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Allen Bradley ControlLogix 1756-DHRIOK

Product image is representative; revision or series may vary. Contact us to request a specific version.

1756-DHRIOK

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The 1756-DHRIOK by Allen Bradley is a communication interface that provides crucial connectivity in ControlLogix systems. It supports data highway and remote I/O connections, featuring dual ports for flexibility in network configurations.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
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 1756-DHRIOK

ManufacturerAllen Bradley
Product TypeCommunication Interface
Product LineControlLogix
Part Number1756-DHRIOK
Weight1.00 lbs (0.45 kg)
UPC889508895437
Data HighwaySupported
Remote I/OSupported
Number of Ports2 Ports
Current850 mA
Voltage TypeDC
Voltage Rating24V DC
Conformal CoatingIncluded
ATEX Temp. CodeT4
Enclosure Type RatingOpen-Style (None)
Continuous Isolation Voltage30V
Operating Temperature0 to 60 degrees Celsius
Wire Size20 AWG
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The Allen Bradley 1756-DHRIOK serves as a vital communication interface in the ControlLogix series. This device is designed to facilitate seamless data exchange in complex control systems. Supporting both data highway and remote I/O setups, it is equipped with two ports to ensure efficient connectivity.

This model operates at a voltage of 24V DC, with a current draw of 850 mA. It has a continuous isolation voltage rating of 30V, which adds another layer of safety during operation. The device is also rated for an operating temperature range from 0 to 60 degrees Celsius, making it suitable for a variety of environments.

In addition, the 1756-DHRIOK features a conformal coating that provides protection against moisture and contaminants. It conforms to an ATEX temperature code of T4, ensuring operational safety in potentially hazardous locations. The enclosure type is open-style, which allows for easier installation and maintenance, and it can accommodate wire sizes of 20 AWG. This combination of features makes the 1756-DHRIOK a robust choice for demanding communication applications.