Technical Summary
| Product type | SIMOTICS S Synchronous motor |
|---|---|
| Series | 1FK7-HD |
| Optimum power | 1.2 kW |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Maximum torque | 13.0 Nm |
| Degree of protection | IP65 |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Cooling | Natural cooling |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Holding brake | without holding brake |
Key Features
SIMOTICS S synchronous motor
1FK7-HD model with Permanent-magnet synchronous motor design and High Dynamic motor type.
1FK7-HD model with Permanent-magnet synchronous motor design and High Dynamic motor type.
1.2 kW optimum power
Optimum power: 1.2 kW.
Optimum power: 1.2 kW.
3,000 rpm rated speed
Rated speed (100 K): 3,000 rpm.
Rated speed (100 K): 3,000 rpm.
Absolute encoder with DRIVE-CLiQ
Encoder AM20DQI: absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface.
Encoder AM20DQI: absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface.
IP65 protection
Degree of protection: IP65.
Degree of protection: IP65.
Rotatable power and signal connectors
Electrical connectors for signals and power rotatable, with connector size M23.
Electrical connectors for signals and power rotatable, with connector size M23.
Applications
SINAMICS S120 servo axis integration
Motor for use in the SINAMICS S120 product context.
Motor for use in the SINAMICS S120 product context.
Drive-CLiQ encoder feedback connection
Encoder feedback integration via the DRIVE-CLiQ interface.
Encoder feedback integration via the DRIVE-CLiQ interface.
Frequently Asked Questions
What is Siemens 1FK7044-4CF71-1RA1?
It is a SIMOTICS S synchronous motor, 1FK7-HD.
What is the rated speed of 1FK7044-4CF71-1RA1?
Rated speed (100 K): 3,000 rpm.
What encoder does 1FK7044-4CF71-1RA1 use?
Encoder AM20DQI: absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface.
What are the protection and cooling details of 1FK7044-4CF71-1RA1?
Degree of protection: IP65. Cooling: Natural cooling.
What mechanical connection details are listed for 1FK7044-4CF71-1RA1?
Connector size: M23. Electrical connectors for signals and power are rotatable. Shaft end: Feather key. Holding brake: without holding brake.
