Product Overview
Technical Summary
| Product designation | SIMOTICS S synchronous motor 1FK7-HD |
|---|---|
| Rated power | PN=0.94 kW |
| Supply voltage | UDC=300 V |
| Rated speed | 3,000 rpm (100 K) |
| Rated torque | 3.0 Nm (100 K) |
| Encoder | AM20DQI absolute encoder, 20 bits + 12 bits multi-turn |
| Connector size | M23 |
| Mounting design | IM B5 (IM V1, IM V3) |
| Cooling | Natural cooling |
| Degree of protection | IP64 |
| Holding brake | without holding brake |
Key Features
- Motor designation: SIMOTICS S synchronous motor, 1FK7-HD, permanent-magnet synchronous motor, High Dynamic.
- Ratings: PN=0.94 kW, UDC=300 V, rated speed 3,000 rpm (100 K), and rated torque 3.0 Nm (100 K).
- Encoder system: AM20DQI absolute encoder with 20 bits, resolution 1048576, encoder-internal 512 S/R, and 12 bits multi-turn with a traversing range of 4096 revolutions.
- Mechanical configuration: IM B5 (IM V1, IM V3) flange, M23 connector size, plain shaft with tolerance N, and rotatable connectors for signals and power.
- Cooling and protection: Natural cooling and IP64 degree of protection.
- Brake and monitoring: Without holding brake; temperature monitoring uses a Pt1000 temperature sensor.
Frequently Asked Questions
Which specifications distinguish Siemens 1FK7043-4CF21-1RG0?
The supplied variant has PN=0.94 kW, UDC=300 V, rated speed 3,000 rpm (100 K), rated torque 3.0 Nm (100 K), and an AM20DQI absolute encoder.
What encoder and connection details should be checked?
Check the AM20DQI absolute encoder with 20 bits + 12 bits multi-turn, the DRIVE-CLiQ interface, M23 connector size, and rotatable signal and power connectors.
Does this configuration include a holding brake?
It is without holding brake.
What shaft and mounting details identify this variant?
It has a plain shaft with tolerance N and design IM B5 (IM V1, IM V3).
What details are needed for a quotation?
Provide the complete order number 1FK7043-4CF21-1RG0, required quantity, and destination.
