Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor, 1FK7-HD |
|---|---|
| Rated power | PN=1.4 kW |
| DC link voltage | UDC=600 V |
| Torque | M0=4.5 Nm (100K) |
| Speed | NN=4500 rpm |
| Encoder | Absolute encoder, 2048 S/R + 4096 revolutions, multiturn |
| Encoder interface | EnDat interface (encoder AM2048S/R) |
| Mounting | IMB 5 (IM V1, IM V3), flange 1 |
| Shaft | Plain shaft, tolerance N |
| Power connector | Rotatable |
| Protection | IP65 |
Key Features
- Product designation: SIMOTICS S synchronous motor, 1FK7-HD.
- Performance ratings: PN=1.4 kW; UDC=600 V; M0=4.5 Nm (100K); NN=4500 rpm.
- Feedback: Absolute encoder, 2048 S/R + 4096 revolutions, multiturn, with EnDat interface (encoder AM2048S/R).
- Mechanical configuration: Plain shaft with tolerance N; flange 1; mounting IMB 5 (IM V1, IM V3).
- Cooling and connector: Naturally cooled with a rotatable power connector and KTY temperature sensor.
- Brake and protection: Without holding brake; degree of protection IP65.
Frequently Asked Questions
Which specifications identify Siemens 1FK7044-4CH71-1EG1?
The identifying specifications are PN=1.4 kW, UDC=600 V, M0=4.5 Nm (100K), NN=4500 rpm, the absolute multiturn encoder, plain shaft with tolerance N, and IP65 protection.
What encoder and interface does this exact variant have?
It has an absolute multiturn encoder with 2048 S/R + 4096 revolutions and an EnDat interface (encoder AM2048S/R).
Does this configuration include a holding brake?
It is without holding brake.
What mounting and connection details should be checked?
Check mounting IMB 5 (IM V1, IM V3), flange 1, the plain shaft with tolerance N, and the rotatable power connector.
