When the rotary switch is “0”, the 1st axis and is “1”, the 2nd axis. When the rotary switch is “A”, the 11th axis and i

The pulse train form outputted with the controller and the setting of servo amplifier (command pulse input form) may dif

The “current command” is the command value for the current control (torque control) and the “torque” is the feedback val

MR-J4-A receives the motor drive command by general pulse train and MR-J4-B does by the optical communication, SSCNET II

18 bits (262,144 pulses/rev.) The encoder resolution of HG series servo motor in J4 mode is 22 bits (4,194,304 pulses/re

Thickness of coating and length of cable provided

In case that only main circuit power supply is cut off, communication remains. In case that the control circuit power su

When the MR-J4-B is selected on the model selection screen at creating a new project, the multi-axis check box will be e

Yes, it is. For MR-J4-A/MR-J3-A, set by [Pr. PC13]. As the initial value (100.0%), the maximum torque is generated at ±

The module power consumption displays the power consumption of servo motor. Positive value indicates power running and n

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FAQ within [ MELSERVO-J4 ]

11-20 of Total 29

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Relationship between rotary switch and axis number

When the rotary switch is “0”, the 1st axis and is “1”, the 2nd axis. When the rotary switch is “A”, the 11th axis and is “F”, the 16th axis. In combination ... More Details >>
- No：23644
- Release Date：2018/09/14 15:10
Servo motor does not rotate when the command pulse is input.

The pulse train form outputted with the controller and the setting of servo amplifier (command pulse input form) may differ. Check the parameter settings. (M... More Details >>
- No：23631
- Release Date：2018/09/14 15:10
Difference between the current command and torque

The “current command” is the command value for the current control (torque control) and the “torque” is the feedback value controlled by the current control ... More Details >>
- No：23624
- Release Date：2018/09/14 15:10
Differences between type A and type B

MR-J4-A receives the motor drive command by general pulse train and MR-J4-B does by the optical communication, SSCNET III/H of our motion network. For the de... More Details >>
- No：23648
- Release Date：2018/09/14 15:10
Encoder resolution during J3 compatibility mode

18 bits (262,144 pulses/rev.) The encoder resolution of HG series servo motor in J4 mode is 22 bits (4,194,304 pulses/rev). For details of J3 compatibility m... More Details >>
- No：23630
- Release Date：2018/09/14 15:10
SSCNET III cable type

Thickness of coating and length of cable provided More Details >>
- No：23651
- Release Date：2018/09/14 15:10
SSCNET III/H during the power supply shut-off

In case that only main circuit power supply is cut off, communication remains. In case that the control circuit power supply of servo amplifier is cut off, t... More Details >>
- No：23646
- Release Date：2018/09/14 15:10
Specifying the axis in test operation of MR-J4W

When the MR-J4-B is selected on the model selection screen at creating a new project, the multi-axis check box will be enabled. Click the check box and selec... More Details >>
- No：23635
- Release Date：2018/09/14 15:10
Changing multiplication of analog torque command

Yes, it is. For MR-J4-A/MR-J3-A, set by [Pr. PC13]. As the initial value (100.0%), the maximum torque is generated at ±8 V. To generate the maximum torque a... More Details >>
- No：23628
- Release Date：2018/09/14 15:10
Unit power consumption

The module power consumption displays the power consumption of servo motor. Positive value indicates power running and negative value indicates regeneration. More Details >>
- No：23636
- Release Date：2018/09/14 15:10

11-20 of Total 29

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