Technical Summary
| Product designation | 1FK7044-4CH71-1RH2 |
|---|---|
| Motor type | Permanent-magnet synchronous motor |
| Optimum power | 1.4 kW |
| Rated speed (100 K) | 4,500 rpm |
| Rated torque (100 K) | 3.0 Nm |
| Max. permissible speed (mech.) | 9,000 rpm |
| Maximum torque | 13.0 Nm |
| Rated current | 3.9 A |
| UDC | 600V |
| Encoder system | Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions) |
| Connector size | M23 |
| Cooling | Natural cooling |
Applications
Servo-motor use with SINAMICS S120, with absolute encoder feedback through DRIVE-CLiQ.
Key Features
Permanent-magnet synchronous motor with High Dynamic design.
Optimum power: 1.4 kW.
Encoder AM20DQI: absolute encoder 20 bits + 12 bits multi-turn with DRIVE-CLiQ interface.
Connector size M23 with rotatable connectors for signals and power, and design acc. to Code I IM B5 (IM V1, IM V3).
Degree of protection IP65 and DE flange IP67 with natural cooling.
With holding brake, permanent-magnet brake, DC 24 V ± 10 % supply voltage.
Frequently Asked Questions
What is Siemens 1FK7044-4CH71-1RH2?
It is a SIMOTICS S synchronous motor, 1FK7-HD.
What encoder is used on 1FK7044-4CH71-1RH2?
It uses encoder AM20DQI with an absolute encoder 20 bits and 12 bits multi-turn, with DRIVE-CLiQ interface.
What are the main performance values for this motor?
PN=1.4kW, M0=4.5Nm (100K), and NN=4500rpm.
What connection and protection details are listed for 1FK7044-4CH71-1RH2?
It has connector size M23, rotatable connectors for signals and power, and degree of protection IP65 and DE flange IP67.
