Detailed Description
2.14 Reference point approach (R1)
NC/PLC Interface Signals (Z1)
2-116 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
DB21, ...
DBX33.0
Referencing active
Edge evaluation: yes Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
The channel-specific referencing was started using the interface signal:
DB21, ... DBX1.0 (activate referencing)
and the successful start was acknowledged using the interface signal:
DB21, ... DBX33.0 (referencing active).
Channel-specific referencing is operational.
Signal state 0 or
edge change
1 → 0
• Channel-specific referencing has been completed
• Axis-specific referencing running
• No referencing active
Signal irrelevant
for ...
Spindles
Corresponding to .... DB21, ... DBX1.0 (activate referencing)
2.14.2 Signals from channel (DB21, ...)
DB21, ...
DBX36.2
All axes that have to be referenced are referenced
Edge evaluation: no Signal(s) updated: cyclic
Signal state 1 or
edge change
0 → 1
All axes that must be referenced (linear axes and rotary axes) of the channel are referenced.
The machine data:
MD20700 $MC_REFP_NC_START_LOCK (NC start inhibit without reference point)
is zero.
If two position measuring systems are connected to an axis, that would prevent an NC start, then
the active one must be referenced so that the axis is considered to have been referenced.
An NC Start command for parts program processing is only accepted when this signal is present.
Axes that have to be referenced are axes, if:
MD34110 $MA_REFP_CYCLE_NR _ = -1
and the axis is not in the parked position (position measuring system inactive and the controller
enable withdrawn).
Signal state 0 or
edge change
1 → 0
One or more axes of the channel have not been referenced.
Special cases,
errors, ......
The spindles of the channel have no effect on this interface signal.
Corresponding to .... DB31, ... DBX60.4 (referenced/synchronized 1)
DB31, ... DBX60.5 (referenced/synchronized 2)
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