Siemens SINUMERIK 840D sl Function Manual page 1043

DB21, ...
DBB13, 17, 21 Machine functions for geometry axis (1, 2, 3)
Bit 0-5 INC1, INC10, INC100, INC1000, INC10000, INCvar
Edge evaluation: No
Signal state 1 or This interface signal defines how many increments the geometry axis traverses when the traverse
edge change 0 → 1 key is pressed or the handwheel is turned one detent position. JOG mode must be active for this
(exception: with DRF).
The increment size is assigned to the interface signals as follows:
•
•
As soon as the selected machine function becomes active, this is signaled to the PLC interface:
DB21, ... DBB41 ff (active machine function INC1; ... )
If several machine function signals (INC1, INC... or interface signal "Continuous jogging") are
selected at the interface simultaneously, no machine function is activated by the control.
Signal state 0 or The machine function in question is not selected.
edge change 1 → 0
If an axis is currently traversing an increment, this movement is also aborted if this machine
function is deselected or switched over.
Corresponding to .... DB21, ... DBB41 ff (active machine function INC1,...) for geometry axes
DB21, ... DBX13 ff (machine function continuous) for geometry axes
DB21, ...
DBX13.6, 17.6, 21.6 Machine function continuous for geometry axis (1, 2, 3)
Edge evaluation: No
Signal state 1 or The machine function "Continuous jogging" is selected. The associated geometry axis can be
edge change 0 → 1 traversed with the traverse keys plus and minus in JOG mode.
Signal state 0 or Machine function "Continuous jogging" is not selected.
edge change 1 → 0
Corresponding to .... DB21, ... DBB41 ff (active machine function INC1, ..., continuous)
DB21, ... DBB13 ff (machine function INC1, ..., INC10000)
Extended Functions
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Signal(s) updated: Cyclically
With INC1 to INC10000
With the general machine data:
MD11330 $MN_JOG_INCR_SIZE_TAB (increment size for INC/handwheel)
For INCvar
With the general setting data:
SD41010 $SN_JOG_VAR_INCR_SIZE (size of variable increment in JOG)
Signal(s) updated: Cyclically
Z2: NC/PLC interface signals
19.4 Manual and handwheel travel
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