5P91400309.006-03 B & R Automation
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The B & R Automation 5P91400309.006-03 is part of the 5PC Industrial Automation Units series and comes equipped with a lithium ion battery and one Cfast slot. It features five USB ports, two Ethernet ports supporting speeds up to 1000 Mbit/s, and one Displayport port. The unit measures 270 mm in height, 91 mm in width, and 254.75 mm in depth, with an IP20 protection rating and operates at a nominal voltage of 24 VDC.
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Product Description:
The 5P91400309.006-03 is an industrial PC-based automation unit built by B&R Automation and assigned to the 5PC Industrial Automation Units series. Within a machine or production cell, it acts as the central computing element, executing motion, logic, and communication tasks that would otherwise require separate controllers. By consolidating these functions into a single compact platform, the unit streamlines cabinet layouts and supports networked operation in modern factories. This arrangement lets one platform coordinate axis control, process sequencing, and plant communication without relying on several standalone modules.
A nominal supply of 24 VDC ±25% feeds the internal converters, so the unit can share a low-voltage bus with other control hardware. During startup, the supply must tolerate an inrush of 60 A (<300 µs), which is a brief current spike caused by input capacitors. Once running, demand settles at 5.5 A, which helps with supply sizing and branch protection selection. The electronics are enclosed to IP20, so the unit is intended for installation inside a control cabinet. Network communication is handled by a controller that autonegotiates 10/100/1000 Mbit/s, allowing the CPU to exchange real-time data with drives, I/O modules, and higher-level systems. A lithium-ion battery maintains the real-time clock when main power is off, which helps preserve timekeeping during power loss.
External peripherals connect through 5 USB ports, and solid-state storage is attached through 1 CFast slot. Network cabling connects through 2 Ethernet ports, while a single DisplayPort interface supports a local display and Com1 communicates with legacy devices at 115 kbit/s. This mix of interfaces supports local visualization, removable storage, and direct network links to surrounding automation hardware. System integrity during brownouts is supported by a 10 ms power-failure buffer that holds processor state until the battery takes over. The housing measures 91 mm wide, 254.75 mm deep, and 270 mm high, allowing the unit to mount beside standard DIN-rail components without obstructing airflow.
Frequently Asked Questions about 5P91400309.006-03:
Q: What is the nominal voltage required for the 5P91400309.006-03 industrial automation unit?
A: This unit operates on a nominal voltage of 24 VDC with a tolerance of ±25%.
Q: What is the maximum nominal current for the 5P91400309.006-03 unit?
A: The 5P91400309.006-03 can deliver a maximum nominal current of 5.5 A.
Q: How many Ethernet ports does the 5P91400309.006-03 have and what speeds are supported?
A: This model is equipped with two Ethernet ports supporting speeds of 10, 100, and 1000 Mbit/s.
Q: How many CFast slots are available on the 5P91400309.006-03?
A: The unit includes one CFast slot for storage expansion.
Q: What is the duration of the power failure buffer on the 5P91400309.006-03?
A: The power failure buffer for this model is 10 ms, providing short-term protection during power interruptions.
