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Allen Bradley 1774 PLCs and Modules 1774-CI2

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1774-CI2

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The 1774-CI2 module from Allen Bradley functions as a computer interface module designed to enhance communication capabilities within systems. This device features dual communication ports and operates in RS-232 mode, facilitating reliable connectivity for various applications.

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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 1774-CI2

ManufacturerAllen Bradley
Product TypeComputer Interface Module
Product Line1774 PLCs and Modules
Part Number1774-CI2
Weight2.19 lbs (0.99 kg)
UPC72703097520
Number of Communication Ports2 ports
Mode of OperationRS-232 mode
Number of Pins25 pins
Local Signalling5 LED indicators
Input TypeSingle-ended input
Type of MountingBackplane mount
Communication ProtocolHalf-duplex and full duplex
Baud Rates110, 300, 600, 1,200, 2,400, 4,800, 9,600, and 19.2 kilobits per second
Backplane Power Supply LoadApproximately 1 Ampere
Maximum Cable LengthUp to 7,000 feet
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The Allen Bradley 1774-CI2 provides an effective means of interfacing with computers in automated environments. This computer interface module is specifically tailored for use with the 1774 series of PLCs and modules. It is equipped with two communication ports set to operate in RS-232 mode, allowing for versatile connections within various systems.

With a total of 25 pins, this module supports a single-ended input, enabling clear communication between devices. Feedback is simplified with five local LED indicators, which illuminate to convey the current operational status of the module, enhancing user experience through visual signals.

For mounting, the 1774-CI2 is designed to fit onto a backplane, maintaining structural integrity within the control system. It operates with both half-duplex and full-duplex communication protocols, offering flexibility for signal transmission. Baud rates are adjustable, covering a range from 110 bits per second up to 19.2 kilobits per second, ensuring compatibility with various communication speeds and requirements.

The backplane power supply load is approximately 1 Ampere, which supports its efficient performance in demanding environments. This module's robust design allows for maximum cable lengths of up to 7,000 feet, accommodating extensive installations and settings. The 1774-CI2 provides an essential role in establishing reliable communication links in industrial automation applications.