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Allen Bradley Flex I/O 1794 1794-OB16PXT

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1794-OB16PXT

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The 1794-OB16PXT digital output module by Allen Bradley is a Flex I/O 1794 series component. It includes 16 channels capable of sourcing 24V DC. Each channel can manage a minimum current of 1.0 mA, while a maximum of 500 mA is allowed per channel. The module is designed to function effectively within a broad temperature span, from -20 °C to 70 °C.

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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 1794-OB16PXT

ManufacturerAllen Bradley
CategoryPLCs
Product LineFlex I/O 1794
Part Number1794-OB16PXT
UPC612598592623
Weight0.44 lbs (0.20 kg)
Module TypeDigital Output Module
Number of Digital Outputs16
Digital Output Type24V DC Sourcing (NPN) type
Nominal On-State Voltage24 VDC
Operating Temperature, Max.70 °C
Operating Temperature, Min.-20 °C
On-State Current1.0 mA min. per channel, 500 mA max. per channel
Output Current Rating8.0 A (16 outputs at 0.5A)
Flexbus Current60 mA
Power Dissipation, Max.5.0 W at 31.2V DC
Thermal Dissipation, Max.17.0 BTU/hr at 31.2 V DC
Indicators16 yellow status indicators
Enclosure Type RatingNone (open-style)
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The 1794-OB16PXT is a digital output module within the Allen Bradley Flex I/O 1794 series. It is structured to deliver multiple digital output functions through its 16 channels. Each channel is built for 24V DC sourcing and supports a minimum current of 1.0 mA, with a maximum limit established at 500 mA per channel. This facilitates a wide range of control requirements in various applications. This module caps its total output current at 8.0 A when using all channels simultaneously at a 0.5 A output.

Designed for challenging environments, this module's operating temperature range is between -20 °C and 70 °C, ensuring reliability in varying operative conditions. Connecting to the Flexbus, it utilizes 60 mA of current and ensures effective communication within the system.

Regarding energy, the maximum power dissipation is specified at 5.0 W when functioning at 31.2V DC, with thermal dissipation measured at a maximum of 17.0 BTU/hr, which assists in maintaining operational levels within thermal limits. The product has 16 yellow status indicators on the field side, offering precise visual monitoring of channel activities.

The physical dimensions of the 1794-OB16PXT module measure 94 mm in height, 94 mm in width, and 69 mm in depth, making it suitable for various mounting conditions. Notably, this module does not have an enclosure-type rating, reflecting its open-style design, which enhances accessibility and adaptability in installation scenarios.