Product Details
Overview
The Allen-Bradley 1746-NI16I is a 16-channel SLC 500 analog input module designed for precise signal acquisition in control systems. It supports multiple current input ranges, high-resolution sigma-delta conversion, and features robust isolation for reliable operation in industrial environments.
Technical Specifications
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Manufacturer: Allen-Bradley (Rockwell Automation)
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Model / Part Number: 1746-NI16I
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Product Type: Analog Input Module
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Product Line: SLC 500
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Number of Inputs: 16 channels
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Input Signal Types: 0–20 mA, 4–20 mA, ±20 mA, 0–1 mA
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Bandwidth: 6–250 Hz
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Step Response: 9–630 ms
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Input Filtering: Low-pass digital filter with programmable frequencies (6, 10, 20, 40, 60, 80, 100, 250 Hz)
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Conversion Type: Sigma-Delta
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Backplane Current: 125 mA @ 5 VDC; 75 mA @ 24 VDC
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Isolation: 500 V AC for 1 second (channel-to-backplane)
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LED Indicators: 5 green LEDs (one per group of four channels) plus module status indicator
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Chassis Location: Any I/O slot except slot 0
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Thermal Dissipation: 2.43 W
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Recommended Cabling: Belden #8761 or equivalent
Key Features
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Supports multiple analog current ranges for flexible system integration
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16 individually monitored channels with group status indicators
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Sigma-Delta A/D conversion for precise analog-to-digital performance
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Digital low-pass filtering reduces signal noise
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High isolation voltage ensures system reliability
Applications
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Process monitoring and measurement in SLC 500 systems
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Integration with 120V AC I/O and other analog devices
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Industrial automation requiring high-accuracy analog signal inputs
FAQs
Q1: What input signal ranges does 1746-NI16I support?
It supports 0–20 mA, 4–20 mA, ±20 mA, and 0–1 mA signals.
Q2: How is channel status indicated?
Each group of four channels has a green LED, with an additional LED for module status.
Q3: What isolation does the module provide?
The module provides 500 V AC isolation for 1 second, protecting the backplane and input signals.
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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