7EX484.50-1 B & R Automation
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The 7EX484.50-1 controller is manufactured by B & R Automation as part of the System 2003 Controllers series. It provides 8 analog module slots, a 24 VDC input voltage, and supports Powerlink fieldbus communication. The device uses a 100 Base-T Ethernet standard, offers internal 4x hub with four shielded RJ45 ports, and is rated for IP20 protection.
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Product Description:
The 7EX484.50-1 is an automation backplane component produced by B&R Automation within the System 2003 Controllers series. It serves as the core of a remote I/O segment, hosting logical and analog expansion cards while routing deterministic Ethernet traffic between the machine level and higher-tier PLCs. By concentrating power distribution and network connectivity in one housing, the module simplifies cabinet wiring and provides a common platform for real-time motion, process, and safety tasks on the factory floor.
The board provides 16 logical module slots so the CPU can address high-speed digital channels, and a separate bank of 8 analog module slots handles sensors that transmit variable signals. All mounted electronics draw from a regulated 24 VDC feed, eliminating the need for individual supplies on each card. The controller’s uplink uses the 100 Base-T (ANSI/IEEE 802.3) physical layer and communicates on the ETHERNET Powerlink fieldbus at a sustained 100 MBit/s transfer rate so synchronized data cycles remain within microsecond limits. Wiring leaves the unit through an internal four-port hub that exposes four shielded RJ45 jacks, and a 9-pin DSUB socket serves as the I/O bus interface for local service tools. The unit is identified in the network as a controlled node, and the PLC-IF1 path can be isolated because galvanic separation is provided. Module slot 1 is reserved for this device, ensuring deterministic addressing inside the rack.
During operation, the base draws 20.0 W from the cabinet supply, and it can deliver up to 10.4 W of auxiliary power to connected modules through the backplane conductors. The switching supply incorporates a reverse-polarity diode so wiring errors do not damage the electronics. Network copper segments can run to 100 m without repeaters, and the IP20 housing limits ingress to prevent accidental contact with live parts while still allowing convection cooling.
Frequently Asked Questions about 7EX484.50-1:
Q: What input voltage does the 7EX484.50-1 System 2003 Controller require?
A: This controller uses an input voltage of 24 VDC.
Q: Which fieldbus protocol is supported by the 7EX484.50-1 controller?
A: The 7EX484.50-1 supports ETHERNET Powerlink for fieldbus communication.
Q: How many analog module slots are available on the 7EX484.50-1 controller?
A: This model provides eight analog module slots for expansion.
Q: What type of protection does the 7EX484.50-1 System 2003 Controller have?
A: The 7EX484.50-1 offers an IP20 protection rating.
Q: What kind of Ethernet port design does the 7EX484.50-1 controller have?
A: It features an internal 4x hub and four shielded RJ45 ports for Ethernet connections.
