The 6SL3520-1XD00-7AA0 is the I/O Control variant of the 1XD00 D-connector SINAMICS G115D at 0.75 kW — completing the 1XD00-7 communication set alongside AF0 (PROFINET) and AB0 (Standard I/O). It delivers 2.2 A HO (4.4 A LO) in the FSA compact frame (380 × 156 × 129 mm, ~4.7 kg) with natural convection cooling at 380–480 V three-phase. AA0 provides basic digital and analog I/O for start/stop, direction, and speed reference — no fieldbus required. Compatible with IE2/IE3/IE4 motors across 0–550 Hz, IP65 sealed for direct machine mounting.

When should I choose AA0 I/O Control over AF0 PROFINET?

Choose AA0 when the application needs simple hardwired control — start/stop, direction, and analog speed reference from a PLC digital/analog output card or even pushbuttons and a potentiometer. There is no fieldbus configuration, no GSDML file, and no network infrastructure. The trade-off: no remote diagnostics, no PROFIsafe, and no multi-drive coordination over Ethernet. For networked drives with safety integration and remote commissioning, choose the AF0 (PROFINET) variant. For terminal-based control with a different I/O configuration than AA0, choose AB0 (Standard I/O). All three variants share the same 0.75 kW FSA D-connector hardware — the communication interface is the only difference.