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Allen Bradley ControlLogix 1756-OF8K

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1756-OF8K

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The 1756-OF8K from Allen Bradley is an analog output module designed for use in ControlLogix systems. It offers eight output channels with a voltage range spanning from -10 V to +10 V and current options of 0 to 20 mA or 4 to 20 mA.

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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-OF8K

ManufacturerAllen Bradley
Product TypeAnalog Output Module
Product LineControlLogix
Part Number1756-OF8K
UPC887172383755
Weight1.00 lbs (0.45 kg)
Number of Outputs8 channels
Output Voltage RangeBetween -10 V to +10 V
Output Current Range0 to 20 mA or 4 to 20 mA
Resolution15 bits
Voltage Resolution320 µV per bit across 10.4 V
Current Resolution650 nA per bit across 21 mA
Settling Time2 ms
Drive Capability to Voltage> 2000 Ω
Drive Capability to Current0 to 750 Ω
Power Consumption5.8 W
Power Dissipation3.15 W to 5.8 W
Isolation Voltage250 V
Maximum Installation Altitude2000 meters above sea level
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The 1756-OF8K is an advanced analog output module by Allen Bradley, suitable for seamless integration into ControlLogix applications. Comprising eight output channels, it manages voltage within a range from -10 V to +10 V. Users can also select between current outputs of 0 to 20 mA or 4 to 20 mA, making it versatile for diverse control scenarios.

This module boasts a resolution capability of 15 bits, allowing for precise control of output signals. The voltage and current resolutions are 320 µV per bit across a 10.4 V range and 650 nA per bit across 21 mA, respectively. A settling time of just 2 milliseconds ensures rapid response, making the 1756-OF8K effective for dynamic applications.

With a power consumption rate of 5.8 watts, the module manages 3.15 to 5.8 watts of power dissipation. It maintains a 250 V isolation voltage, which contributes to its operational safety. The module demonstrates exceptional drive capabilities, supporting over 2000 Ω for voltage and a range of 0 to 750 Ω for current outputs.

Designed for operation at altitudes up to 2000 meters above sea level, it is suitable for a variety of environments. The combination of these features makes the Allen Bradley 1756-OF8K a reliable choice for numerous industrial analog control needs.

Revision Part #Also known as
1756-OF8K Ser A1756-OF8K/A, Series A, Rev A
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