Detailed description
2.2 Channelspecific referencing
Basic logic functions: Reference Point Approach (R1)
10 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Parameterizing the axis sequence
The following machine data element is used to specify the sequence in which the machine
axes of the channel are referenced:
MD34110 $MA_REFP_CYCLE_NR =
Number
Number Meaning
-1 The machine axis does not have to be referenced for NC START in the channel.
0 The machine axis does not participate in channel-specific reference point approach.
1 - 15 Sequence number in channel-specific reference point approach.
The machine axes are referenced in ascending order of numbers.
Machine axes with the same number will be referenced simultaneously.
Simultaneous reference point approach of several machine axes
Several machine axes can be referenced simultaneously depending on the control type:
SINUMERIK 840D: Max. 8 machine axes
SINUMERIK 810D: Max. 5 machine axes
Start reference point approach
Channel-specific reference point approach is started with:
DB21, ... DBX1.0 (activate referencing)
The status of channel-specific reference point approach is indicated by the channel with:
DB21, ... DBX33.0 (Referencing active)
Referencing status
When reference point approach is started, the referencing status of the machine axis is
reset:
DB31, ... DBX60.4 (referenced / synchronized 1)
DB31, ... DBX60.5 (referenced / synchronized 2)
Terminating reference point approach
As soon as channel-specific reference approach has been successfully completed for all
machine axes involved, this is acknowleged with:
DB21, ... DBX36.2 (all axes with obligatory reference point are referenced)
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