Siemens SINUMERIK 840D sl Function Manual page 921

DB31, ...
DBB64
Bit 5, 4 Plus and minus traversing request
Application exam‐ To release clamping of axes with clamping (e.g. on a rotary table).
ple(s)
Note:
If the clamping is not released until the traversing command is given, these axes cannot be operated
under continuous path control!
Corresponding to ... DB31, ... DBX4.7 and/or DBX4.6 (traversing key plus and traversing key minus)
DB31, ... DBX64.7 and/or DBX64.6 (Traversing command plus and minus)
DB31, ...
DBB64
Bit 7, 6 Plus and minus traversing command
Edge evaluation: no
The signal has the effect as described, if Bit 0 in the machine data:
MD17900 $MN_VDI_FUNCTION_MASK (setting for VDI signals)
is set to 0.
If bit 0 in the MD is set to 1, then the signal changes to 1 only if the axis is actually moving.
The interface signal
DB31, ... DBX64 Bit 5, 4 (traversing request plus/minus)
, which is always output, has the same effect as signal traversing command plus/minus when MD17900 bit 0 = 0.
Signal state 1 or edge A traverse movement of the axis is to be executed in one or the other direction.
change 0 → 1 Depending on the mode selected, the command is triggered in different ways:
● JOG mode:
● REF mode:
● AUT/MDA mode:
Signal state 0 or edge A traversing command in the relevant axis direction has not been given or a traverse movement has
change 1 → 0 been completed.
● JOG mode:
● REF mode:
● AUT/MDA mode:
Application exam‐ To release clamping of axes with clamping (e.g. on a rotary table).
ple(s)
Note:
If the clamping is not released until the traversing command is given, these axes cannot be operated
under continuous path control!
Corresponding to ... DB31, ... DBX4.7 and/or DBX4.6 (traversing key plus and traversing key minus)
DB31, ... DBX64.5 and/or DBX.4 (Traversing request plus and minus)
Extended Functions
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
Signal(s) updated: Cyclic
With the plus or minus traverse key.
With the traverse key that takes the axis to the reference point.
A program block containing a coordinate value for the axis in question is executed.
The traversing command is reset depending on the current setting "jog or continuous mode"
(DB31, ... DBX4.7 and/or DBX4.6).
While traversing with the handwheel.
When the reference point is reached.
The program block has been executed (and the next block does not contain any coordinate values
for the axis in question).
Cancel by "RESET", etc.
DB21, ... DBX25.7 (axes disable) is active.
Z2: NC/PLC interface signals
19.3 Manual and Handwheel Travel (H1)
921