Z2: NC/PLC interface signals
18.3 Manual and Handwheel Travel (H1)
Extended Functions
882 Function Manual, 03/2013, 6FC5397-1BP40-3BA1
DB31, ...
DBB64
Bit 5, 4
Plus and minus traversing request
Edge evaluation: no Signal(s) updated: Cyclic
Signal state 1 or
edge change 0 → 1
A traverse movement of the axis is to be executed in one or the other direction. Depending on the
mode selected, the command is triggered in different ways:
• JOG mode:
With the plus or minus traverse key.
• REF mode:
With the traverse key that takes the axis to the reference point.
• AUT/MDA mode:
A program block containing a coordinate value for the axis in question is executed.
Signal state 0 or
edge change 1 → 0
A traversing command in the relevant axis direction has not been given or a traverse movement
has been completed.
• JOG mode:
The traversing command is reset depending on the current setting "jog or continuous mode"
(see interface signal DB31, ... DBX4.7 or DBX4.6).
While traversing with the handwheel.
• REF mode:
When the reference point is reached.
• AUT/MDA mode:
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.
Application
example(s)
To release clamping of axes with clamping (e.g. on a rotary table).
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 Signal(s) updated: Cyclic
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.