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Allen Bradley CompactLogix 1769-L23E-QB1B

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1769-L23E-QB1B

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The Allen Bradley 1769-L23E-QB1B serves as a controller in the CompactLogix series, outfitted with capabilities for various communication protocols. It allows for connections via RS-232 and Ethernet, with provisions for a total of 16 inputs and 16 outputs.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1769-L23E-QB1B

ManufacturerAllen Bradley
Product TypeController
Product LineCompactLogix
Part Number1769-L23E-QB1B
UPC612598350766
Weight2.00 lbs (0.91 kg)
Bus Current at 5V DC1 Amp
Compatible Controller Battery1769-BA Battery
Compatible Right End Cap1769-ECR Right End Cap
Compatible Controller Door1769-RDQB Door
RS-232 ConnectionSupported
Ethernet ConnectionSupported
Digital Inputs16 Inputs
Digital Outputs16 Outputs
Status IndicatorsIncluded
Bus Current at 24V DC710 mA
Expansion Module Capacity2 Bulletin 1769 CompactLogix I/O Modules
User Memory512 KB
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The 1769-L23E-QB1B, developed by Allen Bradley, is part of the CompactLogix family of controllers. As a compact unit, it is designed to manage various automation tasks with efficiency. This controller supports both RS-232 and Ethernet communications, enabling straightforward integration into broader systems. The architecture includes 16 digital inputs and 16 digital outputs, allowing for substantial I/O capabilities within applications.

At a bus current of 1 Amp with a 5V DC rating and 710 mA with 24V DC, the 1769-L23E-QB1B functions effectively in different operational environments. Memory storage is substantial; it provides 512 KB of user memory, accommodating the needs of various applications. Expansion options are also quite versatile, as this unit can accept two Bulletin 1769 CompactLogix I/O modules for additional connectivity and control. For convenience, the controller includes status indicators to facilitate monitoring during operation.

Key compatible accessories include the 1769-BA battery for sustained backup, the 1769-ECR right end cap for optimal enclosure, and the 1769-RDQB door for accessible and secure access. This equipment is structured to adapt and enhance automation solutions efficiently.

Revision Part #Also known as
1769-L23E-QB1B Ser A1769-L23E-QB1B/A, Series A, Rev A
1769-L23E-QB1B Ser B1769-L23E-QB1B/B, Series B, Rev B
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