehensive tools for configuration, programming, and data acquisition. Relevant documentation and help files are available on ni.com/manuals and within the software itself.
  • Environmental Compatibility: The module is specified for indoor use and can operate in a wide temperature range (-40 °C to 70 °C) and humidity (10% RH to 90% RH noncondensing), making it robust for various industrial settings.
  • Hazardous Location Use: The NI 9266 is certified for use in Class I, Division 2, and Zone 2 hazardous locations. Specific guidelines must be followed for installation in potentially explosive environments, including ensuring power is switched off before disconnecting I/O wires or removing modules, and installing the system in a certified enclosure with a minimum IP54 ingress protection rating. Transient protection is also required, set at a level not exceeding 140% of the peak rated voltage value of 85 V at the supply terminals. The system must be used in an area of not more than Pollution Degree 2.
  • EMC Compliance: The product complies with regulatory requirements for electromagnetic compatibility (EMC) and is intended for use in industrial locations. To ensure specified EMC performance, shielded cables and accessories must be used. For marine applications, installation in a shielded enclosure with filtered power and I/O ports is necessary.

Maintenance Features:

  • Repair and Calibration Services: Apex Waves offers competitive repair and calibration services for the NI 9266, ensuring the device maintains its accuracy and performance over time.
  • Documentation and Resources: Free downloadable resources and easily accessible documentation are available to assist with setup, troubleshooting, and maintenance.
  • Obsolete Hardware Support: Apex Waves specializes in providing new, new surplus, refurbished, and reconditioned NI hardware, including obsolete models like the NI 9266, ensuring continued support for legacy test systems.
  • Surplus Parts Program: Users can sell new, used, decommissioned, and surplus NI parts to Apex Waves, offering options for cash, credit, or trade-in deals. This provides a sustainable solution for managing excess or end-of-life equipment.
  • Warranty and Support: National Instruments provides worldwide support and services, including technical support, factory installation services, extended warranty options, and product registration for important updates. Calibration certificates and Declarations of Conformity are also available.

NI 9266 Specifications

General IconGeneral
BrandNI
Model9266
CategoryControl Unit
LanguageEnglish

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