Detailed Description
2.9 Mode group, channel, program operation, reset response (K1)
NC/PLC Interface Signals (Z1)
2-88 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
DB11, ...
DBX6.1
Active mode MDA
Edge evaluation: Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
MDA mode is active.
Signal state 0 or
edge change
1 → 0
MDA mode is not active.
DB11, ...
DBX6.2
Active JOG mode
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
JOG mode is active.
Signal state 0 or
edge change
1 → 0
JOG mode is not active.
DB11, ...
DBX6.3
Mode group ready
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
This signal is set after power on and all of the voltage have been established. The mode group is
now ready and parts programs can be executed and axes traversed in the individual channels.
Signal state 0 or
edge change
1 → 0
The mode group is not ready. Possible causes for this are:
• A critical axis or spindle alarm is present
• Hardware faults
• The mode group has been incorrectly configured (machine data)
If the mode group ready changes to signal state "0", then:
• The axis and spindle drives are braked down to standstill with the max. braking current.
• The signals from the PLC to the NCK are brought into an inactive state (cleared state).
Special cases,
errors, ......
An alarm that withdraws the interface signal
DB11, ... DBX6.3 (mode group ready)
ensures that all channels of the mode group are no longer in the reset state.
In order to switch to another operating mode, a mode group reset (DB11, ... DBX0.7) must be
made.
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