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MITSUBISHI MR-J2-70A Specifications and Installation Guide PDF
Product model: MR-J2-70A
Name: SERVO AMPLIFIER
Brand: MITSUBISHI
Sort: Specifications and Installation Guide
File language: English
Drive: MR-H_ACN series SSC-NET compatible AC servo.
Rated output: 22KW.
The servo controller can easily transfer the operation module and the field bus module through the automation interface,
At the same time using different fieldbus modules to achieve different control modes (RS485, RS232, optical fiber, InterBus, ProfiBus),
And the control mode of general inverter is single MR-J2-70A PDF.
The servo controller is directly connected with a rotary transformer or an encoder, which forms a closed loop of speed and displacement control MR-J2-70A
The general inverter can only form an open loop control system.
Servo controller of the control parameters (such as steady-state accuracy and dynamic performance) is better than the general inverter MR-J2-70A PDF. Drive unit.
MITSUBISHI universal AC servo amplifier MELSERVO-J4 series.
Rated output: 30kw.
Interface: universal type.
Power supply: three phase AC400V.
Special specifications: full closed control 4 wire / support mechanical end encoder ABZ phase input / support positioning mode MR-J2-70A PDF.
Support position control, speed control, torque control.
Position control to follow the position instructions.
When the control is inserted, the position control is performed.
Speed control follows the speed command tto control the speed within a certain range MITSUBISHI Specifications and Installation Guide MR-J2-70A Manual.
Torque control to follow the torque command to control the stable torque.
Function of switching amplitude. The increase in the process of switching and stopping,
And in the operation of the use of the switching signal, switching growth. Drive: MR-H_ACN series built-in positioning function MITSUBISHI Specifications and Installation Guide.
Rated output: 0.6KW.
In servo drive speed closed loop,
Rotor speed measurement accuracy is very important to improve the dynamic and static characteristics of the speed control loop.
In order to seek the balance between measurement precision and system cost, incremental photoelectric encoder is generally used as the speed measuring sensor,
The corresponding method is M/T velocity measurement MITSUBISHI Specifications and Installation Guide.
Although the M/T measurement method has a certain measurement accuracy and a wide range of measurement,
But this method has its inherent defects,
Mainly includes: the measurement period must be detected at least one complete encoder pulsee, limiting the minimum detectable speed MR-J2-70A Specifications and Installation Guide.
2 control system for speed control of the timer switch is difficult to maintain synchronization,
Can not guarantee the accuracy of measurement in the situation where the speed change is largger MR-J2-70A Manual.
Therefore, it is difficult to improve the speed tracking and control performance of servo drive by using the traditional speed loop design method.
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