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Allen Bradley ControlLogix 1756-OB32

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1756-OB32

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The 1756-OB32 is an output module from Allen Bradley's ControlLogix series, designed to manage a total of 32 output channels. It allows for two separate groups of 16 outputs, providing flexibility in control schemes with a voltage range of 12 to 24V DC.

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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 1756-OB32

ManufacturerAllen Bradley
Product TypeOutput Module
Product LineControlLogix
Part Number1756-OB32
UPC662468702997
Weight0.56 lbs (0.26 kg)
Number of Outputs32 Outputs
Number of Groups2 Groups of 16 Outputs
Voltage Category12/24V DC
Operating Voltage10-31.2V DC
Current Draw at 5.1V300 mA
Current Draw at 24V2 mA
Total Backplane Power1.58 Watts
Maximum Power Dissipation4.8 Watts at 60 degrees Celsius
Thermal Dissipation16.37 BTU per Hour
Minimum Load Current3 mA per Point
Slot Width1 Slot
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The 1756-OB32 output module by Allen Bradley is engineered for precise control in industrial automation systems. It features a total of 32 output channels, segmented into two groups of 16 for efficient configuration. This product falls under the 12/24V DC voltage category, operating effectively within a specified range of 10 to 31.2V DC.

Power consumption is minimal, with a current draw of 300 mA at 5.1V and only 2 mA at 24V. For the total backplane power requirements, this module consumes 1.58 Watts. When considering the module's thermal output, it can dissipate a maximum of 4.8 Watts at a surrounding temperature of 60 degrees Celsius. Additionally, the thermal dissipation measured is 16.37 BTU per hour, reflecting the efficiency of the design.

The 1756-OB32 is equipped with a minimum load current requirement of 3 mA per point, ensuring reliable operation across all outputs. It occupies one slot width in a compatible chassis, allowing for straightforward integration within ControlLogix systems. This output module is a practical choice for applications demanding reliable performance and flexibility in output management.

Revision Part #Also known as
1756-OB32 Ser A1756-OB32/A, Series A, Rev A
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