Product Details
Overview
The Allen-Bradley 1746-NO8I is a high-performance digital DC output module designed for SLC 500 systems. This 16-point module provides reliable switching of DC loads, optimized for industrial control applications. It delivers precise and consistent output while maintaining low signal delays, making it suitable for machine automation and process control environments.
Technical Specifications
Module Details
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Model: 1746-NO8I
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Manufacturer: Allen-Bradley
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Product Type: Digital DC Output Module
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System Compatibility: SLC 500
Electrical Ratings
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Voltage Category: 24 VDC Signal Output
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Operating Voltage: 10–50 VDC (source)
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Number of Outputs: 16
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Points per Common: 16
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Continuous Current per Point: 0.50 A @ 30°C, 0.25 A @ 60°C
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Maximum Module Current: 8.0 A @ 30°C, 4.0 A @ 60°C
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Minimum Load Current: 1 mA
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On-State Voltage Drop: Max 1.2 V @ 0.50 A
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Off-State Leakage Current: Max 1 mA
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Backplane Current Consumption: 0.280 A @ 5V DC, 0.0 A @ 24V DC
Timing & Response
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Signal Delay ON: 0.1 ms
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Signal Delay OFF: 1.0 ms
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Surge Current per Point: 4.0 A for 10 ms
Environmental & Physical
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Operating Temperature: 0–60 °C
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Weight: 0.37 kg
Applications
The 1746-NO8I is ideal for controlling discrete devices such as DC relays, indicator lamps, solenoids, and other low-voltage actuators. Its fast response and stable outputs make it suitable for manufacturing automation, packaging machines, and process control systems requiring precise DC switching.
FAQ
Q: How many outputs are available on this module?
A: 16 discrete DC outputs.
Q: What is the supported voltage range?
A: 10–50 VDC, with optimized performance at 24 VDC.
Q: Can this module handle short surge currents?
A: Yes, up to 4.0 A for 10 ms per output point.
Q: What is the maximum continuous current per module?
A: 8.0 A at 30°C, 4.0 A at 60°C.
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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.