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
Preventing Emergency Stop Spurious Trips in Industrial Control Systems
Emergency Stop pushbuttons use Normally Closed contacts for fail-safe safety, but mechanical wear can cause costly spurious trips. This technical guide examines E-Stop contact failure root causes, redundant hardware setups, PLC logic monitoring, and maintenance strategies to maximize plant availability.
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.
Site Acceptance Testing (SAT) for PLC Control Systems: An Engineering Execution Guide
The Site Acceptance Test (SAT) represents the definitive handover stage in industrial automation projects. While the Factory Acceptance Test confirms cabinet hardware assembly off-site, the SAT validates real-world performance under live site conditions. Consequently, a structured execution strategy prevents equipment damage and guarantees seamless integration into plant operations.