Product Details
Overview
The Allen-Bradley 1756-OA16I is a high-performance ControlLogix digital AC output module featuring 16 individually isolated points. Designed for reliable switching of AC loads in control systems, it provides precise output timing, robust isolation, and efficient power handling suitable for demanding industrial environments.
Technical Specifications
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Manufacturer: Allen-Bradley (Rockwell Automation)
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Model / Part Number: 1756-OA16I
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Product Type: Digital AC Output Module
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Product Line: ControlLogix
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Number of Outputs: 16 isolated AC outputs
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Output Voltage: 120/240 VAC
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Operating Voltage Range: 74–265 VAC
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OFF-to-ON Delay Time: 9.3 ms @ 60 Hz, 11 ms @ 50 Hz
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OFF-State Leakage Current: 3 mA per point
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Continuous Current per Point: 2 A @ 30°C, 1 A @ 60°C (linear derating)
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Maximum Continuous Module Current: 5 A @ 30°C, 4 A @ 60°C
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Backplane Current: 225 mA @ 5.1 VDC; 3 mA @ 24 VDC
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Power Dissipation (Max): 5.5 W @ 60°C
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Isolation Voltage: 50 V continuous
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Removable Terminal Blocks: 1756-TBCH, 1756-TBS6H
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Enclosure: Open-type, no enclosure required
Key Features
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16 individually isolated outputs for flexible AC load control
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Supports both 120 VAC and 240 VAC systems
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Fast OFF-to-ON switching ensures accurate output timing
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Linear derating accommodates high-temperature operation
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Removable terminal blocks simplify wiring and maintenance
Applications
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AC load control in ControlLogix systems
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Lighting, motor, and solenoid control
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Integration with high-voltage discrete control systems
FAQs
Q1: What is the maximum current per output?
Each output supports 2 A at 30°C and 1 A at 60°C, with module max 5 A / 4 A.
Q2: Does the module support isolated outputs?
Yes, all 16 points are individually isolated for safe AC operation.
Q3: Can it be installed without an enclosure?
Yes, the module is open-type and does not require an enclosure.
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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As control systems evolve across modern factory automation, understanding the root causes of these interruptions helps engineers minimize costly downtime. This technical guide breaks down why PLCs trip into Stop mode and provides practical strategies to mitigate system faults.
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Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.