Product Details
Overview
The Allen-Bradley 1771-A4B is a durable 16-slot I/O chassis designed for use with the PLC-5 series of programmable logic controllers. With a rugged build and high power handling capabilities, this module is ideal for applications requiring stable and reliable I/O processing in harsh industrial environments.
Key Features
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Model Number: 1771-A4B
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Manufacturer: Allen-Bradley
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Product Line: PLC-5
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Product Type: 16-Slot I/O Chassis
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Mounting: Back panel mount
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Module Type: I/O Chassis
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Location: Stand-alone
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Enclosure Type: Open style
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Weight: 13.38 lbs (6.07 kg)
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Vibration Resistance: 2 g (10-500 Hz)
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Nonoperating Shock Resistance: 30 g
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Operating Shock Resistance: 15 g
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Relative Humidity: 5% to 95% (non-condensing)
Electrical Specifications
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Max Backplane Current (at 5 Volts DC): 24 Amperes
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Number of Module I/O Slots: 16 slots for versatile configuration and expansion
Applications
The 1771-A4B chassis is engineered for use in demanding industrial environments, housing I/O modules for PLC-5 systems in applications ranging from manufacturing to process control. Its high vibration and shock resistance make it suitable for use in rough factory floor conditions.
FAQs
Q: What types of modules can be installed in the 1771-A4B?
A: The 1771-A4B is compatible with a wide range of PLC-5 I/O modules, making it versatile for numerous control applications.
Q: Can the 1771-A4B chassis handle high shock and vibration environments?
A: Yes, the 1771-A4B chassis is built to withstand 2 g vibration and 30 g nonoperating shock, ensuring reliable performance in industrial settings.
Q: Is the 1771-A4B chassis suitable for use in outdoor environments?
A: The 1771-A4B features an open style enclosure, making it ideal for controlled indoor environments. It has resistance to moisture, with a humidity range of 5-95% (non-condensing), but should not be exposed to direct outdoor conditions.
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
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.