7EX470.50-1 B & R Automation
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The B & R Automation 7EX470.50-1 is part of the System 2003 Controllers series and features two CAN interfaces and up to eight logical module slots. It operates with a nominal supply voltage of 24 VDC and supports a maximum bus distance of 1000 meters. The controller has a maximum baudrate of 500 kBit/s and IP20 protection.
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Product Description:
The 7EX470.50-1 is an expansion controller produced by B&R Automation for the System 2003 Controllers series. Installed in the first rack position, it extends a base CPU with additional fieldbus connectivity and local backplane slots so distributed I/O, drives, and sensors can be coordinated under a single task cycle. By integrating CAN networking directly onto the controller rail, the module streamlines deterministic data exchange in automated manufacturing and packaging cells.
This unit provides 2 galvanically isolated CAN channels, enabling separate motion and diagnostics buses or simple network redundancy. Each channel supports rates up to 500 kBit/s, and the transceiver automatically balances speed and distance to sustain reliable signaling on cable runs that can reach 1000 m. A rotary node-ID and baud selector eliminates the need for software setup, while a front I/O service port uses a female DSUB connector for maintenance access. Peak internal dissipation is 20.0 W, so panel cooling must account for this heat load. The molded housing carries an IP20 rating, indicating finger-safe terminals and suitability for clean, dry control cabinets.
The backplane feed supplies a continuous 14.5 W, leaving margin between normal draw and the worst-case thermal figure. Core electronics operate at a nominal 24 VDC, with tolerance for 18 VDC undervoltage and 30 VDC overvoltage events that can occur during machine braking. Downstream addressing supports up to 8 logical slots, allowing additional System 2003 modules to share power and data over the internal bus. Field wiring is straightforward: the left side carries a 9-pin male DSUB for the incoming CAN segment, and the right side offers a 9-pin female DSUB to continue the network to remote devices while preserving the selected node configuration.
Frequently Asked Questions about 7EX470.50-1:
Q: What is the nominal supply voltage for the 7EX470.50-1 controller?
A: The 7EX470.50-1 controller operates with a nominal supply voltage of 24 VDC.
Q: How many logical module slots can the 7EX470.50-1 accommodate?
A: This unit can support a maximum of 8 logical module slots.
Q: What is the maximum bus distance allowed with the 7EX470.50-1?
A: A maximum bus distance of 1000 meters is supported on this controller.
Q: How many CAN interfaces are available on the 7EX470.50-1 controller?
A: It offers 2 CAN interfaces, facilitating multiple CAN network connections.
Q: What protection type does the 7EX470.50-1 provide?
A: The protection rating for this controller is IP20.
