Product Details
Overview
The Allen-Bradley 1769-OB32 is a 32-point DC output module designed for the Compact I/O system, offering reliable solid-state switching for control and automation applications. It provides high-speed output performance, robust isolation, and flexible installation options for use with CompactLogix and MicroLogix 1500 controllers.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model Number: 1769-OB32
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Product Type: 32-Point DC Output Module
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Output Channels: 32 sourcing outputs (16 points per group)
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Voltage Category: 24 V DC source type
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Operating Voltage Range: 20.4 V DC to 26.4 V DC
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Current Draw (5.1 V Bus): 300 mA typical
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Output Current Rating: 0.5 A per point, 8 A per module maximum (steady-state)
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Surge Current: 2.0 A for 10 ms, repeatable every 2 s
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Isolation Voltage:
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1200 V AC for 1 s or 1697 V DC for 1 s between output point and bus
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75 V DC continuous working voltage (IEC Class 2 reinforced insulation)
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Power Dissipation: 4.5 W maximum at rated load
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Slot Width: 1.5 modules
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Power Supply Compatibility: 1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
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Power Supply Distance Rating: Up to 6 modules from the power supply
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Wiring Type: Copper conductors, rated 90 °C (194 °F)
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Enclosure Type: Open-style module (requires protective housing)
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Mounting Options: DIN-rail or panel-mounted installation
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Dimensions (H × W × D): 118 mm × 52.5 mm × 87 mm (approx.)
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Weight: Approx. 280 g
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Replacement Terminal Block: 1769-RTBN18 (one per kit)
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Operating Temperature Range: 0 °C to +60 °C (32 °F to 140 °F)
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Storage Temperature Range: −40 °C to +85 °C (−40 °F to 185 °F)
Key Features
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High-Density Design: 32 individually controlled DC output points in a single module for efficient space usage.
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Fast Response: Designed for high-speed switching in automation control applications.
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Reinforced Isolation: Meets IEC Class 2 insulation standards for safe electrical separation between circuits.
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Thermal Efficiency: Low heat generation with a maximum power dissipation of 4.5 W.
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Modular Flexibility: Fully compatible with Compact I/O power supplies and controller modules.
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Ease of Maintenance: Detachable terminal block simplifies wiring and field replacement.
Application Scenarios
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Machine automation and discrete control systems
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Material handling, packaging, and assembly line operations
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Process control requiring multiple DC output points
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Integration within CompactLogix or MicroLogix 1500 I/O configurations
FAQ
Q1: What controllers are compatible with the 1769-OB32?
It can be used with Allen-Bradley CompactLogix and MicroLogix 1500 controllers that support the 1769 Compact I/O platform.
Q2: Does the module support both sourcing and sinking outputs?
No. The 1769-OB32 provides sourcing outputs only, designed for DC loads.
Q3: What is the recommended replacement terminal block?
Use 1769-RTBN18 (one per module) for secure wiring and easy maintenance.
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
PLC vs. HMI: Distinguishing the Brain from the Interface in Industrial Automation
In the realm of industrial automation, distinguishing between a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) is fundamental. While both devices work in tandem, they serve distinct purposes. The PLC acts as the "brain" of the operation, executing logic, whereas the HMI serves as the "eyes," allowing operators to monitor and interact with the system. Understanding this synergy is essential for any professional designing robust factory automation solutions.
Selecting the Right Industrial Automation Solution for Modern Manufacturing
Choosing an effective industrial automation system starts with a thorough process audit. You must identify tasks that are repetitive, labor-intensive, or prone to human error. Not every process requires high-level automation; therefore, prioritize operations that directly impact throughput and quality. By scoping your needs accurately, you avoid over-investing in unnecessary technology. A balanced approach ensures that your capital expenditure aligns with measurable gains in operational efficiency.
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.