The Siemens 6SL3520-1XC01-5AF0 is the PROFINET/EtherNet/IP communication variant in the 1XC connector system of the SINAMICS G115D wall-mounted distributed drive family — a newly discovered G115D code system. Rated at 1.5 kW in the compact FSA frame (380 × 156 × 129 mm) with 4.1 A rated output (High Overload), 380–480 V 3-phase supply, C-type connector, and integrated PROFIsafe SIL 2 safety, it is the first confirmed 1XC product. The 1XC code system combines the C-connector with the "1X" catalog prefix — parallel to 0XC (C-connector, "0X" prefix) in the same way that 1XB parallels 0XB (both B-connector, different prefix).

What is the 1XC code system?

1XC is the C-connector with the "1X" prefix — the 12th G115D code system. It parallels 0XC (C-connector, "0X" prefix) just as 1XB parallels 0XB (both B-connector), and 1XA parallels 0XH (same hardware platform, different catalog series). Electrically and mechanically, the 1XC01-5AF0 is identical to the 0XC01-5AF0 — same 4.1 A rated, same FSA frame, same C-connector, same PROFINET stack with PROFIsafe. The "1" vs "0" prefix is commercial catalog organization. For a C-connector facility, 0XC and 1XC drives are fully interchangeable — same cable sets, same electrical interfaces.

What motor types are supported?

The drive supports IE3 asynchronous motors, IE4 synchronous reluctance motors, and SIMOGEAR geared motor combinations up to 1.5 kW. Control modes: V/f (0–550 Hz), V/f with FCC, sensorless vector control (0–240 Hz). Integrated 180 V DC brake control. 2-port PROFINET switch with daisy-chain support. FSA frame: natural convection cooling, IP66 / UL Type 4X.

Frequently Asked Questions

How does 1XC differ from 0XC?

Both use the C-connector. The difference is the catalog prefix: 1XC uses "1X" (parallel to 1XA, 1XB), 0XC uses "0X" (parallel to 0XH, 0XD). Electrically and mechanically identical at the same power and comm variant. Functionally interchangeable on the same conveyor line with the same C-connector cable sets. Choose whichever is available through your procurement channel.

Is an external braking resistor required?

The integrated 180 V DC brake chopper is sufficient for most 1.5 kW conveyor applications. An external braking resistor (minimum 200 Ω for FSA) is only needed for decline sections or high-inertia loads with frequent stops.