National Instruments PCMCIA-485-2

The National Instruments PCMCIA-485/2 is a robust 2-port RS-485 serial interface designed for reliable communication in industrial and laboratory settings. This plug-and-play device simplifies installation and maintenance through automatic configuration, allowing for seamless integration with a variety of systems. Featuring DB-9 male connectors that follow standard pin assignments for RS-485 connections, the PCMCIA-485/2 is compatible with interface cables that can accommodate one, two, or four DB-9 connectors. The interface supports a maximum baud rate of 921.6 kbps and a maximum cable length of 30 meters, ensuring flexibility in connectivity while being compliant with EMC/surge limitations. Designed to operate with multiple Windows operating systems—including Windows NT, Windows XP, Windows Me, Windows 9x, and Windows 2000—the PCMCIA-485/2 utilizes NI-Serial driver software and is compatible with development environments such as LabVIEW, Measurement Studio, and LabWindows/CVI. Although National Instruments has announced the obsolescence of the PCMCIA-485/2, it remains available for purchase and repair through Apex Waves. The interface operates on a power requirement of +5 VDC, drawing 150 mA typically and a maximum of 400 mA. Users can access the user manual and maintenance manual online, and for pricing information, it is recommended to consult a sales representative. The device carries a warranty of 2-3 years.