6SE7021-4EP70-Z Siemens - Motion Control Converter

Siemens 6SE7021-4EP70-Z Motion Control Converter with Resolver

Technical Specifications

• Brand: Siemens (SIMOVERT MASTERDRIVES series).
• Model: 6SE7021-4EP70-Z with resolver option (-Z).
• Power Range: 7.5 kW to 11 kW typical for 400V class.
• Input Voltage: 380V to 480V three-phase AC ±10%.
• Output Current: 16.5 A nominal, 25 A peak.
• Resolver Interface: Integrated transducer for absolute position feedback.
• Frequency Response: Speed control bandwidth up to 200 Hz.
• Position Resolution: 4096 increments per revolution (12-bit).
• Control Modes: Servo control, vector control, and V/f control.
• Temperature Range: 0°C to +40°C operating, -25°C to +70°C storage.
• Environmental Protection: IP20 rating for indoor panel mounting.
• EMC Immunity: Built-in RFI filter meets EN 61800-3 standards.
• Communication: Optional PROFIBUS DP via CBP2 module.

Frequently Asked Questions (FAQ)

• Q: Does the 6SE7021-4EP70-Z support absolute position with resolver?
  A: Yes, the resolver transducer provides absolute rotor position without a battery backup.
• Q: What is the maximum resolver cable length for this drive?
  A: For best performance, keep the resolver cable under 50 meters. Use shielded twisted-pair wiring.
• Q: Can I use this converter without a resolver?
  A: The -Z option includes a resolver interface. You can also use an encoder if you add an optional SM board.
• Q: Is this unit a new original Siemens product?
  A: Yes, we supply only brand new and original Siemens SIMOVERT MASTERDRIVES units.
• Q: What is your return policy for this converter?
  A: We support returns within 30 days from delivery, provided the unit remains unused and in original packaging.
• Q: Do you have stock for the 6SE7021-4EP70-Z?
  A: Yes, we keep this model in stock at our local warehouse.

Contact Information
For inquiries, please reach out:
Email: sales@nex-auto.com
WhatsApp: +86 153 9242 9628

Partner
NexAuto Technology Limited : https://www.nex-auto.com/