Technical Specifications

FAQ

1. What type of servo motor is 1FK7083-5AF71-1AG3?
1FK7083-5AF71-1AG3 is a permanent-magnet synchronous servo motor from the SIMOTICS S 1FK7 Compact series. It is designed for industrial motion control applications requiring accurate speed, torque, and position control. The motor provides a rated power of 3.30 kW, rated speed of 3000 rpm, and rated torque of 10.5 Nm. Its compact construction and natural cooling make it suitable for machine tools, automated production equipment, positioning systems, and other servo-driven machinery.

2. What are the rated speed and rated torque of 1FK7083-5AF71-1AG3?
The rated speed is 3000 rpm and the rated torque is 10.5 Nm. The static torque is 16 Nm, while the maximum permissible mechanical speed is 6000 rpm. The maximum torque can reach 50 Nm under the specified operating conditions. When selecting this motor for an application, the continuous load, acceleration and deceleration profile, operating cycle, and peak torque requirements should be evaluated together rather than relying only on the rated power.

3. What encoder is installed on 1FK7083-5AF71-1AG3?
The motor uses an incremental SIN/COS encoder with a 1 Vpp signal and 2048 pulses per revolution. The encoder also provides C and D track signals. This feedback system allows the servo drive to determine motor position and speed and continuously regulate the motor during operation. Correct encoder configuration is important during commissioning. The feedback cable, connector, shielding, and drive parameters should all be checked if the system experiences position errors, unstable speed, or encoder-related alarms.

4. Does 1FK7083-5AF71-1AG3 have a holding brake?
No. The 1FK7083-5AF71-1AG3 configuration is supplied without a holding brake. This means the motor should not be used as the sole mechanical holding device for vertical axes or loads that could move under gravity after power is removed. For lifting equipment, vertical positioning systems, or other applications requiring load retention, an independent mechanical braking solution may be necessary. The brake control sequence should also be coordinated with the servo drive and motion controller.

5. What cooling method does 1FK7083-5AF71-1AG3 use?
The motor uses natural cooling and does not require an external cooling fan for normal operation. During installation, sufficient ventilation and heat dissipation space should be maintained around the motor. Continuous operation under high load, frequent acceleration and deceleration, or operation close to the rated torque can increase motor temperature. The integrated KTY84 temperature sensor in the stator winding can be used by the drive system for temperature monitoring and protection.

6. What applications are suitable for 1FK7083-5AF71-1AG3?
This servo motor is suitable for industrial automation equipment that requires controlled speed, torque, and position. Typical applications include machine-tool axes, automated production machinery, material-handling systems, packaging equipment, positioning mechanisms, and precision motion systems. Before installation, the motor should be matched with the servo drive based on rated current, motor speed, load inertia, continuous torque, peak torque, acceleration requirements, and the required motion profile.

7. What should be checked when commissioning 1FK7083-5AF71-1AG3?
Before commissioning, verify the motor model, mounting configuration, mechanical coupling, power wiring, encoder wiring, and grounding. The servo drive should be configured with the correct motor and encoder data, including rated speed, rated current, rated torque, and encoder type. After completing the wiring, perform an initial low-speed test to verify the rotation direction and feedback signal. If the motor operates correctly, speed and load can then be increased gradually while monitoring current, torque, temperature, and drive status.

8. How can abnormal operation or servo alarms be diagnosed?
When an alarm occurs, first identify the exact alarm code reported by the servo drive rather than changing multiple parameters at the same time. Encoder-related faults should be investigated by checking the feedback cable, connectors, shielding, grounding, and encoder configuration. Overcurrent or overload conditions may require inspection of the mechanical load, acceleration and deceleration settings, and drive current limits. If excessive temperature is detected, check the operating load, duty cycle, cooling conditions, and KTY84 temperature feedback. A systematic inspection of electrical, mechanical, and drive-related factors can help identify the actual cause without introducing additional configuration errors.