Siemens SINUMERIK 840D sl Function Manual page 608

TE3: Speed/torque coupling, master-slave
16.3 Configuring a coupling
(See Section "Tension torque (Page 611)")
Supplementary conditions
The following supplementary conditions must be observed for the dynamic assignment:
● When the coupling is switched on, a change to the assignment using MASLDEF has no
effect. The change only becomes effective the next time that the coupling is switched off.
● The same master axis is always used for the speed setpoint coupling and torque
equalization control.
● A plausibility check of the assignment is only made when the coupling is switched on.
User-specific standard assignment after reset (only 840D sl)
A user-specific standard assignment, which is always effective after a reset, can be defined
in PROG_EVENT.SPF using the program commands MASLDEF and MASLDEL.
The following machine data should be set in order that PROG_EVENT.SPF is executed for a
reset: MD20108 $MC_PROG_EVENT_MASK.Bit 2 = 1
Example: Dynamic change of the assignment (only 840D sl)
The assignment of slave axis AX3 is changed from master axis AX1 to master AX2. To do this,
the coupling must be temporarily switched off (see Section "Closing/opening a coupling
(Page 615)").
Programming
①
MASLDEF (AX3, AX1)
②
MASLON (AX3)
③
MASLDEL (AX3)
④
MASLDEF (AX3, AX2)
Figure 16-2
608
Description
Assignment of slave axis AX3 to master axis AX1
Switching on the coupling
Switch off the coupling and cancel the assignment between AX3 and AX1
Assignment of slave axis AX3 to master axis AX2
Alternating assignment of the slave axis
Function Manual, 01/2015, 6FC5397-2BP40-5BA2
Special functions