Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Optimum power | 1.2 kW |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Rated current | 3.5 A |
| Encoder system | Absolute encoder AM20DQI: 20 bits, resolution 1048576, + 12 bits multiturn, traversing range 4096 revolutions |
| Interface | DRIVE-CLiQ |
| Mounting design | IM B5 (IM V1, IM V3) |
| Electrical connectors | M23; signals and power rotatable |
| Holding brake | without holding brake |
| Degree of protection | IP64 |
| Product lifecycle | Active Product |
Key Features
- Product designation: SIMOTICS S synchronous motor 1FK7-HD with product code 1FK7044-4CF71-1RG0.
- Optimum power and speed: Optimum power: 1.2 kW; optimum speed: 3,000 rpm.
- Encoder system: Absolute encoder AM20DQI: 20 bits with 1048576 resolution and 12 bits multiturn with a traversing range of 4096 revolutions; DRIVE-CLiQ interface.
- Mechanical configuration: IM B5 (IM V1, IM V3) flange, plain shaft with tolerance N, and without holding brake.
- Connections and cooling: M23 electrical connectors for signals and power are rotatable; cooling: Natural cooling.
- Protection and rated data: Degree of protection: IP64; rated torque (100 K): 3.7 Nm; rated current: 3.5 A; rated speed (100 K): 3,000 rpm.
Frequently Asked Questions
Which product identity matches Siemens order number 1FK7044-4CF71-1RG0?
It identifies a SIMOTICS S 1FK7-HD permanent-magnet synchronous motor.
Which encoder and interface identify this exact variant?
It has an absolute encoder AM20DQI with 20 bits, 1048576 resolution, 12 bits multiturn, a traversing range of 4096 revolutions, and a DRIVE-CLiQ interface.
Which mechanical and connection details should be checked against the MLFB?
Check the IM B5 (IM V1, IM V3) flange, plain shaft with tolerance N, M23 rotatable signal and power connectors, and without holding brake.
