Product Details
Overview
The Allen-Bradley 1756-IA16I is a ControlLogix isolated AC input module engineered for reliable monitoring and control in industrial automation systems. Equipped with 16 individually isolated inputs, it ensures safe signal separation and prevents cross-channel interference. The module operates within a broad AC voltage range, making it suitable for a variety of 120V AC applications.
Technical Specifications
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Manufacturer: Allen-Bradley (Rockwell Automation)
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Model / Part Number: 1756-IA16I
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Product Type: ControlLogix Isolated Input Module
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Voltage Category: 120V AC, 50/60 Hz
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Operating Voltage Range: 74–132V AC
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Number of Inputs: 16, individually isolated
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Removable Terminal Blocks: Compatible with 1756-TBCH, 1756-TBS6H
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Power Dissipation (Max): 4.9 W @ 60°C (140°F)
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Isolation Voltage: 125V continuous; tested to 1200V AC for 2 seconds
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Mounting: DIN rail or panel mount within standard ControlLogix chassis
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Weight: 0.22 kg
Key Features
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16 fully isolated AC input channels for accurate signal monitoring
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Compatible with standard ControlLogix terminal blocks for flexible installation
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High isolation rating to protect backplane and adjacent modules
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Low power consumption and compact 1-slot design for efficient chassis usage
Applications
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Monitoring 120V AC signals in control panels
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Industrial process automation requiring isolated input detection
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Integration into ControlLogix chassis for distributed control systems
FAQs
Q1: How many inputs does the 1756-IA16I support?
The module supports 16 individually isolated AC inputs for reliable monitoring.
Q2: What is the isolation voltage?
Rated at 125V continuous, and tested to 1200V AC for 2 seconds to ensure channel and backplane protection.
Q3: Which terminal blocks are compatible?
Removable blocks 1756-TBCH and 1756-TBS6H can be used for installation.
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.
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
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.
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