Technical Summary
| Product type | SIMOTICS S Synchronous motor |
|---|---|
| Series | 1FK7-HD |
| Optimum power | 1.2 kW |
| Rated speed (100 K) | 3,000 rpm |
| Rated torque (100 K) | 3.7 Nm |
| Static torque (100 K) | 4.50 Nm |
| Maximum torque | 13.0 Nm |
| Rated current | 3.5 A |
| 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 |
| Degree of protection | IP64 |
| Cooling | Natural cooling |
| Design acc. to Code I | IM B5 (IM V1, IM V3) |
Key Features
SIMOTICS S synchronous motor
1FK7-HD design with PN=1.2kW, UDC=600V, M0=4.5Nm (100K), and NN=3000rpm.
1FK7-HD design with PN=1.2kW, UDC=600V, M0=4.5Nm (100K), and NN=3000rpm.
Absolute encoder feedback
Encoder AM20DQI with absolute encoder 20 bit + 12 bit multiturn and DRIVE-CLIQ interface.
Encoder AM20DQI with absolute encoder 20 bit + 12 bit multiturn and DRIVE-CLIQ interface.
Connection and mounting details
Naturally cooled, FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, M23 connector size, and rotatable connectors for signals and power.
Naturally cooled, FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, M23 connector size, and rotatable connectors for signals and power.
Holding brake
with holding brake and Holding torque 4.0 Nm.
with holding brake and Holding torque 4.0 Nm.
Protection and shaft detail
Degree of protection IP64, shaft with fitted key, tolerance N.
Degree of protection IP64, shaft with fitted key, tolerance N.
Applications
SINAMICS S120 drive integration
Motor for use in a SINAMICS S120 drive setup.
Motor for use in a SINAMICS S120 drive setup.
Feedback-linked motor control
Motor control using the absolute encoder AM20DQI with DRIVE-CLIQ interface.
Motor control using the absolute encoder AM20DQI with DRIVE-CLIQ interface.
Frequently Asked Questions
What is Siemens 1FK7044-4CF71-1RB0?
It is a SIMOTICS S synchronous motor in the 1FK7 servomotors for SINAMICS S120 category.
What are the main power and speed ratings of 1FK7044-4CF71-1RB0?
Optimum power is 1.2 kW and Rated speed (100 K) is 3,000 rpm.
Which feedback system does 1FK7044-4CF71-1RB0 use?
It uses Encoder AM20DQI with an absolute encoder 20 bits + 12 bits multiturn and DRIVE-CLIQ interface.
What are the mounting and connection details for 1FK7044-4CF71-1RB0?
It has FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, M23 connector size, and rotatable connectors for signals and power.
Does 1FK7044-4CF71-1RB0 include protection and holding brake details?
Yes. It has Degree of protection IP64 and with holding brake.
