The Increase In The Servo Motor Speed Is Insufficient Or Excessive - Mitsubishi Electric Melservo-J5 MR-J5 Series User Manual

Possible cause
15.
RES (Reset) is switched on.
16.
The setting of the control mode is incorrect.
17.
In the position control mode, the command
pulse is not inputted.
18.
In the position control mode, wiring of the
command pulse train signal is incorrect.
19.
In the position control mode, the setting of the
command pulse input form is incorrect.
20.
In the speed control mode or the positioning
mode, both ST1 (Forward rotation start) and
ST2 (Reverse rotation start) are turned on, or
both are turned off.
21.
In the torque control mode, both of RS1
(Forward rotation selection) and RS2 (Reverse
rotation selection) are turned on, or both are
turned off.
22.
An insufficient value was selected in the speed
control mode and the torque control mode.
23.
An analog signal is inputted incorrectly.
24.
When using the absolute position detection
system, the ABS transfer mode is selected.
25.
Power is not supplied to OPC (Open collector -
Sync interface power supply input).
26.
Quick Stop is activated.
27.
Halt is activated.
28.
An error is occurring on the servo system
controller side.
29.
The parameter setting is incorrect on the servo
system controller side.
30.
The position command is inputted incorrectly.
31.
The axis is disabled.

The increase in the servo motor speed is insufficient or excessive

• The increase in the servo motor speed is insufficient or excessive.
Possible cause
1.
The setting of the speed command, speed
limit, or electronic gear is incorrect.
2.
The connection of the servo motor is incorrect.
3.
The voltage of the main circuit power supply
has dropped.
4.
For a servo motor with an electromagnetic
brake, the brake has not been released.
1 SERVO AMPLIFIER TROUBLESHOOTING
102
1.4 Trouble which does not trigger an alarm/warning
Check/action method
Switch off RES.
Check the setting of [Pr. PA01.0 Control mode selection].
Check if the pulse train is outputted from the controller.
Review the wiring. When the signal is used in open-collector type, input 24 V
DC to OPC.
Check that the pulse train form, which is outputted by the controller, is the
same with the setting of [Pr. PA13.0 Command input pulse line - Form
selection].
Switch on either one of ST1 or ST2.
Switch on either one of RS1 or RS2.
Review the setting of the internal speed and the selections of SP1 (Speed
selection 1), SP2 (Speed selection 2), and SP3 (Speed selection 3).
Check the values of the analog speed command and the analog torque
command on the status display or on MR Configurator2. Input the analog
signal correctly.
Turn off ABSM.
Connect between DICOM and OPC of the CN3 connector of the servo
amplifier.
Cancel Quick Stop.
Cancel Halt.
Remove the error of the servo system controller.
Review the parameter setting on the servo system controller side.
Review the setting of the servo system controller or the servo program.
Check if the disabling control axis switch is turned on.
Check/action method
Review the settings of the speed command, speed limit, and electronic gear.
Check the U/V/W wiring.
Refer to "Connection example of power supply circuit" in the following manual.
MR-J5 User's Manual (Hardware)
Increase the voltage of the main circuit power supply.
Turn on the electromagnetic brake power.
Model
[A]
[G]
[WG]
[WG]
Model
[A]
[G]
[WG]