Laguna Tools SmartShop Maker Owner's Manual page 50

Error Code
First Negative software limit
exceed
Following error exceed
Cannot back control mode
when move
50
SmartShop|Maker Owner's Manual
Potential Issue(s)
Stroke movement of machine table
exceeds the setting value
1. Movement mechanism is not
smooth.
2. Contact wire has poor quality.
3. Setting values of acceleration
and deceleration time are too
small.
4. Servo on off Relay is
interfered.
5. Inner loop gain of driver is set
too small.
6. Encoder solution and electric
gear ratio is set wrong.
7. Drive or motor is damaged.
8. Encoder or line between
encoder and controller is
abnormal.
9. On diagnosis screen, number
23 is not equal to 100.
1. Cancel instantly movement of
machine by hand.
2. Drive gain is set poorly.
Therefore, when cancelling
instantly, motor will be
trembled.
Resolution(s)
Remove alarm and let axis
move to positive movement out
of the stroke protective software
1. Add lubricating oil to
machine.
2. Use electric meter to check
whether wire connecting is
correct. When controller
runs dry run mode, open
case to check whether servo
on off of relay pulses
abnormally.
3. Increase acceleration and
deceleration time
(parameter 401).
4. Inner loop gain of driver is
set too small. For Mitsubishi
driver, check Pr37.
5. Contact machinery
manufacturer for help.
1. Avoid man-made
movement.
2. Check the driver's position
loop gain and speed loop
gain setting.