Product Details
Product Description
The Allen-Bradley 1756-IB16ISOE is a ControlLogix digital input module designed for sequence-of-events (SOE) applications. It provides 16 individually isolated DC inputs, enabling precise event capture with high-speed response. The module supports both sink and source configurations, making it versatile for industrial monitoring and control systems.
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Line: ControlLogix
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Part Number: 1756-IB16ISOE
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Category: PLCs
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Weight: 0.44 lbs (0.20 kg)
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Module Type: Digital DC Isolated Input (SOE)
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Inputs: 16 isolated channels
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Input Voltage Range: 24–48 V DC (sink/source)
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Operating Voltage Range: 10–55 V DC
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Input Delay Time: 50 µs + selectable filter time
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Minimum Operating Current: 5.5 mA at 55 V DC
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Maximum Operating Current: 2 mA at 10 V DC
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Off-State Current (Max): 1.5 mA
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Power Dissipation: 5.5 W at 60 °C
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Backplane Current Draw:
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275 mA @ 5 V DC
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2 mA @ 24 V DC
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Terminal Blocks: 1756-TBCH, 1756-TBS6H (removable)
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Isolation Voltage: 75 V continuous; type-tested at 1200 V AC for 2 s
Features
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High-speed event capture with 50 µs response
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Individually isolated inputs for improved reliability
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Supports both sink and source wiring configurations
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Designed for sequence-of-events monitoring in critical applications
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Compatible with removable terminal blocks for simplified wiring
Application Scenarios
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Power System Monitoring: Event capture for fault detection and logging
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Industrial Automation: Precise input tracking for safety and control systems
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Critical Infrastructure: Sequence-of-events recording in energy and utility networks
FAQ
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Q: How many inputs does the 1756-IB16ISOE provide? A: Sixteen individually isolated DC inputs.
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Q: What is the input delay time? A: 50 microseconds plus selectable filter time.
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Q: Which terminal blocks are compatible? A: 1756-TBCH and 1756-TBS6H.
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Q: What isolation voltage is supported? A: 75 V continuous, tested at 1200 V AC for 2 seconds.
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Q: How does this compare to the 1756-IB16? A: The 1756-IB16ISOE provides isolated inputs and SOE functionality, while the 1756-IB16 is a standard DC input module without event sequencing.
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
Mastering PLC Programming: Best Practices for Robust Industrial Automation
Writing clean PLC code requires discipline, especially regarding memory management. Avoid overusing SET and RESET instructions, as they often complicate debugging. If multiple rungs control the same bit, troubleshooting becomes a nightmare. Instead, focus on energizing a bit in only one location. If your logic requires complex conditions, use branches within a single rung. This approach keeps your code readable, maintainable, and significantly easier to audit during downtime.
PLC vs. HMI: Distinguishing the Brain from the Interface in Industrial Automation
In the realm of industrial automation, distinguishing between a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) is fundamental. While both devices work in tandem, they serve distinct purposes. The PLC acts as the "brain" of the operation, executing logic, whereas the HMI serves as the "eyes," allowing operators to monitor and interact with the system. Understanding this synergy is essential for any professional designing robust factory automation solutions.
Selecting the Right Industrial Automation Solution for Modern Manufacturing
Choosing an effective industrial automation system starts with a thorough process audit. You must identify tasks that are repetitive, labor-intensive, or prone to human error. Not every process requires high-level automation; therefore, prioritize operations that directly impact throughput and quality. By scoping your needs accurately, you avoid over-investing in unnecessary technology. A balanced approach ensures that your capital expenditure aligns with measurable gains in operational efficiency.