Detailed Description
2.1 General functionality
Travel to Fixed Stop (F1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-19
Programming FXS in synchronized actions
The function is not available for analog axes (PLC acknowledgment cannot be awaited).
Select FXS[ ]=1:
The following signal interfaces are set:
Message to PLC:
IS "Activate travel to fixed stop" (DB31, ... DBX62.4)
The FXS selection command can only be used in systems with digital drives (VSA, HSA,
HLA).
The following condition must be observed:
MD37060 FIXED_STOP_ACKN_MASK, Bit 0 = 0
Bit 0 = 1 (waiting for PLC acknowledgment) must not be set, otherwise, an interpolator stop
would be required to acknowledge the signal, interrupting the movement.
Deselect FXS[ ]=0:
The following signal interfaces are reset:
Message to PLC:
IS "Activate travel to fixed stop" (DB31, ... DBX62.4)
The machine parameter:
MD37060 FIXED_STOP_ACKN_MASK
must have the value null for signal deselection without motion stop.
Without ramp
The torque limit is changed without taking into account the ramp if:
• FXS is activated with (FXS[]=1), to make sure that the reduction is activated
immediately (especially for synchronized actions).
• The drive needs to be de-energized as quickly as possible in the event of a fault.
Selection of FXS with G64
In the machine parameter:
MD37060 FIXED_STOP_ACKN_MASK
bit 0 must be 0 (do not wait for PLC input signal "travel to fixed stop active"), since the
selection of FXS may not initiate a motion stop.
Modify the torque FXST
The clamping torque can already be modified when approaching the stop.
The torque limit FXST acts in addition to the acceleration limitation with ACC.
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