Technical Summary
| Product type | SIMOTICS S synchronous motor |
|---|---|
| Series | 1FK7-HI |
| Optimum power | 3.1 kW |
| Rated torque (100 K) | 15.0 Nm |
| Static torque (100 K) | 20.00 Nm |
| Rated speed (100 K) | 2,000 rpm |
| Number of poles | 8 |
| Degree of protection | IP65 |
| Cooling | Natural cooling |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
Key Features
SIMOTICS S synchronous motor
SIMOTICS S synchronous motor 1FK7-HI with High Inertia motor type.
SIMOTICS S synchronous motor 1FK7-HI with High Inertia motor type.
Power and speed data
PN=3.1kW, UDC=600V, M0=20Nm (100K), and NN=2000rpm.
PN=3.1kW, UDC=600V, M0=20Nm (100K), and NN=2000rpm.
Encoder feedback
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 design
Naturally cooled design IMB 5 (IM V1, IM V3) with Flange 1, smooth shaft, tolerance N, and holding brake.
Naturally cooled design IMB 5 (IM V1, IM V3) with Flange 1, smooth shaft, tolerance N, and holding brake.
Protection and connections
Degree of protection IP65 with power connector rotatable and M23 connector size.
Degree of protection IP65 with power connector rotatable and M23 connector size.
Applications
Motion-control drive integration
Used as a servo motor for SINAMICS S120 Combi drive technology integration.
Used as a servo motor for SINAMICS S120 Combi drive technology integration.
Encoder-based position feedback
Provides absolute encoder feedback with DRIVE-CLiQ interface for motion feedback connection.
Provides absolute encoder feedback with DRIVE-CLiQ interface for motion feedback connection.
Holding-brake holding function
Supports holding torque with the integrated holding brake.
Supports holding torque with the integrated holding brake.
Frequently Asked Questions
What is Siemens 1FK7084-3BC71-1RH1?
It is a SIMOTICS S synchronous motor in the 1FK7-HI range.
What are the key power and speed ratings for 1FK7084-3BC71-1RH1?
The motor has PN=3.1kW, M0=20Nm (100K), and NN=2000rpm.
Which encoder is included with 1FK7084-3BC71-1RH1?
It uses an absolute encoder 20-bit + 12-bit multiturn with DRIVE-CLiQ interface, encoder AM20DQI.
What are the protection and cooling details for 1FK7084-3BC71-1RH1?
The motor has IP65 protection and natural cooling.
What mechanical installation data is listed for 1FK7084-3BC71-1RH1?
It is designed as IMB 5 (IM V1, IM V3) with Flange 1, M23 connector size, rotatable power connectors, a smooth shaft, and a holding brake.
