Table of Contents
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1. FUNCTIONS AND CONFIGURATION
1.2 Function list
The following table lists the functions of the MELSERVO-J2-C. For details of the functions, refer to the
reference field.
Positioning by automatic operation
Varied speed operation
Automatic continuous positioning
operation
Manual home position return
Multidrop communication
Absolute position detection system
Slight vibration suppression control
Electronic gear
Real-time auto tuning
Manual gain adjustment
S-pattern acceleration/deceleration time
constant
Analog monitor output
Alarm history
I/O signal selection (Device setting)
Torque limit
Override (speed limit)
Status display
Test operation mode
Limit switch
Software limit
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Function
Select the required ones from among 15 preset point tables
(moving distance, speed, acceleration time constant, deceleration
time constant, auxiliary function) and perform operation in
accordance with the set values.
Use the external input signal or communication function to choose
the point tables.
Servo motor speed can be varied continuously until the preset
moving distance is reached. (Max. set speeds: 15 speeds)
By merely choosing one point table and starting operation,
positioning can be executed continuously in accordance with
several point tables.
Dog type, count type, data setting type, stopper type, home
position ignorance
Up to 32 axes of MR-J2-C are controllable simultaneously by RS-
422 communication.
By merely setting the home position once, home position return
need not be done at each power on.
Vibration of 1 pulse at servo motor stop is suppressed.
The electronic gear is used to make adjustment so that the servo
amplifier setting matches the machine moving distance. Also,
changing the electronic gear value allows the machine to be moved
at any multiplication ratio to the moving distance using the servo
amplifier.
The servo gain is automatically adjusted to the optimum value at
each start/stop.
The gain is manually adjustable if the gain could not be adjusted
to the ideal value by real-time auto tuning.
Acceleration/deceleration can be made smoothly.
The servo status is output in terms of voltage in real time.
By using the Set-up Software, the current alarm and five past
alarm numbers are stored and displayed.
By using the Set-up Software, any devices can be assigned to 9
input, 5 output and 1 I/O pins.
Servo motor-torque is limited.
Parameter
Analog input
The servo motor speed is limited by analog input.
The ratio of override to the set speed can be changed between 0 to
200%.
The servo status is displayed. The servo amplifier display can
show up to 7 types or 15 types when the Set-up Software is used.
Jog operation, positioning operation, motor-less operation, DO
forced output, 1-step feed
The servo motor travel region can be limited using the forward
rotation stroke end (LSP)/reverse rotation stroke end (LSN).
The travel region is limited using parameters in terms of address.
The function similar to that of a limit switch is limited by
software.
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Description
2 limit value
1 limit value
1 - 9
Reference
Section 4.2
Section 4.2.5 (2)
Section 4.2.5 (1)
Section 4.4
Section 4.6.3
Chapter 8
Section 4.5
Section 9.5
Section 5.2.1
Section 9.4
Section 9.2
Section 5.2.3
Section 5.2.4
Section 6.8
Section 6.6
Section 3.2.5
Section 3.2.4
Section 7.2
Section 6.7
Section 5.2.5
Section 5.2.9
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