Product Details
Overview
The Allen-Bradley 1794-OB32P is a 32-point DC sourcing digital output module from the FLEX I/O family. It provides reliable and efficient signal output control for distributed I/O applications, supporting up to 4 A total output current. Designed for high-density installations, the module offers integrated electronic protection, compact DIN-rail mounting, and long-term operational stability for industrial control systems.
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Line: FLEX I/O Series
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Model / Part Number: 1794-OB32P
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Product Type: Digital Output Module
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Number of Outputs: 32 sourcing-type outputs
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Nominal Output Voltage: 24V DC
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On-State Voltage Range: 10V DC (min), 24V DC (nom), 31.2V DC (max)
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Output Current Rating: 4 A total (8 outputs @ 0.5 A each)
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Output Type: Current sourcing (PNP)
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FlexBus Current Draw: 60 mA @ 5V DC
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Power Dissipation (Max): 3.3 W @ 31.2V DC
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Thermal Dissipation (Max): 11.2 BTU/hr @ 31.2V DC
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Protection: Electronic short-circuit and overcurrent protection
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Mounting Type: DIN Rail
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Dimensions (L x W x H): 9.4 cm × 6.9 cm × 9.4 cm
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Weight: 0.085 kg
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Operating Voltage: 10–31.2V DC continuous
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Isolation: Field-to-system isolation, no isolation between individual channels
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Status Indicators: Individual output status via LED indicators
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Fusing: Electronic, non-replaceable, resettable protection circuit
Key Features
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32 sourcing outputs for compact, high-density digital control
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Built-in electronic short-circuit protection ensures reliable operation
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Wide DC voltage range for flexible application compatibility
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LED indication for simplified system diagnostics and monitoring
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Compact, lightweight module designed for efficient DIN-rail mounting
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Fully compatible with FLEX I/O communication adapters and terminal bases
Application Scenarios
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Discrete output control in automated manufacturing systems
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Distributed I/O systems using ControlLogix or CompactLogix controllers
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Motor starter and solenoid valve actuation
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Process control applications requiring compact DC output expansion
FAQs
Q: What type of output does the 1794-OB32P provide?
A: It provides sourcing (PNP) digital outputs suitable for 24V DC control applications.
Q: How are the outputs protected?
A: Each output is electronically protected against short circuits and overcurrent conditions.
Q: What is the recommended power supply voltage?
A: The nominal operating voltage is 24V DC, with a range between 10V and 31.2V DC.
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
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.