7802e PCI Express RS-422, RS-485 Serial Interface

The Sealevel COMM+8.422.PCIe (Item# 7802e) provides a PCI Express 1.0a compliant interface adapter with eight asynchronous serial ports for industrial automation and control applications. The serial ports are field selectable for RS-422 or RS-485 and support data rates to 921.6 Kbps.

RS-422 mode for is designed for long distance device connections up to 4000ft. where noise immunity and high data integrity are essential. RS-485 mode can capture data from multiple peripherals in an RS485 multi-drop network. Up to 31 unit load RS-485 devices can be connected to each port to automate your data collection. You can even mix the ports in any of the interface combinations to provide maximum flexibility to your application.

In RS-485 mode, the transmitter is automatically enabled in hardware, eliminating the need for application software control. This allows the 7802e to be used with standard serial communications applications and removes the risk of bus contention and data corruption. The Sealevel SeaCOM software driver and utilities make installation and operation easy XP, Vista, Windows 7, and Windows 8 operating systems.

The 7802e ships with a low profile PC bracket for use in systems with a low profile PCI Express slot. If you need a standard size PC bracket, order the 7802eS.