Product Details
Overview
The Allen-Bradley 1756-IB16D is a 16-point diagnostic digital input module designed for the ControlLogix platform. It provides real-time status monitoring and fault detection for DC input signals within a 10–30V DC operating range. Each channel features diagnostic capability for detecting open-wire, short-circuit, and load anomalies, enabling predictive maintenance and minimizing downtime in industrial automation systems.
Technical Specifications
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Model / Part Number: 1756-IB16D
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Brand: Allen-Bradley
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Manufacturer: Rockwell Automation
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Product Line: ControlLogix
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Product Type: Diagnostic Digital DC Input Module
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Number of Inputs: 16 channels (individually diagnostic)
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Input Type: DC sink
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Nominal Input Voltage: 12–24V DC
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Operating Voltage Range: 10–30V DC
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Input Delay Time: 4 ms hardware delay + user-selectable filter
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Diagnostic Capabilities: Open-wire, no-load, and short-circuit detection
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Backplane Current (5V DC): 150 mA
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Power Dissipation (max): 5.8 W @ 60°C (140°F)
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Isolation Voltage: 250V continuous, input-to-backplane and channel-to-channel isolation
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Compatible Terminal Blocks: 1756-TBCH or 1756-TBS6H removable terminal blocks
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Module Keying: Electronic, software configurable
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Enclosure Type: Open-style (for ControlLogix chassis mounting)
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Operating Temperature: 0°C to 60°C (32°F to 140°F)
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Storage Temperature: -40°C to +85°C (-40°F to +185°F)
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Humidity: 5–95% non-condensing
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Shock Rating: 30 g operating, 50 g non-operating
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Vibration: 10–500 Hz, 2 g peak
Key Features
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Integrated diagnostics for improved fault detection and maintenance efficiency
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16 individually monitored inputs with time-stamped event tracking
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Compatible with ControlLogix chassis for easy system integration
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User-configurable input filters to optimize performance in noisy environments
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Robust isolation for reliable operation in industrial conditions
Applications
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Factory automation and production line control
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Input signal monitoring for DC sensors and limit switches
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Predictive maintenance and condition monitoring systems
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Control panels and distributed I/O architectures
FAQs
Q1: What makes the 1756-IB16D different from standard input modules?
The 1756-IB16D offers built-in diagnostics such as open-wire and short-circuit detection, providing advanced fault analysis compared to standard DC input modules.
Q2: Which removable terminal blocks are compatible with this module?
It supports the 1756-TBCH (36-position cage clamp) and 1756-TBS6H (36-position spring clamp) terminal blocks.
Q3: Can the module operate in high-temperature environments?
Yes. It operates reliably up to 60°C (140°F), suitable for industrial control panels and enclosures.
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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