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Allen-Bradley 1746-IB16 Digital DC Input Module

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Allen-Bradley 1746-IB16

by Allen-Bradley

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OverviewThe Allen-Bradley 1746-IB16 is a high-performance discrete DC input module crafted for seamless integration into the widely recognized SLC 500 programmable logic controller (PLC) family. This module delivers 16 sinking (PNP) DC inputs, making it an excellent choice for connecting a diverse array of industrial sensors, switches, and other field devices that operate on a 24V DC signal. Utilized across numerous industrial applications that leverage the powerful SLC 500 automation platform, the 1746-IB16 is valued for its consistent reliability and straightforward installation within the SLC 500 chassis. When accurate process control demands precise and dependable input signals, the 1746-IB16 offers a superior solution.Key Features 16 Discrete DC Inputs: Provides extensive connectivity for sixteen individual DC input devices, enabling comprehensive system monitoring. 24V DC Nominal Input Voltage: Fully compatible with standard industrial DC control voltages, ensuring broad application suitability. Sinking (PNP) Inputs: Engineered with sinking inputs, allowing the module to effectively draw current from connected field devices for reliable signal detection. Seamless SLC 500 Compatibility: Specifically designed and rigorously tested for optimal performance within Allen-Bradley SLC 500 control systems. Rugged Industrial Design: Built to withstand demanding industrial environments, ensuring long-term durability and operational stability. Easy Chassis Installation: Facilitates quick and hassle-free integration into existing SLC 500 chassis, simplifying system setup and maintenance. Technical Specifications Catalog Number: 1746-IB16 Number of Inputs: 16 Input Type: DC Sinking (PNP) Nominal Input Voltage: 24V DC Input Voltage Range: 10-30V DC Backplane Current Draw: 120 mA @ 5V, 0 mA @ 24V Operating Temperature: 0°C to 60°C (32°F to 140°F) Storage Temperature: -40°C to 85°C (-40°F to 185°F) Humidity: 5-95% non-condensing Applications Interfacing with a diverse range of sensors, limit switches, pushbuttons, and other digital input devices within SLC 500 automated systems. General-purpose machine control applications requiring reliable and precise input signal acquisition. Process automation systems where dependable monitoring of 24V DC field devices is crucial for operational integrity. Upgrading or expanding existing SLC 500 installations to accommodate additional input requirements. Manufacturing and assembly lines, ensuring accurate detection of product position, presence, and status. Industrial machinery control and safety systems, providing critical feedback from field instrumentation. Why Choose This Model? Unrivaled Reliability: The Allen-Bradley 1746-IB16 is synonymous with industrial durability, delivering consistently dependable input signals that are vital for accurate process control and system uptime. Seamless SLC 500 Integration: As a native component of the SLC 500 family, this module offers effortless plug-and-play compatibility, simplifying system design, programming, and maintenance. Optimized Performance for 24V DC: Specifically designed for 24V DC sinking inputs, it ensures optimal signal integrity and compatibility with the most common industrial control voltages. Global Industry Standard: Benefit from a widely used and well-supported module within the SLC 500 platform, ensuring readily available documentation, technical support, and spare parts. Maximize Uptime: By providing reliable data from your field devices, the 1746-IB16 helps to prevent errors, reduce troubleshooting time, and significantly enhance overall operational efficiency. Order NowElevate the performance of your industrial automation system with the Allen-Bradley 1746-IB16. Contact Palm Parts Solution today to secure this essential component and optimize your operational efficiency.FAQWhat is the primary function of the Allen-Bradley 1746-IB16?The 1746-IB16 is a 16-point discrete DC input module designed to integrate industrial sensors and switches with Allen-Bradley SLC 500 PLCs.What type of input does the 1746-IB16 support?This module supports 16 sinking (PNP) DC inputs, compatible with 24V DC signals.Can this module be used outside of an SLC 500 system?No, the 1746-IB16 is specifically engineered for seamless integration and optimal performance within Allen-Bradley SLC 500 control systems.What is the operating temperature range for the 1746-IB16?The module operates efficiently within a temperature range of 0°C to 60°C (32°F to 140°F).How does the 1746-IB16 contribute to system reliability?Its robust industrial design and precise signal acquisition capabilities provide consistent and accurate data, which is crucial for preventing errors and maximizing operational uptime.

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PRODUCT DETAILS

Allen-Bradley 1746-IB16

Overview

This is a genuine Allen-Bradley component from the SLC 500 Platform (Legacy) family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem
  • Engineered to integrate inside SLC 500 Platform (Legacy) installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the SLC 500 Platform (Legacy) family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Catalog Number: 1746-IB16
  • Number of Inputs: 16
  • Input Type: DC Sinking (PNP)
  • Nominal Input Voltage: 24V DC
  • Input Voltage Range: 10-30V DC
  • Backplane Current Draw: 120 mA @ 5V, 0 mA @ 24V
  • Operating Temperature: 0°C to 60°C (32°F to 140°F)
  • Storage Temperature: -40°C to 85°C (-40°F to 185°F)
  • Humidity: 5-95% non-condensing

Applications

  • Interfacing with a diverse range of sensors, limit switches, pushbuttons, and other digital input devices within SLC 500 automated systems.
  • General-purpose machine control applications requiring reliable and precise input signal acquisition.
  • Process automation systems where dependable monitoring of 24V DC field devices is crucial for operational integrity.
  • Upgrading or expanding existing SLC 500 installations to accommodate additional input requirements.
  • Manufacturing and assembly lines, ensuring accurate detection of product position, presence, and status.
  • Industrial machinery control and safety systems, providing critical feedback from field instrumentation.

Why Choose the 1746-IB16?

  • Unrivaled Reliability: The Allen-Bradley 1746-IB16 is synonymous with industrial durability, delivering consistently dependable input signals that are vital for accurate process control and system uptime.
  • Seamless SLC 500 Integration: As a native component of the SLC 500 family, this module offers effortless plug-and-play compatibility, simplifying system design, programming, and maintenance.
  • Optimized Performance for 24V DC: Specifically designed for 24V DC sinking inputs, it ensures optimal signal integrity and compatibility with the most common industrial control voltages.
  • Global Industry Standard: Benefit from a widely used and well-supported module within the SLC 500 platform, ensuring readily available documentation, technical support, and spare parts.
  • Maximize Uptime: By providing reliable data from your field devices, the 1746-IB16 helps to prevent errors, reduce troubleshooting time, and significantly enhance overall operational efficiency.

Availability & Shipping

  • In stock: 1746-IB16 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1746-IB16 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1746-IB16 is a 16-point discrete DC input module designed to integrate industrial sensors and switches with Allen-Bradley SLC 500 PLCs.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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