Product Details
Product Overview
The Allen-Bradley 1769-OW8I is an 8-channel AC/DC relay output module designed for CompactLogix and MicroLogix 1500 controllers. Each output is individually isolated, supporting a wide operating voltage range and providing reliable control for discrete devices such as solenoids, lamps, and actuators. The module combines compact design, flexible mounting, and low power dissipation, making it suitable for high-density I/O configurations in industrial control panels.
Technical Specifications
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Manufacturer: Allen-Bradley (Rockwell Automation)
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Model Number: 1769-OW8I
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Series: CompactLogix / Compact I/O
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Product Type: Discrete Output Module
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Number of Outputs: 8 individually isolated relay outputs
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Output Type: AC/DC relay, normally open
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Compatible Controllers: MicroLogix 1500, CompactLogix series
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Operating Voltage Range: 5–265 VAC, 5–125 VDC
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Signal Delay (ON): 10 milliseconds
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Bus Current Draw: 125 mA @ 5.1 VDC, 100 mA @ 24 VDC
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Wire Compatibility:
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Solid: 22–14 AWG copper
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Stranded: 22–16 AWG copper
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Slot Width: 1
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Power Supply Compatibility: 1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
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Heat Dissipation: 2.83 W
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Mounting: DIN rail or panel mount
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Series Designation: A and B
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Communication Cable Support: 8-point I/O connections
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Weight: 0.23 kg (0.50 lb)
Application Scenarios
The 1769-OW8I module is commonly used for:
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Switching AC/DC loads in CompactLogix control panels
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Controlling solenoids, relays, and indicator lights in machinery
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Compact systems requiring reliable high-voltage relay outputs
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Automation setups where individual isolation of channels is essential
Comparison with Similar Modules
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1769-OW8: AC relay output module with similar 8-point design
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1769-OB8: Transistor output module for DC load switching
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1769-OW16: Larger 16-point relay output module for expanded systems
FAQ
Q: Can the 1769-OW8I control both AC and DC devices?
A: Yes, it supports AC loads up to 265 V and DC loads up to 125 V.
Q: How are the outputs isolated?
A: Each of the 8 channels is individually isolated to prevent interference between loads.
Q: Which CompactLogix power supplies are compatible with this module?
A: Compatible power supplies include 1769-PA2, 1769-PB2, 1769-PA4, and 1769-PB4.
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.