Siemens SINUMERIK 840D sl, Function Manual

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Detailed description
2.2 Mode groups
Basic logic functions: Mode group, channel, program operation, reset response (K1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
21
Features of JOG in AUTOMATIC
• The +/– keys cause a JOG movement, and the mode group is switched internally to JOG.
(i.e., “Internal JOG”).
• Moving the handwheels causes a JOG movement, and the mode group is switched
internally to JOG, unless DRF is active.
• An ongoing JOG movement is not complete until the end position of the increment has
been reached (if this has been set) or the movement has been aborted with “Delete
distance-to-go”.
In this way an increment can be stopped using Stop and then moved to the end using
Start. The NCK remains in “Internal JOG” during this time. A partial increment is possible,
but it must not be interrupted using Stop. There is a mode in which releasing the travel
key causes interruption within an increment.
•
Without any JOG movement, “JOG in AUTOMATIC” responds in the same way as
“Automatic”. In particular, the Start key starts the selected part program and the
appropriate HMI softkey initiates a block search.
•
If JOG movement is active, the NCK is internally in JOG mode, and, thus, a block search
request is refused and a Start cannot start the part program. Start starts any remaining
increment or has no effect.
•
While a mode group axis is being traversed in JOG mode, the mode group remains
internally in JOG mode.
Remark: This phase can begin with the JOG movement of an axis and end with the end
of the JOG movement of
another axis.
•
Axis replacement is not possible for an axis with active JOG movement. (The axis might
change mode group). The NCK blocks any axis replacement attempt.
•
The PLC user interface indicates "Automatic" mode:
IS DB11, ... DBX6.0=1
IS DB11, ... DBX6.1=0
IS DB11, ... DBX6.2=0
IS DB11, ... DBX7.0=0
IS DB11, ... DBX7.1=0
IS DB11, ... DBX7.2=0
•
In “JOG in AUTOMATIC”, the PLC user interface displays whether the mode group is in
“Mode group RESET”. This enables the NCK to now automatically switch internally to
JOG, if required.
IS DB11, ... DBX6.4
IS DB11, ... DBX26.4; For mode group 2
IS DB11, ... DBX46.4; For mode group 3
•
In “JOG in AUTOMATIC”, the PLC user interface displays whether the NCK has
automatically switched to “Internal JOG”.
IS DB11, ... DBX6.5
IS DB11, ... DBX26.5; For mode group 2
IS DB11, ... DBX46.5; For mode group 3