Product Details
Product Description
The 1794-L34 is a Flex I/O controller from Allen-Bradley, designed for efficient distributed control and reliable system integration. Compact yet powerful, it supports extended I/O connections and DIN rail or panel mounting, making it ideal for modular industrial setups.
Key Features and Specifications:
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Controller Type: FlexLogix / Flex I/O
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Part Number: 1794-L34
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User Memory: 512 KB
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Nominal Voltage: 24V DC (range 19.2–31.2 VDC)
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Input Current: Max 0.85A at 24V DC
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Backplane Current: 653 mA at 5.1V DC maximum
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Power Dissipation: 25.5 W at 19.2V; 20.4 W at 24V DC
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Thermal Dissipation: 87 BTU/hr at 19.2V
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Isolation Voltage: 30V DC continuous, tested up to 850V DC for 60 s
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Mounting Options: DIN Rail (steel 35 x 7.55mm, AB 199-DR1 / 46277-3) or Panel mount
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Flexbus Cable Support: 1 ft (1794-CE1) and 3 ft (1794-CE3)
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Power Connector Torque: 0.6–0.8 N·m
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Operating Temperature: 0–60°C
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Storage Temperature: -40–85°C
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Weight: 1.69 lbs (0.77 kg)
Applications:
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Distributed control for modular manufacturing systems
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Remote I/O management for automation panels
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Process monitoring with extended local I/O
FAQ / Notes:
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Compatible with Allen-Bradley Flex I/O modules and FlexBus cabling
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DIN rail mounting recommended for ease of installation
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Memory expansion not supported; 512 KB onboard
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.