Z2: NC/PLC interface signals
18.3 Manual and Handwheel Travel (H1)
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
881
18.3.6 Signals from axis/spindle (DB31, ...)
Description of signals from axis/spindle
DB31, ...
DBX62.1
Handwheel override active
Edge evaluation: no Signal(s) updated: Cyclic
Signal state 1 or
edge change 0 → 1
The function "Handwheel override in AUTOMATIC mode" is active for the programmed positioning
axis (FDA[AXi]). Handwheel pulses for this axis affect the programmed axis feedrate either as path
definition (FDA=0) or as velocity override (FDA > 0).
The interface signal will also be set if "Handwheel override in automatic mode" is active with a
concurrent positioning axis with FC18 ( for 840D sl).
Signal state 0 or
edge change 1 → 0
The function "Handwheel override in AUTOMATIC mode" is not active for the programmed
positioning axis (or concurrent positioning axis).
An active handwheel override is not active if:
• the positioning axis has reached the target position
• the distance-to-go is deleted by axis-specific interface signal
DB31, ... DBX2.2 (delete distance-to-go).
• a RESET is performed.
DB31, ...
DBB64
Bit 0-2
Handwheel active (1 to 3)
Edge evaluation: no Signal(s) updated: Cyclic
Signal state 1 or
edge change 0 → 1
These PLC interface signals provide feedback whether the machine axis is assigned to handwheel
1, 2, 3 or no handwheel.
Only one handwheel can be assigned to an axis at any one time.
If several interface signals:
DB31, ... DBX4.0 to DBX4.2 (Activate handwheel)
are set, priority "Handwheel 1" before "Handwheel 2" before "Handwheel 3" applies.
If the assignment is active, the machine axis can be traversed with the handwheel in JOG mode or
a DRF offset can be generated in AUTOMATIC or MDA mode.
Signal state 0 or
edge change 1 → 0
Neither handwheel 1, 2 nor 3 is assigned to this geometry axis.
Corresponding to ... DB31, ... DBX4.0 to DBX4.2 (activate handwheel)
DB10 DBB100.6 ff (handwheel selected)
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