USB-87Pn series is a intelligent I/O expansion unit. It features a USB communication interface, hot swap, and most of all, this I/O unit can expand its functions by putting in any kind of i-87K series (High profile) modules. It used for industrial monitoring and controlling applications. There are more than 30 I/O modules supported with the unit, including analog input/output, digital input/output, and counter/frequency I/O modules.
Interface Type :Full speed with USB 1.1 specifications