The PC adapter USB A2 can be operated both on a USB V1.1 port and on a USB V2.0 or USB V3.0 port. It offers users the ability to perform both programming device and PC/OP functions via PROFIBUS and the multi-point interface (MPI). Only one USB A2 PC adapter can be operated per PG/PC/OP.

The USB A2 PC adapter is powered directly via the USB interface of the PC system.

The following software packages support the USB A2 PC adapter:

• STEP 7
• TIA Portal
• NCM PC
• SIMATIC PDM
• Drive ES

Diagnostics

Three LEDs are available for diagnosing the USB A2 PC adapter. These LEDs allow quick detection of various operating states and signal states.