Key Features
- Motor designation: SIMOTICS S synchronous motor 1FK7-CT.
- Performance rating: PN=2.1 kW; NN=2000rpm.
- Torque rating: M0=12Nm (100K).
- Feedback system: Absolute encoder 20-bit +12 bit multi-turn with DRIVE-CLiQ interface (encoder AM20DQI).
- Mechanical and protection data: Naturally cooled design IMB 5 (IM V1, IM V3), smooth shaft, without holding brake, degree of protection IP65.
Technical Summary
| Motor designation | SIMOTICS S synchronous motor 1FK7-CT |
|---|---|
| Optimum power | 2.1 kW |
| Rated speed (100 K) | 2,000 rpm |
| Static torque (100 K) | 12.00 Nm |
| Rated current | 4.4 A |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Electrical connectors | Connectors for signals and power rotatable |
| Connector size | M23 |
| Cooling | Natural cooling |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Degree of protection | IP65 |
| Holding brake | without holding brake |
Applications
- SINAMICS S120 Combi integration: Servomotor for SINAMICS S120 Combi use.
Frequently Asked Questions
What is the exact model of this Siemens motor?
The exact model is 1FK7081-2AC71-1RG1.
What are the rated speed and torque of 1FK7081-2AC71-1RG1?
Rated speed (100 K) is 2,000 rpm and static torque (100 K) is 12.00 Nm.
Which feedback system is used on this SIMOTICS S motor?
It uses encoder AM20DQI: absolute encoder 20 bits +12 bit multi-turn with DRIVE-CLiQ interface.
What mechanical and connection details should be checked before ordering 1FK7081-2AC71-1RG1?
Check the IM B5 (IM V1, IM V3) design, M23 connector size, rotatable signal and power connectors, smooth shaft, without holding brake, and IP65 protection.
