Siemens SINUMERIK 840D sl Function Manual page 922

Z2: NC/PLC interface signals
19.3 Manual and Handwheel Travel (H1)
DB31, ...
DBB65
Bit 0-6 Active machine function INC1, ..., continuous
Edge evaluation: no
Signal state 1 or edge The PLC interface receives a signal stating which JOG mode machine function is active for the
change 0 → 1 machine axes.
The reaction to actuation of the traverse key or rotation of the handwheel varies, depending on which
machine function is active.
Signal state 0 or edge The machine function in question is not active.
change 1 → 0
Corresponding to ... DB31, ... DBB5 (machine function INC1, ..., continuous)
DB31, ...
DBX67.0 Invert handwheel direction of rotation active (machine axes)
Edge evaluation: No
Description For a handwheel, which is assigned to a machine axis, this signal indicates whether the direction of
rotation was inverted:
Signal = 1
Signal = 0
Corresponding to ... DB31, ... DBX7.0 (invert handwheel direction of rotation for machine axes)
DB31, ...
DBB75
Bit 0-2 JOG - Approaching fixed point active
Edge evaluation: No
Signal state 1 or edge Message to the PLC that the function "Approaching fixed point in JOG" is effective.
change 0 → 1
The selected machine axis can be traversed to the specified fixed point binary-coded via Bit 0-2 with
the traverse keys or the handwheel.
Signal state 0 or edge "Approaching fixed point in JOG" is not active
change 1 → 0
Corresponding to ... DB31, ... DBX13.0-2 (JOG - Approach fixed point)
DB31, ... DBX75.3-5 (JOG - Approach fixed point)
DB31, ...
DBB75
Bit 3-5 JOG - Approaching fixed point reached
Edge evaluation: No
Signal state 1 or edge Message to PLC that the selected axis has reached the approaching fixed point with "exact stop fine"
change 0 → 1 by virtue of the traversing motion in JOG.
This display signal is also signaled if the axis reaches the fixed point position in the machine coordi‐
nates system via other methods e.g. NC program, FC18 (for 840D sl) or synchronized action on the
setpoint side and comes to a standstill on the actual value side within the "Exact stop fine" tolerance
window (MD36010 $MA_STOP_LIMIT_FINE).
922
Signal(s) updated: Cyclic
Signal(s) updated: Cyclic
The direction of rotation of the handwheel is inverted.
The direction of rotation of the handwheel is not inverted.
Signal(s) updated: Cyclic
Signal(s) updated: Cyclic
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
Extended Functions