5C5000.21 B & R Automation
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The B & R Automation 5C5000.21 is part of the 5CS Provit Controller System Units series and supports a rated supply voltage from 100 to 240 VAC with a supply tolerance of 85 to 264 VAC. It has a maximum power consumption of 100 W, an input frequency of 50-60 Hz, and features two total slots including one ISA 16-bit slot and one ISA/PCI combo slot. The system uses a ball bearing fan with analog control and a 3-pin DSUB AC supply connector.
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Product Description:
The 5C5000.21 is a controller base unit produced by B & R Automation and assigned to the 5CS Provit Controller System Units series. It provides the physical and electrical foundation for CPU, I/O, and fieldbus cards used to coordinate machine sequences, making it a core component in distributed control architectures for packaging, printing, and assembly lines. This chassis-level product accepts an AC mains source, routes backplane power, and integrates cooling so that expansion cards operate within electrical and thermal limits. Because it serves as the base of the controller assembly, card seating, power distribution, and internal airflow are handled at the chassis level rather than by separate external modules.
Power handling is centered on a rated input of 100-240 VAC, and the permissible supply range extends to 85-264 VAC for operation on weak or fluctuating utility feeds. The unit synchronizes to international grids at 50-60 Hz. Incoming power reaches the board through a 3-pin DSUB connector, and maximum power draw is limited to 100 W. An analog-controlled fan with ball bearings adjusts airflow according to internal temperature, while revision A0 functional grounding channels leakage current to protective earth. One dedicated B & R ISA 16-bit slot and one ISA/PCI combo slot interface with the backplane; PCI transactions travel at 33 MHz, and the peripheral rail supplies 5 V to attached cards. This slot arrangement allows the base unit to support mixed card functions within a compact control platform.
Continuous control is maintained up to 3000 m altitude without derating, permitting installation in elevated facilities. If mains power dips, the integrated bypass sustains the backplane for 20 ms at 80 W load, preventing processor resets during short brownouts. The enclosure provides 2 expansion slots, so the chassis can be populated to its supported limit without exceeding thermal or bus loading. This hold-up behavior helps the control system remain stable during brief disturbances on the incoming supply.
