Technical Summary
| Product type | SIMOTICS S Synchronous motor 1FK7-HD |
|---|---|
| Lifecycle | Active Product |
| Rated power | PN=0.94kW |
| DC link voltage | UDC=300V |
| Rated torque (100 K) | 3.0 Nm |
| Rated speed (100 K) | 3,000 rpm |
| Cooling | Natural cooling |
| Mounting design | IM B5 (IM V1, IM V3) |
| Connector size | M23 |
| Electrical connectors | Connectors for signals and power rotatable |
| 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) |
Applications
Integration in a SINAMICS S120 drive system
Feedback connection through the encoder AM20DQI with DRIVE-CLIQ interface
Key Features
Active Product
1FK7 servomotors for SINAMICS S120
Absolute encoder 20 bit + 12 bit multiturn with DRIVE-CLIQ interface (encoder AM20DQI)
Naturally cooled with degree of protection IP65
IM B5 (IM V1, IM V3), plain shaft
without holding brake
Frequently Asked Questions
What is Siemens 1FK7043-4CF21-1RG1?
It is a SIMOTICS S synchronous motor / 1FK7 servomotor with product lifecycle status Active Product.
What are the main rating values for 1FK7043-4CF21-1RG1?
Key values include PN=0.94kW, UDC=300V, M0=3.3Nm (100K), and NN=3000rpm.
Which encoder and interface does 1FK7043-4CF21-1RG1 use?
It uses an absolute encoder AM20DQI with DRIVE-CLIQ interface, specified as 20 bit + 12 bit multiturn.
What installation and protection details are listed for 1FK7043-4CF21-1RG1?
It is specified with natural cooling, IM B5 (IM V1, IM V3), plain shaft, without holding brake, and IP65 protection.
