Product Details
Overview
The Allen-Bradley 1746-NI8 is an 8-channel analog input module designed for SLC 500 PLC systems. It supports both voltage and current signals, providing high-resolution analog data acquisition for industrial automation applications. Engineered for precise signal processing, this module integrates seamlessly into Compact I/O racks and delivers reliable performance in demanding environments.
Technical Specifications
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Model / Part Number: 1746-NI8
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Brand: Allen-Bradley
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Product Type: Analog Input Module, 8-Channel
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Module Type: Analog I/O for SLC 500 series
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Weight: 1.0 lbs (0.45 kg)
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Input Signal Range:
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Current: 0–20 mA, 4–20 mA, 0–1 mA, 20 mA
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Voltage: 0–5V DC, 1–5V DC, 0–10V DC, -10 to +10V DC, -20 to +20 mA
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Input Impedance: 250 Ω
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Resolution: 16-bit analog-to-digital conversion
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Update Time: 6 ms per channel
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Step Response: 0.75–730 ms
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Conversion Method: Successive approximation with switched capacitor
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Bandwidth: 1–75 Hz
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Selectable Input Filters: 1, 2, 5, 10, 20, 50, 75 Hz
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Data Format: Engineering Units scaled for PID Proportional Counts (-32,768 to +32,767)
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Backplane Current Draw: 200 mA @ 5V, 100 mA @ 24V DC
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Thermal Dissipation: 3.4 Watts
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LED Indicators: 9 green status LEDs (8 channels + module status)
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Wire Size: 14 AWG
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Chassis Slot: Any I/O slot except slot 0
Applications
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Signal monitoring and acquisition in industrial automation
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Process control with SLC 500 PLCs
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Integration with PID loops for precise control of analog devices
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Suitable for combination AC/DC I/O environments
FAQs
Q1: Which signal types are supported?
Both voltage and current inputs, including 0–20 mA, 4–20 mA, 0–10V, and 1–5V DC.
Q2: Can this module be installed in slot 0?
No, installation is allowed in any I/O slot except slot 0.
Q3: How fast does it update analog readings?
Each channel updates every 6 milliseconds for real-time control applications.
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.
Tech & Buying Guide
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