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MR-J3-70B MRJ370B MITSUBISHI AC Servo SAFETY AMP 700W 200V
Brand/Manufacturer | MITSUBISHI / JAPAN |
Part Number | MR-J3-70B |
Alternate Part Number | MR-J3-70B |
Description | Servo Driver |
Dimennsions | 6.2cm x 11.2cm x 20.5 cm |
Weight | 1.2kg |
Product Details
The Mitsubishi MELSERVO-J3 series general-purpose AC servo has
further higher performance and higher functions compared to the
current MELSERVO-J2-Super series.The MR-J3-B servo amplifier
connects to servo system controller and others via high speed
synchronous network and operates by directly reading position data.
The rotation speed/direction control of servo motor and the high
accuracy positioning are executed with the data from command
module. SSCNET equipped by theMR-J3-B servo amplifier greatly
improved its communication speed and noise tolerance by adopting
optical communication system compared to the current SSCNET. For
wiring distance, 50m of the maximum distance between electrodes is
also offered.The torque limit with clamping circuit is put on the
servo amplifier in order to protect the power transistor of main
circuit from the over current caused by rapid
acceleration/deceleration or overload. In addition, torque limit
value can be changed to desired value with parameter.
As this new series has the USB communication function, a MR
Configurator-installed personal computer or the like can be used to
perform parameter setting, test operation, status display
monitoring, gain adjustment, etc. With real-time auto tuning, you
can automatically adjust the servo gains according to the machine.
The MELSERVO-J3 series servo motor is equipped with an absolute
position encoder which has the resolution of 262144 pulses/rev to
ensure more accurate control as compared to the MELSERVO-J2-Super
series. Simply adding a battery to the servo amplifier makes up an
absolute position detection system. This makes home position return
unnecessary at power-on or alarm occurrence by setting a home
position once.
Specifications
Voltage/frequency: 3-phase or 1-phase 200 to 230VAC, 50/60Hz
Permissible voltage fluctuation: 3-phase or 1-phase 200 to 230VAC: 170 to 253VAC
Permissible frequency fluctuation: Within 5%
Power supply capacity: Refer to section 10.2
Inrush current: Refer to section 10.5
Control System: Sine-wave PWM control, current control system
Function
Gain search function: Personal computer changes gains automatically and searches for overshoot-free gains in a short time.MR Configurator is necessary for this function.
Slight vibration suppression control: Suppresses vibration of 1 pulse produced at a servo motor stop.
Auto tuning: Automatically adjusts the gain to optimum value if load applied to the servomotor shaft varies. Higher in performance than MR-J2-Super series servo amplifier.
Return converter: Used when the regenerative option cannot provide enough regenerative power.Can be used the 5kW or more servo amplifier.
Regenerative option: Used when the built-in regenerative resistor of the servo amplifier does not have sufficient regenerative capability for the regenerative power generated.
Alarm history clear: Alarm history is cleared.
Output signal (DO)forced output: Output signal can be forced on/off independently of the servo status.Use this function for output signal wiring check, etc.
Test operation mode: JOG operation positioning operation DO forced output.However, MR Configurator is necessary for positioning operation.
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