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Allen Bradley ControlLogix 1756-OF8IH

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1756-OF8IH

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The 1756-OF8IH HART Analog Output Module from Allen Bradley is designed for use in ControlLogix systems, featuring eight channels for various applications. This module supports output current ranges of both 0-20 mA and 4-20 mA, achieving a resolution of 15 bits.

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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-OF8IH

ManufacturerAllen Bradley
Product TypeHART Analog Output Module
Product LineControlLogix
Part Number1756-OF8IH
UPC887172321634
Weight1.00 lbs (0.45 kg)
Number of Channels8 Channels
Output Conversion MethodR-Ladder DAC
Isolation Voltage250 V
Output Current Range0-20 mA and 4-20 mA
Load Reactance10 µH maximum
Overvoltage Protection±24V DC
Current Draw at 24 V400 mA
Resolution15 Bit
Relative Humidity5 to 95% (non-condensing)
Operating Temperature Range0 to 60°C
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The Allen Bradley 1756-OF8IH is a HART Analog Output Module designed for ControlLogix applications. With its capability of managing eight individual channels, this module is suitable for a variety of industrial functions requiring analog output. It utilizes the R-Ladder DAC for output conversion, allowing precise control of output signals.

This module offers flexibility in output current, supporting both 0-20 mA and 4-20 mA output ranges. A maximum isolation voltage of 250 V ensures safety and robustness in diverse operating environments. The device's load reactance is limited to 10 µH, further enhancing its performance reliability.

For additional protection, the 1756-OF8IH features overvoltage protection rated at ±24 V DC, safeguarding the outputs from voltage spikes. Current draw for this unit at a supply voltage of 24 V is 400 mA, making it efficient for integration into existing systems.

This module is designed to function effectively within an operating temperature range of 0 to 60°C, accommodating various industrial conditions. Furthermore, it can withstand relative humidity levels between 5 and 95%, non-condensing, ensuring operational integrity in less-than-ideal environments. The high resolution of 15 bits allows for detailed analog output control, making the 1756-OF8IH a reliable choice for demanding applications.

Revision Part #Also known as
1756-OF8IH Ser A1756-OF8IH/A, Series A, Rev A
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