Technical Summary
| Product type | SIMOTICS S Synchronous motor |
|---|---|
| Model | 1FK7044-4CF71-1DH1 |
| Optimum power | 1.2 kW |
| Rated speed (100 K) | 3,000 rpm |
| Static torque (100 K) | 4.50 Nm |
| Rated current | 3.5 A |
| Voltage level | UDC=600V |
| Encoder system | Encoder IC22DQ: incremental encoder 22 bits (resolution 4194304, encoder-internal 2048 S/R) + commutation position 11 bits |
| Cooling | Natural cooling |
| Degree of protection | IP65 |
| Holding brake | with holding brake |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
Key Features
SIMOTICS S synchronous motor
1FK7-HD synchronous motor for motion control use.
1FK7-HD synchronous motor for motion control use.
Output and speed
PN=1.2kW; NN=3000rpm.
PN=1.2kW; NN=3000rpm.
Drive and feedback interface
Incremental encoder 22 bit with DRIVE-CLiQ interface (ENCODER IC22DQ).
Incremental encoder 22 bit with DRIVE-CLiQ interface (ENCODER IC22DQ).
Mechanical configuration
Plain shaft, tolerance N; with holding brake.
Plain shaft, tolerance N; with holding brake.
Protection and cooling
Naturally cooled and degree of protection IP65.
Naturally cooled and degree of protection IP65.
Mounting and connection details
FRAME SIZE IMB 5 (IM V1, IM V3) with power connector rotatable.
FRAME SIZE IMB 5 (IM V1, IM V3) with power connector rotatable.
Applications
SINAMICS S120 integration
Motor use in SINAMICS S120 drive systems.
Motor use in SINAMICS S120 drive systems.
Motion control drive axis
Rotary motion output for motion control applications.
Rotary motion output for motion control applications.
Frequently Asked Questions
What is the exact Siemens model number of this SIMOTICS S motor?
1FK7044-4CF71-1DH1.
What is the rated speed of this motor?
3,000 rpm.
What encoder does this motor use?
Encoder IC22DQ: incremental encoder 22 bits (resolution 4194304, encoder-internal 2048 S/R) + commutation position 11 bits.
What are the cooling and protection details for this variant?
Natural cooling and degree of protection IP65.
