Machine Compensation Function: Backlash Compensation; Protection Function: Interlock - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function
14.34 PLC Axis Indexing

14.34.2.7 Machine Compensation Function: Backlash Compensation

This function compensates the error (backlash) when the movement direction is reversed.
When the axis movement direction is reversed, the compensation amount set in the parameter "#2011 G0back (G0
backlash)" will be automatically added to the travel amount. The compensation amount will not be added to the machine
coordinates. The actual machine position will be compensated.
When the power is turned ON, the axis will move to the direction set in "#2030 dir (-) (Reference position direction (-))".
Modification of backlash amount is enabled during axis movement.
Backlash compensation does not work on the axis movement in servo OFF state.
Backlash

14.34.2.8 Protection Function: Interlock

This function cancels the axis movement with a signal input and immediately leads the servomotor to deceleration stop.
For feed in the plus direction, turning ON Interlock+ (*IT+) cancels the axis movement and decelerates the motor to stop. For
feed in the minus direction, turning ON Interlock- (*IT-) results the same. The signals are B contact. The axis moves again
when the interlock is turned OFF. The feedrate and acceleration/deceleration time constant follows the setting of the selected
operation parameter group.
[Interlock]
Operation start (ST)
Rotation direction (DIR)
Interlock+ (*IT+)
Interlock- (*IT-)
Axis movement (speed feedback)
835 IB-1501668-B