Speed/torque coupling, master-slave (TE3)
23.12 Examples
Turning, Milling, Nibbling
Function Manual, 11/2012, 6FC5397-1CP10-5BA0
405
6. Torque distribution between the master and slave axes is 50% to 50%
MD37268 MS_TORQUE_WEIGHT_SLAVE[AX2] = 50
7. Parameters of the torque compensatory controller
MD37256 MS_TORQUE_CTRL_P_GAIN[AX2] = 0.5
MD37258 MS_TORQUE_CTRL_I_TIME[AX2] = 5.0
23.12.2 Close coupling via the PLC
This application allows you to close or separate a master-slave coupling between the
machine axes AX1=Master axis and AX2=Slave axis during operation.
Preconditions
● One configured master axis
MD37250 MS_ASSIGN_MASTER_SPEED_CMD ≠ 0
● Activation of a master-slave coupling via
MD37262 MS_COUPLING_ALWAYS_ACTIVE=0
● The coupling is open.
Typical sequence of operations
Action Effect/comment
• Approach coupling position
Each axis moves to the coupling position.
• Close coupling mechanically
Both axes are mechanically coupled to one
another.
• Request to close the coupling
PLC interface signal "Master/slave on"
V380x 5000.7 is set.
• Read back coupling state
When the axis is at a standstill, the coupled slave
axis sets PLC interface signal "Master/slave
active" V390x 5000.7 and clears "Position
controller active" V390x 0001.5.
Wait for checkback signal.
• Move master-slave grouping
The master axis is moved.
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