Technical Summary
| Product type | SIMOTICS S synchronous motor |
|---|---|
| PN | 2.7kW |
| UDC | 600V |
| M0 | 12Nm (100K) |
| NN | 3000rpm |
| Cooling | naturally cooled design |
| Mounting arrangement | IMB 5 (IM V1, IM V3) |
| Power connector | rotatable |
| Encoder | Absolute encoder 20-bit + 12-bit multiturn |
| Encoder interface | DRIVE-CLiQ |
| Shaft and brake | Smooth shaft, tolerance N with holding brake |
| Degree of protection | IP65 |
Key Features
SIMOTICS S synchronous motor
SIMOTICS S synchronous motor 1FK7-HI for the 1FK7 servomotor range.
SIMOTICS S synchronous motor 1FK7-HI for the 1FK7 servomotor range.
Rated output and torque
PN=2.7kW; M0=12Nm (100K).
PN=2.7kW; M0=12Nm (100K).
Electrical and speed data
UDC=600V; NN=3000rpm.
UDC=600V; NN=3000rpm.
Cooling design
Naturally cooled design.
Naturally cooled design.
Feedback and interface
Absolute encoder 20-bit + 12-bit multiturn with DRIVE-CLiQ interface (encoder AM20DQI).
Absolute encoder 20-bit + 12-bit multiturn with DRIVE-CLiQ interface (encoder AM20DQI).
Mechanical and protection details
Smooth shaft, tolerance N with holding brake, degree of protection IP65.
Smooth shaft, tolerance N with holding brake, degree of protection IP65.
Applications
SINAMICS S120 Combi drive integration
Serves as a 1FK7 servomotor for a SINAMICS S120 Combi setup.
Serves as a 1FK7 servomotor for a SINAMICS S120 Combi setup.
Frequently Asked Questions
What is Siemens 1FK7081-3BF71-1RH1?
It is a SIMOTICS S synchronous motor.
What are the main electrical ratings of 1FK7081-3BF71-1RH1?
PN=2.7kW, UDC=600V, M0=12Nm (100K), and NN=3000rpm.
Which encoder and interface does 1FK7081-3BF71-1RH1 use?
It uses an absolute encoder 20-bit + 12-bit multiturn with DRIVE-CLiQ interface (encoder AM20DQI).
What mechanical and protection details are listed for 1FK7081-3BF71-1RH1?
It has a naturally cooled design, IMB 5 (IM V1, IM V3), a rotatable power connector, a smooth shaft with tolerance N, a holding brake, and IP65 protection.
