Product Details
Overview
The Allen-Bradley 1794-IB16D is a high-performance FLEX I/O digital input module providing 16 current sinking DC inputs with integrated diagnostic indicators. Designed for modular control networks, this module delivers precise signal monitoring, rapid fault detection, and reliable system integration.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model / Part Number: 1794-IB16D
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Product Type: FLEX Digital DC Input Module with Diagnostics
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Number of Inputs: 16, current sinking
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Recommended Terminal Bases: 1794-TB32, 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15
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Nominal Input Impedance: 3.1 kΩ
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Isolation Voltage: 50 V continuous, Basic insulation; type tested at 2121 V DC for 2 s between field side and system
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Channel Isolation: No isolation between individual channels
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FlexBus Current: 30 mA @ 5 V DC
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Max Power Dissipation: 8.5 W @ 31.2 V DC
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Max Thermal Dissipation: 29 BTU/hr @ 31.2 V DC
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Sensor Power: Max 2.2 V voltage drop, 50 mA current
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Field Indicators: 16 yellow ON/OFF LEDs, 16 red diagnostic LEDs, 1 red module fault LED
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Dimensions (HxWxD): 4.57 × 9.4 × 5.33 cm
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Shipping Weight: 1.5 kg
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Operating Temperature: Standard FLEX I/O range (-20°C to 70°C typical)
Applications
Suitable for distributed digital input collection in modular control systems, process monitoring, and machine automation. The diagnostic LEDs provide real-time status and fault detection, reducing maintenance time and improving system reliability.
FAQ
Q: How many input channels does 1794-IB16D provide?
A: The module has 16 sinking DC input channels.
Q: Does it provide diagnostics for each channel?
A: Yes, it features 16 yellow status indicators, 16 red diagnostic indicators, and 1 module fault indicator.
Q: Which terminal bases are compatible with this module?
A: Compatible with 1794-TB32, 1794-TB32S, 1794-TB62DS, and 1794-TB62EXD4X15.
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.