Product Details
Product Description
The Allen Bradley 1746-NI4 is a four-channel analog input module designed for the SLC 500 series. It supports both current and voltage input signals, offering high-resolution conversion with delta–sigma modulation technology. With 16-bit resolution, fast update times, and reliable repeatability, this module is engineered for precise analog signal processing in industrial automation systems.
Technical Specifications
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Manufacturer: Allen Bradley
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Category: PLCs
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Product Line: SLC 500
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Part Number: 1746-NI4
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Weight: 1.00 lbs (0.45 kg)
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Module Type: Analog Input Module
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Backplane Current (5 V): 35 mA
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Backplane Current (24 VDC): 85 mA
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Input Signal Range: -20 to +20 mA or -10 to +10 VDC
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Bandwidth: 10 Hz
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Current Input Coding: -16,384 to +16,384
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Voltage Input Coding: -32,768 to +32,767
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Resolution: 16 bits
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Update Time: 512 microseconds
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Step Response: 60 milliseconds
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Conversion Type: Delta–Sigma Modulation
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Converter Resolution: 16-bit
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Repeatability: ±1 LSB
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Non-linearity: 0.01%
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Chassis Location: Any I/O slot except slot 0
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Cable Lengths Supported: 0.5, 1, 2.5, or 5.0 meters
Application Scenarios
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Designed for SLC 500 systems requiring precise analog input measurement
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Suitable for process control, monitoring, and automation environments
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Ideal for current and voltage signal acquisition with high accuracy
FAQ
Q: How many input channels does the 1746-NI4 provide? A: It supports four analog input channels.
Q: What type of signals can be measured? A: Both current (-20 to +20 mA) and voltage (-10 to +10 VDC) signals.
Q: What is the resolution of the converter? A: The module provides 16-bit resolution with delta–sigma modulation.
Comparison with Similar Models
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1746-NI4: Four-channel analog input, supports current and voltage signals
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1746-NI8: Eight-channel analog input, higher density option
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1746-NO4I: Four-channel analog output, designed for 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.
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