7EX481.50-1 B & R Automation
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The B & R Automation 7EX481.50-1 controller is part of the System 2003 Controllers series and is designed for use in operating slot 1 with a 24 VDC input voltage. It features 100 Base-T Ethernet type, a shielded RJ45 port, and supports the ETHERNET Powerlink fieldbus with a transfer rate of 100 MBit/s. The unit provides an IP20 protection type, uses a switching power supply with a reverse polarity diode, and has a maximum of 8 analog slots and 16 logical slots.
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Product Description:
The 7EX481.50-1 controller module is produced by B&R Automation as part of the System 2003 Controllers series. It is a rack-mounted CPU and communication head that occupies operating slot 1 and coordinates attached I/O slices as well as remote nodes in industrial automation cells. Installed inside a cabinet, the unit provides deterministic network communication, program execution, and diagnostic reporting for sequence control, motion coordination, and process monitoring. Its role in the control rack is to manage local expansion and exchange data with distributed devices without requiring a separate standalone processor.
B&R equips this module with a wide-range input that accepts 24 VDC, and a switching power supply with a reverse-polarity diode protects the electronics against wiring mistakes. At runtime it draws 20.0 W, while also allocating 13.4 W for the downstream I/O backplane. Network traffic exits through a 100 Base-T interface implemented on a shielded RJ45 port, which helps reduce interference from nearby drives and switching equipment. On this link, the controller sustains a bandwidth of 100 MBit/s, which is suitable for typical industrial control update rates. The integrated ETHERNET Powerlink master manages deterministic fieldbus cycles, and galvanic separation on the PLC-IF1 line helps prevent ground loops between connected sections of the system.
The module supports up to 8 analog module slots and a maximum of 16 logical slots, allowing substantial local signal expansion through the 9-pin DSUB backplane bus. This arrangement supports a mix of local I/O modules while still leaving room for remote devices on the network. Cable runs between this head station and remote Powerlink devices can reach 100 m, which matches common segment lengths used in factory networks. Environmental protection is rated at IP20, so the module is intended for installation inside a closed control cabinet.
Frequently Asked Questions about 7EX481.50-1:
Q: What is the required input voltage for the 7EX481.50-1 controller?
A: The input voltage required for the 7EX481.50-1 is 24 VDC.
Q: How much power does the 7EX481.50-1 consume during use?
A: This model provides a power consumption of 20.0 W during operation.
Q: Which fieldbus protocol is supported by the 7EX481.50-1 controller?
A: The 7EX481.50-1 supports ETHERNET Powerlink as its fieldbus communication standard.
Q: How many analog slots can be installed on the 7EX481.50-1?
A: Up to eight analog slots are available on the 7EX481.50-1 for expansion.
Q: What kind of Ethernet port does the 7EX481.50-1 use for networking?
A: This controller features a shielded RJ45 port for Ethernet connections.
