Product Details
Overview
The Allen-Bradley 1771-A1B is a robust Remote I/O adapter module designed for the PLC-5 system, providing a versatile platform for connecting up to five I/O modules. This back-panel mounted chassis ensures reliable performance in industrial automation environments and is compatible with the 1771-P7 power supply module for seamless operation.
Key Features
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Module Slots: Supports up to 5 I/O modules for flexible system configuration
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Electrical Rating: Maximum backplane current of 16 A at 5 V DC
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Mounting: Back panel installation for standalone or rack-mounted systems
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Durability: Withstands operating shock of 15 g and non-operating shock of 30 g
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Vibration Resistance: Rated at 2 g for frequencies between 10–500 Hz
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Open-Style Enclosure: Easy access for wiring and maintenance
Technical Specifications
Manufacturer: Allen-Bradley
Part Number: 1771-A1B
Module Type: Remote I/O Adapter / Chassis
Number of I/O Slots: 5
Max Backplane Current: 16 A @ 5 V DC
Mounting Type: Back Panel
Enclosure Type: Open Style
Mechanical & Environmental
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Dimensions: 3.5 × 6.5 × 2.0 in (89 × 165 × 51 mm)
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Weight: 3.6 kg (8 lbs)
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Operating Shock: 15 g
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Non-Operating Shock: 30 g
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Vibration: 2 g (10–500 Hz)
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Location: Standalone installation
Applications
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PLC-5 series control systems
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Distributed I/O networks
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Industrial automation requiring multiple I/O modules
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Manufacturing processes needing robust backplane connectivity
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 Emergency Stop Spurious Trips in Industrial Control Systems
Emergency Stop pushbuttons use Normally Closed contacts for fail-safe safety, but mechanical wear can cause costly spurious trips. This technical guide examines E-Stop contact failure root causes, redundant hardware setups, PLC logic monitoring, and maintenance strategies to maximize plant availability.
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.
Site Acceptance Testing (SAT) for PLC Control Systems: An Engineering Execution Guide
The Site Acceptance Test (SAT) represents the definitive handover stage in industrial automation projects. While the Factory Acceptance Test confirms cabinet hardware assembly off-site, the SAT validates real-world performance under live site conditions. Consequently, a structured execution strategy prevents equipment damage and guarantees seamless integration into plant operations.