The NI SCXI-1124 is a 6-channel channel-to-channel isolated analog output module for SCXI chassis, designed for low-bandwidth industrial process control. Every channel integrates an independent 16-bit DAC with full galvanic isolation, supporting software-switchable voltage and current output modes. It provides six configurable voltage ranges and standard 0-20 mA/4-20 mA current output, with onboard EEPROM to store factory and user calibration data for long-term accuracy retention. Rated for 250 Vrms continuous channel-to-channel and channel-to-ground isolation, it complies with IEC 61010 CAT II safety standards. Controlled via standard SCXI backplane bus, it only occupies one digital control channel of the host DAQ device, and perfectly matches the SCXI-1325 terminal block for remote field wiring.
Telephone/WhatsApp: +86 15339537795 Email address: 2645963284@qq.com
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NI SCXI-1124 6-Channel Isolated Analog Output Module

NI SCXI-1124 6-Channel Isolated Analog Output Module

The NI SCXI-1124 is a 6-channel channel-to-channel isolated analog output module for SCXI chassis, designed for low-bandwidth industrial process control. Every channel integrates an independent 16-bit DAC with full galvanic isolation, supporting software-switchable voltage and current output modes. It provides six configurable voltage ranges and standard 0-20 mA/4-20 mA current output, with onboard EEPROM to store factory and user calibration data for long-term accuracy retention. Rated for 250 Vrms continuous channel-to-channel and channel-to-ground isolation, it complies with IEC 61010 CAT II safety standards. Controlled via standard SCXI backplane bus, it only occupies one digital control channel of the host DAQ device, and perfectly matches the SCXI-1325 terminal block for remote field wiring.
Telephone/WhatsApp: +86 15339537795 Email address: 2645963284@qq.com

Description

Channel & Wiring Configuration

  • 6 independent fully isolated analog output channels
  • Channel-to-channel & channel-to-chassis galvanic isolation
  • Single DAQ digital control channel for all 6 output channels
  • Front 96-pin DIN connector, rear standard SCXI backplane interface

Programmable Output Ranges

  • Voltage Output (3 bipolar, 3 unipolar): ±1 V, ±5 V, ±10 V, 0-1 V, 0-5 V, 0-10 V
  • Current Output: 0-20 mA (default compatible with 4-20 mA loop)
  • DAC Resolution: 16-bit monotonic conversion
  • Max update rate: 30 Hz per channel (low-bandwidth DC output only)

Calibration & Filter Parameters

  • Onboard non-volatile EEPROM for calibration coefficient storage
  • Built-in low-pass RC filter for DC signal smoothing, fixed 35 Hz cutoff
  • Max output settling time: 65 ms to reach full-scale accuracy
  • Output short-circuit protection for all individual channels

Key Electrical Specifications

  • Isolation withstand voltage: 250 Vrms continuous, 1000 V transient surge
  • Absolute accuracy: ±0.1% FSR maximum at 25℃
  • Output drive capability: ±10 mA for voltage mode, 20 mA for current mode
  • Output ripple & noise: <1.2 mVpp within 100 Hz bandwidth
  • Power consumption: 4.2 W typical operating power
  • Isolation safety certification: CE, UL, CSA, IEC 61010-1

Mechanical & Environmental Specifications

  • Dimension: 172×86×32 mm, standard single-slot SCXI module
  • Operating temperature: -40℃ ~ +85℃
  • Storage temperature: -55℃ ~ +100℃
  • Humidity: 10%–90% non-condensing

Software Compatibility

  • Drivers: NI-DAQmx, Traditional NI-DAQ
  • Supported software: LabVIEW, LabWindows/CVI, Python DAQmx, C#
  • Perfect matched terminal block: SCXI-1325 high-voltage isolated terminal block

Pros & Limitations

  • Pros: Independent channel isolation, dual voltage/current output, onboard calibration storage, wide temperature tolerance, high safety for industrial loop control
  • Limitations: Low update rate only for DC/static signals, obsolete official inventory, no high-speed dynamic output support

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