Mitsubishi Electric MELSEC FX Series - DC Servo System; General Purpose Inverter and General Purpose Motor

The Basics of Positioning Control Actuators for positioning
1 - 4
MITSUBISHI ELECTRIC
1.2.5 DC servo system
Features and Drawbacks
● Positioning precision is accurate.
● Maintenance is required for motor brushes.
● It is not suitable for rotation at high speed.
1.2.6 General purpose inverter and general purpose motor
Features and Drawbacks
● Multi-speed positioning is available using a high-speed counter.
● High precision positioning is not available.
● Large torque is not available at start.
(Specialized inverter is required)
Fig. 1-5: Schematic drawing
DC servo system
120050da.eps
Fig. 1-6: Schematic drawing
General purpose inverter and
general purpose motor
120060da.eps
DC servomotor
DC servo amplifier
Lifter
Motor with brake
General-purpose
inverter