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The 1756-PB75 is a standard DC power supply module used in ControlLogix systems manufactured by Allen-Bradley. This module is specifically designed for mounting in 1756 series racks (chassis) to provide the necessary system backplane power for processors, input/output (I/O) modules, and communication modules.
Wide DC Input
High Power Output
Multi-Rail Power Delivery
The Allen-Bradley 1756 ControlLogix controllers provide a robust and scalable control solution for industrial automation systems. Logix programmable automation controllers use a standard control engine with a standard development environment to provide high performance in an easy-to use environment. The system provides discrete drives, motion, process, safety control, communication, and state-of-the-art I/O in a small, cost-effective package. The modular arrangement allows for efficient design, build, and modification. Available with On-Machine models suitable for process, motion, discrete, and high-availability applications.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Allen Bradley 1756-PB75 CONTROLLOGIX POWER SUPPLY Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil & Gas
Used in Emergency Shutdown Systems (ESD) on offshore platforms, typically powered by battery banks.
Water & Wastewater
Controlling remote pumping stations, ensuring communication after power failure via DC batteries.
Pharmaceuticals
Monitoring environmental parameters in cleanrooms to ensure uninterrupted logic control.
Steel & Metallurgy
Controlling continuous casters or rolling lines in high-temperature environments.
Chemical Industry
Managing temperature and pressure interlocking logic for chemical reactors.
Pulp & Paper
Driving Distributed Control System (DCS) nodes for large paper machines.
When using the 1756-PB75, the primary focus should be the Power Budget. Ensure the total current demand of all modules in the chassis across all voltage rails (especially the 5.1V/13A rail) does not exceed the supply's limits. Additionally, ensure the grounding terminal at the bottom is securely connected to suppress EMI and refer to the derating curves based on ambient temperature. Given its significant inrush current (up to 30A-50A), appropriate circuit breakers must be configured upstream, and hot-swapping or wiring while energized is strictly prohibited.
The 1756-PB75 is a standard DC power supply module for the Allen-Bradley ControlLogix system. It converts external DC power into the necessary power for the chassis backplane.
What is the input voltage range for 1756-PB75?
Its nominal input voltage is 24V DC, with an actual operating voltage range typically between 18V and 32V DC.
Does 1756-PB75 support redundancy?
No. The 1756-PB75 is a standard power supply. For redundancy, you should choose the 1756-PB75R model along with a redundancy power phase adapter.
How to use 1756-PB75?
Insert it into the left side of the chassis, connect the 24V DC power lines to the terminals at the bottom, and ensure proper grounding. Once powered on, it automatically supplies power to all modules in the chassis.
What is the power capacity of 1756-PB75?
It has a maximum total output power of 75 Watts, which is what the "75" in the model name represents.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC 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. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company 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.
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