Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Optimum power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Maximum torque | 13.0 Nm |
| Encoder system | Absolute Encoder AM22DQ, 22 bits + 12 bits multi-turn |
| Encoder interface | DRIVE-CLiQ |
| Mounting design | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Cooling | Natural cooling |
| Holding brake | Permanent-magnet brake, 4.0 Nm holding torque |
| Degree of protection | IP65 |
Key Features
- Motor designation: SIMOTICS S synchronous motor, 1FK7-HD series, with 1.4 kW optimum power.
- Speed and torque: Rated speed: 4,500 rpm (100 K); rated torque: 3.0 Nm (100 K); maximum torque: 13.0 Nm.
- Encoder feedback: Absolute Encoder AM22DQ with 22 bits (resolution 4194304, encoder-internal 2048 S/R) plus 12 bits multi-turn over 4096 revolutions, with DRIVE-CLiQ interface.
- Mechanical configuration: IM B5 (IM V1, IM V3) flange, plain shaft, rotatable M23 connectors, and holding brake.
- Cooling and protection: Natural cooling and IP65 degree of protection.
- Holding brake: Permanent-magnet brake with 4.0 Nm holding torque and DC 24 V ± 10 % power supply voltage.
Frequently Asked Questions
What product does Siemens 1FK7044-4CH71-1FH1 identify?
It identifies a SIMOTICS S permanent-magnet synchronous motor in the 1FK7-HD series.
Which specifications distinguish this exact motor variant?
The distinguishing specifications include 1.4 kW optimum power, 4,500 rpm rated speed, an absolute Encoder AM22DQ with DRIVE-CLiQ interface, an IM B5 (IM V1, IM V3) flange, a plain shaft, a holding brake, and IP65 protection.
What holding-brake details should be checked?
The motor has a permanent-magnet brake with 4.0 Nm holding torque and DC 24 V ± 10 % power supply voltage.
What connection details should be checked?
The motor has M23 electrical connectors for signals and power, and the connectors are rotatable.
