Product Introduction
The Siemens 6SE7021-3TP50-Z SIMOVERT MASTERDRIVES Motion Control Inverter Compact Plus Unit delivers precise control for demanding industrial applications. As a frequency converter in the SIMOVERT MASTERDRIVES range, this unit integrates a measuring transducer for resolver without pulse encoder simulation, a PROFIBUS CBP communications module on Slot A, and a Safe Stop function for preventing unexpected startup. With an IP20 enclosure and a DC input range of 510–650 V DC, it handles 13.2 A nominal current and supports power ratings up to 5.5 kW. The package includes documentation on CD.
Key Technical Specifications
- Input Voltage: 510–650 V DC
- Nominal Current: 13.2 A
- Power Rating: 5.5 kW
- Protection Class: IP20
- Dimensions (W x H x D): 53.0 cm x 38.0 cm x 25.0 cm
- Weight: 14.50 kg
- Integrated Functions: Safe Stop (K80), Resolver interface (C23), PROFIBUS CBP (G11)
Real-World Applications
In conveyor systems, the Siemens 6SE7021-3TP50-Z provides smooth acceleration and deceleration, reducing mechanical stress and extending belt life. For packaging machines, its precise motion control ensures consistent product handling. The Safe Stop function enhances operator safety in automated lines, meeting stringent industrial safety standards. The PROFIBUS interface allows seamless integration into existing automation networks, lowering installation costs.
Installation & Setup Guidance
Mount the Siemens 6SE7021-3TP50-Z in a clean, dry environment with adequate ventilation. Ensure the DC supply matches the 510–650 V DC range. Connect the resolver to Slot C using shielded cables. For PROFIBUS communication, wire the CBP module on Slot A. Verify the Safe Stop wiring for proper emergency-off functionality. Refer to the documentation CD for detailed wiring diagrams and parameter settings.
Maintenance & Reliability
Regularly inspect the Siemens 6SE7021-3TP50-Z for dust accumulation on heat sinks and fans. Check DC bus capacitors every two years; replace if leakage or bulging appears. Monitor internal temperature using the drive‘s diagnostic functions. Proper maintenance extends the unit’s life beyond 10 years, reducing total cost of ownership.
Compatibility & Integration
The Siemens 6SE7021-3TP50-Z communicates via PROFIBUS DP, enabling direct connection to Siemens S7-300/400 controllers and third-party PLCs. The resolver interface accepts standard 2-pole resolver feedback. It integrates with upstream DC supplies rated for 510–650 V DC. Use the included CD software for drive commissioning and parameter backup.
Selection Guide & Purchasing Advice
Before ordering, verify your system‘s DC voltage range and current requirements match the Siemens 6SE7021-3TP50-Z specifications. Confirm the resolver type and the need for PROFIBUS communication. This unit is a genuine spare part for existing SIMOVERT MASTERDRIVES installations. PLC Source PRO (ubest101.myshopify.com) stocks this item and offers fast shipping for industrial automation spares. Contact our team for compatibility questions or bulk pricing.