Z2: NC/PLC interface signals
18.3 Manual and Handwheel Travel (H1)
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
867
18.3.3 Signals from channel (DB21, ...)
Description of signals from channel to PLC
DB21, ...
DBX24.3
DRF selected
Edge evaluation: No Signal(s) updated: Cyclically
Signal state 1 The DRF function is active.
Signal state 0 The DRF function is not active.
Signal irrelevant for
...
JOG mode
Corresponding to ... DB21, ... DBX0.3 (activate DRF)
DB21, ...
DBX33.3
Handwheel override active
Edge evaluation: No Signal(s) updated: Cyclically
Signal state 1 The function "Handwheel override in Automatic mode" is active for the programmed path axes. The
handwheel pulses of the 1st geometry axis function as a velocity override on the programmed path
feedrate.
In the following cases, the override is inactive:
• The path axes have reached the programmed target position
• The distance-to-go has been deleted: DB21, ... DBX6.2 == 1 (delete distance-to-go)
• RESET was initiated
Signal state 0 The "Handwheel override in Automatic mode" function is not active.
DB21, ...
DBX37.0-2
Contour handwheel active
Edge evaluation: No Signal(s) updated: Cyclically
Feedback signal indicating which handwheel is active for the "Contour handwheel/path input using
handwheel".
The interface can be interpreted either bit or binary-coded. The specification is performed via:
MD11324 $MN_HANDWH_VDI_REPRESENTATION
Bit-coded: Maximum of three handwheels
Note
At any one time, the axis can only be assigned to one handwheel. If several interface signals are
set simultaneously, then the following priority applies: "Handwheel 1" before "handwheel 2" before
"handwheel 3"
Number of the assigned handwheel Bit 2 Bit 1 Bit 0
1 0 0 1
2 0 1 0
Signal state 1
3 1 0 0
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