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Allen Bradley ControlLogix 1756-OB16E

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1756-OB16E

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The 1756-OB16E from Allen Bradley is a DC output module designed for the ControlLogix series. This module incorporates 16 electronically fused outputs organized into two groups, each consisting of 8 outputs, facilitating effective management of power across various automation tasks.

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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-OB16E

ManufacturerAllen Bradley
Product TypeDC Output Module
Product LineControlLogix
Part Number1756-OB16E
GTIN10612598180810
Weight0.56 lbs (0.26 kg)
UPC612598180813
Number of Outputs16 Electronically Fused Outputs
Number of Output Groups2 Groups of 8 Outputs
Voltage Category12/24 Volts DC (Source)
Operating Voltage10 to 31.2 Volts DC
Max. Output Delay Time1 ms (off to on and on to off)
Current Draw at 5.1V250 mA
Current Draw at 24V2 mA
Total Backplane Power1.32 Watts
Max. Power Dissipation4.1 Watts at 60 degrees Celsius
Max. Current per Point1 Amp at 60 degrees Celsius
Max. Current per Module8 Amps at 60 degrees Celsius
Slot Width1 Slot
EnclosureNo Enclosure (Open-Style)

The 1756-OB16E is an advanced DC output module in the ControlLogix series by Allen Bradley. This module is adept at handling a total of 16 outputs, fully electronically fused and allocated across two separate groups of eight outputs each. Supporting a voltage category of 12 and 24 Volts DC, it functions reliably within an operating voltage range from 10 to 31.2 Volts DC.

One of the key specifications of the 1756-OB16E is the minimal output delay time, rated at just 1 millisecond, ensuring quick transitions from off to on and vice versa. Current specifications show a draw of 250 mA at 5.1 volts and only 2 mA at 24 volts. The module is designed to manage a maximum total backplane power of 1.32 watts.

Temperature considerations are essential for performance, as the 1756-OB16E allows for a maximum current of 1 Amp per point at 60 degrees Celsius, while the entire module can handle a total of 8 Amps under the same temperature conditions. This module is rated for a maximum power dissipation of 4.1 Watts at 60 degrees Celsius, highlighting its capability to perform amidst higher thermal loads.

The physical design of the 1756-OB16E is refined for direct integration into control systems. It occupies one slot within the cabinet and operates without a dedicated enclosure, marking it as an open-style device suitable for specific installation scenarios.

Revision Part #Also known as
1756-OB16E Ser A1756-OB16E/A, Series A, Rev A
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