Product Description:

B&R Automation produces the 7XV124.50-51 output terminal for the 7XV Remote Valve Terminals series. The unit is a decentralized high-side driver block that supplies control power to miniature process valves. By placing digital outputs close to actuators, it shortens cable runs, simplifies troubleshooting, and allows distributed I/O to expand over the X2X network without requiring separate enclosures. This topology improves response time in filling, sorting, and pick-and-place stations where compact valve islands are preferred.

The terminal occupies a footprint of 62 × 70 × 30 mm and weighs 125 g, so it can be mounted directly on moving tooling. The molded housing has an IP67 ingress protection rating, allowing direct exposure to dust and washdown spray. Communication enters through a coded M12 bus connector, and the embedded transceiver operates as an X2X Link Slave connected to a central PLC over a single twisted pair. The block integrates 24 sourcing outputs that use a high-side driver topology. Power for the electronics is supplied through an M8 connector, while process power of up to 8 A can flow through the circular header. Internal power consumption for the X2X interface is limited to 0.75 W. The I/O section uses ground pin 25 as a common return.

Each channel supplies up to 0.1 A and can switch loads at frequencies up to 100 Hz, making the terminal suitable for most pneumatic spool valves and small solenoids. The combined load on the feed lines must remain within 2.4 A; exceeding this limit causes the module to shut down and protect the board traces. The logic electronics consume a maximum of 1.5 W, leaving the remaining power budget available for field devices driven by the high-side MOSFETs. Coil resistance, duty cycle, and group activation patterns must be selected within these continuous electrical limits. These limits also help prevent excessive current demand when several connected valves operate simultaneously.