Product Details
Product Description
The 1746-IB32 is a 32-point digital input module designed for Allen-Bradley SLC 500 programmable logic controllers. It supports 24 V DC sinking inputs, providing reliable signal interfacing for industrial control applications such as process monitoring, machine automation, and distributed I/O systems.
Engineered for high-density installations, this module delivers stable input performance across a wide voltage range and maintains low power dissipation, even in continuous-operation environments.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model / Part Number: 1746-IB32
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Product Type: Digital DC Input Module
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Series: SLC 500
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Input Type: Current-sinking DC inputs
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Number of Inputs: 32 points
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Nominal Voltage: 24 V DC
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Operating Voltage Range:
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15 – 30 V DC @ 50 °C (122 °F)
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15 – 26.4 V DC @ 60 °C (140 °F)
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Nominal Input Current: 5.1 mA @ 24 V DC
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Heat Dissipation per Point: 0.20 W
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Minimum Heat Dissipation: 0.25 W
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Total Power Dissipation: 6.65 W
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Mounting System: Standard SLC 500 chassis
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Dimensions: 4 × 13 × 15 cm
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Weight: 0.14 kg
Key Features
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32 sinking-type input points for high-density digital input applications
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Compact design for efficient use in SLC 500 chassis slots
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Wide input voltage tolerance ensures reliable operation in diverse environments
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Low heat generation for stable long-term performance
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Ideal for process control and machine automation systems
Applications
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Industrial machine input monitoring
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Manufacturing process control systems
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Distributed automation and digital signal interfacing
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.