Product Details
Product Overview
The Allen-Bradley 1756-IB16S serves as a high-density 16-point safety-rated digital input module designed for the ControlLogix platform. It directly monitors critical safety devices, including emergency stop buttons, safety gate switches, and light curtains, providing essential data for personnel and machine protection systems. With per-channel status monitoring and integrated diagnostics, this module ensures rapid fault detection and maintains the integrity of your safety circuit. We supply this item as a 100% Brand New, factory-sealed unit.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Series | ControlLogix |
| Product Type | Safety Input Module |
| Number of Inputs | 16 Safety-rated Digital Points |
| Input Configuration | Sinking |
| Rated Input Voltage | 24 V DC |
| Operating Voltage Range | 10 - 32 V DC |
| Safety Operation Mode | Single-channel |
| Diagnostics | Integrated per-channel status monitoring |
| Status Indicators | Input Status LEDs |
| Configuration Type | Fixed |
| Backplane Interface | 1756 Backplane |
| Weight | 1.13 lbs (0.51 kg) |
Engineering Advantages
High-Density Safety Signal Monitoring
The 1756-IB16S maximizes your control cabinet space by consolidating 16 safety-rated inputs into a single module slot. This high channel density is perfect for complex machinery or production lines that require extensive safety guarding, such as multiple interlocked access doors and pull-cord switches, reducing the total number of modules needed in your chassis.
Rigorous Safety and Diagnostic Capabilities
Engineered to meet strict functional safety standards, this module features comprehensive integrated diagnostics. It continuously monitors the health of each input channel, instantly detecting issues like wire breaks or short circuits. The dedicated input status LEDs provide maintenance technicians with immediate visual feedback, significantly speeding up troubleshooting and minimizing machine downtime during safety faults.
Seamless ControlLogix Integration
This module plugs directly into the standard 1756 backplane, allowing you to mix safety and standard I/O within the same ControlLogix rack. It draws power directly from the backplane and interfaces natively with GuardLogix controllers, simplifying your system architecture and eliminating the need for complex external safety wiring or standalone safety relay panels.
FAQs
Q: What type of input configuration does the 1756-IB16S use?
A: The 1756-IB16S utilizes a sinking input configuration. Ensure your field safety devices (such as E-stops and safety switches) are wired to source 24V DC to these inputs.
Q: How many safety inputs does this module provide?
A: This module provides 16 discrete, safety-rated digital input points, allowing you to monitor a large number of safety devices efficiently within a single ControlLogix slot.
Q: What is the operating voltage range for the inputs?
A: While the rated input voltage is 24V DC, the module operates reliably within a wide voltage range of 10 to 32V DC, accommodating standard industrial control power fluctuations.
Q: Can I use this module in a standard ControlLogix chassis?
A: Yes, the 1756-IB16S is designed to mount in any standard 1756 backplane. However, to process the safety signals, it must be used in a system with a GuardLogix safety controller or a compatible safety partner.
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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Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.
Optimizing Power Supply Sizing for Industrial Automation Systems
The power supply is the silent heartbeat of any industrial automation system. While engineers often prioritize processors and communication protocols, a stable power architecture remains the most critical factor for long-term reliability. In my 15 years of experience, I have found that neglecting power supply sizing often leads to ghost errors, intermittent field device failures, and costly production downtime.