Technical Summary
| Product designation | 1FK7043-4CF21-1RB2 |
|---|---|
| Product family | SIMOTICS S Synchronous motor |
| Motor type | Permanent-magnet synchronous motor |
| Rated power | PN=0.94kW |
| DC link voltage | UDC=300V |
| Rated torque (100 K) | 3.0 Nm |
| Rated speed (100 K) | 3,000 rpm |
| Number of poles | 6 |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Interface | DRIVE-CLiQ |
| Connector size | M23 |
| Degree of protection | IP65 and DE flange IP67 |
| Mounting design | IM B5 (IM V1, IM V3) |
| Holding brake | with holding brake |
Applications
Servomotor for use with SINAMICS S120 drive integration.
Connections for signals and power with rotatable connectors and M23 connector size.
Key Features
SIMOTICS S synchronous motor 1FK7-HD for SINAMICS S120.
Absolute encoder 20 Bit + 12 Bit Multiturn with DRIVE-CLiQ interface, encoder AM20DQI.
Naturally cooled, FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, shaft with fitted key, tolerance N, with holding brake, degree of protection IP65 and DE flange IP67.
Frequently Asked Questions
What is Siemens 1FK7043-4CF21-1RB2?
It is a SIMOTICS S synchronous motor, 1FK7-HD, for SINAMICS S120.
What encoder does 1FK7043-4CF21-1RB2 use?
It uses encoder AM20DQI: absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface.
What are the key ratings for 1FK7043-4CF21-1RB2?
PN=0.94kW, UDC=300V, M0=3.3Nm (100K), and NN=3000rpm.
What mounting and protection details are listed for 1FK7043-4CF21-1RB2?
It has IM B5 (IM V1, IM V3) mounting, IP65 protection, and DE flange IP67.
