Product Details
Overview
The 1756-PA72 is a robust AC power supply designed for Allen-Bradley ControlLogix systems. It provides reliable multi-voltage outputs for processor modules, I/O modules, and communication modules in industrial control applications.
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Family: ControlLogix
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Part Number: 1756-PA72
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Product Type: AC Power Supply Module
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Weight: 2.69 lbs (1.22 kg)
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Input Voltage: 85–265 VAC, 47–63 Hz
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Nominal Input Voltage: 120/240 VAC
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Current Rating: 20 A
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Mounting Style: Chassis mount
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Output Current Capacity:
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1.5 A @ 1.2 VDC
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4 A @ 3.3 VDC
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10 A @ 5.1 VDC
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2.8 A @ 24 VDC
Key Features
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Multi-Voltage Output: Provides several DC voltages for integrated ControlLogix systems
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High Reliability: Designed for continuous industrial operation with stable performance
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Chassis Mountable: Easy installation within ControlLogix racks
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Compact Design: Lightweight at 2.69 lbs, saving panel space
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Wide Input Range: Accepts 85–265 VAC, suitable for global applications
Applications
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Powering ControlLogix processor and I/O modules
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Integration into industrial PLC racks for machine control
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Replacement or upgrade for existing Allen-Bradley systems
FAQs
Q: Can the 1756-PA72 support multiple ControlLogix modules simultaneously?
A: Yes, it provides multi-voltage outputs to support processors, I/O, and communication modules.
Q: What is the input voltage range for this power supply?
A: It accepts 85–265 VAC at 47–63 Hz, compatible with standard industrial AC power sources.
Q: How is it mounted in a ControlLogix system?
A: The unit is designed for chassis mounting in ControlLogix racks.
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 Spurious Trips in Emergency Stop Systems: A Technical Guide
In industrial automation, the Emergency Stop (E-Stop) pushbutton is the ultimate safety line. However, relying on a single Normally-Closed (NC) contact can sometimes lead to unexpected spurious trips. As a control systems engineer, I have seen these nuisance trips halt entire production lines, causing significant downtime. Understanding why these components fail and how to implement robust architecture is essential for any reliable DCS or PLC-based safety system.
Sequencing Induction Motor Control with PLC Logic: Best Practices
In modern industrial automation, controlling a group of induction motors requires precision and safety. Uncontrolled simultaneous startup of multiple large motors often causes significant voltage dips, potentially triggering protective trips. Therefore, implementing a sequential startup and shutdown strategy is essential. This approach minimizes inrush current and ensures the system operates within established power constraints. A robust PLC program serves as the ideal engine for orchestrating these sequences.
Mastering PLC Programming: Best Practices for Robust Industrial Automation
Writing clean PLC code requires discipline, especially regarding memory management. Avoid overusing SET and RESET instructions, as they often complicate debugging. If multiple rungs control the same bit, troubleshooting becomes a nightmare. Instead, focus on energizing a bit in only one location. If your logic requires complex conditions, use branches within a single rung. This approach keeps your code readable, maintainable, and significantly easier to audit during downtime.