
Siemens 6SE7031-2HF84-1BG0 Simovert Masterdrive Inverter – Technical Guide
Product Introduction
The Siemens 6SE7031-2HF84-1BG0 belongs to the Simovert Masterdrive family. This inverter converts fixed AC voltage into variable frequency output. Engineers often use this model for speed regulation of three-phase motors. It supports a wide power range. Moreover, this drive includes built-in protection against overcurrent and short circuits. For example, you can apply it in steel mills or water treatment plants. Specifically, the 6SE7031-2HF84-1BG0 works seamlessly with Siemens automation systems.
Core Value
This drive delivers high torque at low speeds. It also reduces energy consumption. Therefore, you lower operational costs. Furthermore, the 6SE7031-2HF84-1BG0 provides stable current control. Consequently, it extends motor lifespan. Many facilities rely on this model for uptime. In addition, its modular design simplifies repairs. You can replace key components without full disassembly. This feature cuts downtime significantly.
Technical Insights
The 6SE7031-2HF84-1BG0 uses IGBT technology. This ensures switching efficiency. Meanwhile, the drive supports fieldbus communication via PROFIBUS. You can integrate it into existing PLC networks. Specifically, the control board accepts analog and digital I/O signals. The unit also includes a built-in braking chopper. Therefore, you achieve rapid deceleration. Note the cooling fan requires periodic inspection. Overheating triggers automatic shutdown. Always follow the original parameter list for startup.
Installation & Maintenance
Firstly, mount the 6SE7031-2HF84-1BG0 vertically. Ensure proper clearance for airflow. Use shielded cables for motor connections. Secondly, verify supply voltage matches the nameplate. Ground the chassis to prevent noise. For maintenance, clean the heatsink every six months. Check all terminals for tightness. Moreover, test the internal DC bus capacitors annually. A failing capacitor causes ripple. Replace only with Siemens-approved parts. Finally, update firmware using the correct software tool.

Buyer’s Guide FAQ
1. What is the exact part number for this drive?
The exact model is Siemens 6SE7031-2HF84-1BG0.
2. Which motors work with the 6SE7031-2HF84-1BG0?
This drive operates standard three-phase induction motors. It supports synchronous motors as well.
3. Can I replace the cooling fan myself?
Yes. Disconnect power first. Then remove the fan cover. Use a compatible 24V DC fan.
4. Does this model support PROFINET?
No. The 6SE7031-2HF84-1BG0 supports PROFIBUS DP only. You need a gateway for PROFINET.
5. How do I reset a fault code?
Press the P key twice. Then navigate to parameter P053. Set it to 0. Confirm with the green button.











