Product Overview
Technical Summary
| Product designation | 1FK7044-4CF71-1FB2 |
|---|---|
| Product family | SIMOTICS S 1FK7-HD |
| Optimum power | 1.2 kW |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Encoder system | Absolute encoder AM22DQ, 22 bits + 12 bits multi-turn |
| Interface | DRIVE-CLiQ |
| Mounting design | IM B5 (IM V1, IM V3) |
| Connector | M23, rotatable signals and power connectors |
| Cooling | Natural cooling |
| Holding brake | Permanent-magnet brake, 4.0 Nm holding torque |
| Protection | IP65 and DE flange IP67 |
Key Features
- Motor designation: SIMOTICS S synchronous motor 1FK7-HD with permanent-magnet synchronous motor and High Dynamic design.
- Performance: Optimum power: 1.2 kW; rated speed (100 K): 3,000 rpm; rated torque (100 K): 3.7 Nm.
- Encoder feedback: Absolute encoder AM22DQ with 22 bits, 4194304 resolution, 2048 S/R encoder-internal, and 12 bits multi-turn over 4096 revolutions; DRIVE-CLiQ interface.
- Mounting and shaft: Design: IM B5 (IM V1, IM V3); flange 1; shaft with fitted Feather key; tolerance N.
- Connections and cooling: M23 electrical connectors for signals and power are rotatable; cooling: Natural cooling.
- Protection and brake: Degree of protection: IP65 and DE flange IP67; holding brake: Permanent-magnet brake with 4.0 Nm holding torque and DC 24 V ± 10 % power supply voltage.
Frequently Asked Questions
Which specifications identify Siemens 1FK7044-4CF71-1FB2?
Check the SIMOTICS S 1FK7-HD designation, 1.2 kW optimum power, 3,000 rpm rated speed (100 K), absolute encoder AM22DQ, holding brake, IM B5 (IM V1, IM V3) design and IP65 with DE flange IP67 protection.
What encoder and interface does this motor have?
It has an absolute encoder AM22DQ with 22 bits and 12 bits multi-turn, plus a DRIVE-CLiQ interface.
What brake and shaft details should be checked?
The motor has a Permanent-magnet brake with 4.0 Nm holding torque and a shaft with fitted Feather key, tolerance N.
What connection and mounting details should be verified?
Verify the M23 rotatable connectors for signals and power and the IM B5 (IM V1, IM V3) design.
