Product Details
Overview
The Allen-Bradley 1794-IB32 is a 32-point DC sinking digital input module designed for the FLEX I/O system. It provides high-density input capability in compact form, allowing reliable digital signal acquisition in distributed control architectures. With LED indication, field-side isolation, and flexible mounting options, this module delivers performance suited for industrial automation and process 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-IB32
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Product Type: Digital Input Module
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Number of Inputs: 32 sinking-type channels
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Nominal Input Voltage: 24V DC
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Nominal Input Impedance: 22.2 kΩ
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Input Type: Current, sinking
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Isolation Voltage: 50V continuous, basic insulation
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Type tested at 2121V DC for 2 seconds between field and system
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No isolation between individual channels
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FlexBus Current Draw: 25 mA @ 5V DC
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Power Dissipation (Max): 6.0 W @ 31.2V DC
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Thermal Dissipation (Max): 20.47 BTU/hr @ 31.2V DC
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Recommended Terminal Base Units: 1794-TB32, 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15
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Indicators: 32 yellow LEDs (status for each input channel)
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External Power Supply: 24V DC nominal
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Mounting Type: DIN Rail
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Dimensions (L x W x H): 6.9 cm × 9.4 cm × 9.4 cm
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Weight: 2 kg
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Terminal Base Screw Torque: Determined by terminal base used
Key Features
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High-density 32-point sinking digital input module for FLEX I/O systems
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Compact, modular design ideal for distributed automation networks
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Integrated per-channel status indication simplifies system diagnostics
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24V DC nominal operation for standard industrial environments
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Compatible with multiple FLEX terminal base options for flexible wiring
Application Scenarios
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Distributed I/O applications in process and factory automation
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High-channel-count machine control systems requiring compact input modules
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Integration with Allen-Bradley ControlLogix, CompactLogix, or PLC-5 systems
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Real-time signal monitoring for sensors, switches, and limit detectors
FAQs
Q: What is the difference between sourcing and sinking inputs?
A: Sinking inputs connect to devices that source current (PNP-type sensors), allowing current to flow into the module input terminal.
Q: Can I use the 1794-IB32 with a CompactLogix controller?
A: Yes, the module integrates seamlessly with CompactLogix and ControlLogix systems via an adapter.
Q: What is the recommended operating voltage?
A: The module operates at a nominal 24V DC with acceptable variation from 10V to 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
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Site Acceptance Testing (SAT) for PLC Control Systems: An Engineering Execution Guide
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Mastering the Factory Acceptance Test (FAT) for PLC Control Panels: An Expert Guide
The Factory Acceptance Test (FAT) is a vital milestone in industrial automation that ensures custom PLC panels meet exact design specifications before dispatch. This guide outlines the step-by-step FAT procedure and key industry best practices to prevent costly site delays and ensure long-term operational success.