Connect to a PROFIBUS network in moments with this PCI board serial card from Siemens. It gives you additional serial ports to link your computer to devices like modems and printers. Thanks to an RS485 connection port and a 9-pin sub-D socket, you can efficiently transmit data over long distances. 80 possible connections for open communication mean there's no need for complex wiring. A wide ambient temperature range between +5°C and +60°C means this unit can handle demanding conditions. You'll find this product used in industrial automation systems to connect machines, sensors and controllers.

• Port diagnostics for easy troubleshooting
• Compact dimensions of 21.6 (W) x 126.3 (H) x 180.5mm (D) for small setups
• LED indicators provide at-a-glance status monitoring
• Event and filter mechanism to minimise the load on the host CPU
• Four plug-in cards per PC station for system-design flexibility

It has a supply voltage of 12V DC, so it's compatible with commonly used devices.

Weighing in at just 102g, this card puts minimal strain on your system.