Product Details
Overview
The 1756-IB16I from Allen-Bradley is an isolated DC input module designed for ControlLogix systems. It provides reliable signal acquisition with individual channel isolation to prevent electrical interference and enhance system stability. Ideal for critical control applications requiring precise input monitoring.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model / Part Number: 1756-IB16I
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Module Type: Logic Module for 700 to 1500 Terminals
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Number of Inputs: 16 individually isolated channels
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Voltage Category: 12/24V DC sink/source
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Nominal Input Voltage: 24V DC
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Operating Voltage Range: 10…30V DC
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Total Backplane Power: 0.58 W
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Maximum Power Dissipation: 5 W @ 60 °C (140 °F)
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Thermal Dissipation: 17.05 BTU/hr
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Isolation Voltage: 250V continuous (basic insulation type)
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Isolation Type: Inputs-to-backplane and input-to-input
Compatibility and Mounting
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Compatible with ControlLogix 5000 series chassis
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Mounting: standard ControlLogix rack
Application Notes
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Suitable for industrial control systems requiring electrically isolated inputs to reduce noise and prevent signal cross-talk
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Works with both DC sink and source devices
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Recommended for high-reliability automation environments
FAQ
Q: Can the 1756-IB16I be used in high-temperature environments?
A: Yes, it operates reliably up to 60 °C (140 °F).
Q: How many modules can be connected per chassis?
A: Supports standard ControlLogix chassis configurations; refer to Allen-Bradley guidelines for total module count.
Q: Does it support both source and sink devices?
A: Yes, the module supports 12/24V DC sink/source input types.
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
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.