Product Details
Overview
The Allen-Bradley 1746-NO4I is a precision analog output module designed for SLC 500 PLC systems. It provides four independent analog output channels with high-resolution 14-bit conversion, fast update time, and reliable current output for industrial control applications.
Technical Specifications
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Model / Part Number: 1746-NO4I
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Brand: Allen-Bradley
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Product Type: Analog Output Module / SLC 500 Module
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Number of Outputs: 4 independent channels
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Output Current Range: 0 to +20 mA
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Full Scale Output: 21 mA
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Overrange Capability: 5% (0 to +21 mA minus 1 LSB)
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Current Output Coding: 0 to +32764
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Resolution: 14 bits
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Update Time: 512 microseconds
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Step Response Time: 2.5 milliseconds
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Backplane Current: 5 V: 55 mA, 24 VDC: 195 mA
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Weight: 1.0 lbs (0.45 kg)
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Series: SLC 500
Application Scenarios
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Precision control of actuators and valves in process automation
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Signal generation for analog control loops in SLC 500 PLC networks
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Industrial monitoring systems requiring fast analog output response
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Replacement or expansion of existing Allen-Bradley SLC 500 analog outputs
Comparison with Similar Models
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1746-NO4I vs 1746-NO4V: The NO4I provides isolated analog outputs with 14-bit resolution, while the NO4V offers voltage outputs for systems needing 0–10 V control signals.
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SLC 500 Analog Modules: NO4I is optimized for fast response and high-precision current control, suitable for critical loop applications.
FAQs
Q1: What is the maximum update speed for the outputs?
The 1746-NO4I has an update time of 512 microseconds per channel, enabling rapid analog signal changes.
Q2: Can this module be used in existing SLC 500 racks?
Yes, it is fully compatible with standard SLC 500 backplanes and requires only the specified backplane current.
Q3: What is the resolution and accuracy of the output?
The module features 14-bit resolution, providing precise current outputs with minimal error over the full 0–20 mA range.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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