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 | Encoder IC22DQ: incremental encoder 22 bits, resolution 4194304, encoder-internal 2048 S/R, commutation position 11 bits |
| Interface | DRIVE-CLiQ |
| Holding brake | Permanent-magnet brake; holding torque 4.0 Nm |
| Shaft end | Plain shaft |
| Mounting design | IM B5 (IM V1, IM V3) |
| Degree of protection | IP64 |
Key Features
- Product designation: SIMOTICS S synchronous motor 1FK7-HD with 1.2 kW optimum power.
- Rated performance: Rated speed: 3,000 rpm (100 K); rated torque: 3.7 Nm (100 K); rated current: 3.5 A.
- Encoder and interface: Incremental Encoder IC22DQ, 22 bits, resolution 4194304, with DRIVE-CLiQ interface and commutation position 11 bits.
- Brake and shaft: Permanent-magnet holding brake with 4.0 Nm holding torque; plain shaft.
- Mechanical configuration: Natural cooling; flange IM B5 (IM V1, IM V3); M23 connectors; signals and power connectors rotatable.
- Protection and monitoring: Degree of protection IP64 and Pt1000 temperature sensor.
Frequently Asked Questions
What product does Siemens order number 1FK7044-4CF71-1DH0 identify?
It identifies a SIMOTICS S 1FK7-HD permanent-magnet synchronous motor.
Which Encoder and interface identify this exact variant?
It has an incremental Encoder IC22DQ with 22 bits, resolution 4194304, encoder-internal 2048 S/R, commutation position 11 bits, and a DRIVE-CLiQ interface.
Which brake and shaft configuration should be checked?
The configuration has a permanent-magnet holding brake with 4.0 Nm holding torque and a plain shaft.
Which connection, mounting, cooling, and protection details should be verified?
Verify M23 connectors, rotatable signals and power connectors, natural cooling, flange IM B5 (IM V1, IM V3), and IP64 protection.
