Product Details
Product Description
The Allen Bradley 1715-A3IO is a three-slot input/output base unit designed for distributed control systems. It provides reliable backplane connectivity, integrated fuse protection, and robust electrical performance for industrial automation environments. With compact dimensions and open-style construction, the module is engineered for efficient installation and dependable operation in demanding applications.
Technical Specifications
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Manufacturer Allen Bradley
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Product Line 1715 Series
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Product Type 3-Slot I/O Base Unit
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Part Number 1715-A3IO
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Wiring Category Category 2 (signal ports)
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Fuse Type 50 mA, 125 V, Type T
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Temperature Code (North America) T4
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Temperature Code (IEC) T4
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Enclosure Type Open-style (no housing)
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Backplane Current 165 mA @ 18–32 V DC
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Field Voltage Slew Rate (Max) 150 V/s
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De-energized Output Voltage Slew Rate (Max) 12 V/ms
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Energized Output Current Slew Rate (Max) 0.9 A/ms
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System Power Dissipation 3.0 W max
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Field Loop Power Dissipation 0.17 W per loop max
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Isolation Voltage 50 V continuous (basic insulation type, I/O ports to backplane)
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Type Test 500 V AC for 60 seconds
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Dimensions (D × W × H) 11.8 cm × 4.2 cm × 16.6 cm
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Weight 0.26 kg
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Shipping Weight 1.5 kg
Application Scenarios
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Distributed control systems requiring modular I/O expansion
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Machine-level automation with compact base units
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Industrial environments needing reliable backplane connectivity and fuse protection
FAQ
Q: What type of fuse does the 1715-A3IO use? A: It uses a 50 mA, 125 V Type T fuse.
Q: Does the module provide isolation between I/O ports? A: No, isolation is provided between I/O ports and the backplane only.
Q: What is the maximum system power dissipation? A: 3.0 W maximum.
Comparable Models
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1715-A3IO: 3-slot I/O base unit (this model)
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1715-A2IO: 2-slot I/O base unit
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1715-A4IO: 4-slot I/O base unit for higher capacity
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
Master Acceptance Testing: Understanding FAT and SAT in Industrial Control Systems
Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) serve as critical quality assurance gateways in complex industrial control systems. Both procedures verify that programmable logic controllers (PLCs), distributed control systems (DCS), and associated field devices meet strict functional specifications. However, executing these tests effectively requires clear delineation between off-site staging and final field commissioning.
Industrial Networking Essentials: Demystifying Hubs, Switches, and Routers in Control Systems
Industrial automation relies heavily on robust networking infrastructure to connect programmable logic controllers (PLCs), distributed control systems (DCS), and human-machine interfaces (HMIs). Modern factory automation environments generate vast amounts of real-time operational data across deterministic networks. Understanding the structural differences between hubs, switches, and routers ensures optimal traffic segmentation, minimizes latency, and maintains high network availability.
Safety Relays in Industrial Automation: Fundamentals, Design Standards, and Fail-Safe Architecture
Safety relays form the bedrock of functional safety in modern factory automation, preventing catastrophic equipment failure and protecting plant personnel. While standard electromechanical relays handle basic load switching, they lack the redundant diagnostics required for high-risk industrial environments. Modern industrial automation platforms—including programmable logic controllers (PLCs) and distributed control systems (DCS)—rely on specialized safety relays to monitor field devices and isolate hazards instantly.