Siemens SINUMERIK 840D sl Function Manual page 548
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Examples
4.1 Defining auxiliary functions
Requirements
Spindle 1 (master spindle)
Note
Default assignments
• The auxiliary functions M3, M4, M5, M70 and M1=3, M1=4, M1=5, M1=70 of spindle 1
• All S and S1 values of spindle 1 (master spindle) are assigned to the third auxiliary
• The gear stage last programmed is to be output after block search. The following auxiliary
– M1=40, M1=41, M1=42, M1=43, M1=44, M1=45
• The auxiliary functions M3, M4, M5, M70 and M1=3, M1=4, M1=5, M1=70 (second auxiliary
• The auxiliary functions for gear changeover M40 to M45 and M1=40 to M1=45 (ninth
Spindle 2
• Only one M function for directional reversal may be programmed in one block. The
• All S2 values are assigned to auxiliary function group 11.
• The auxiliary functions M2=3, M2=4, M2=5, M2=70 (tenth auxiliary function group) and S2
Cooling water
• It is not permissible to switch the cooling water on and off in one part program block. After
60
(master spindle) are assigned to the second auxiliary function group by default.
function group by default.
functions are assigned to the ninth auxiliary function group for this reason:
– M40, M41, M42, M43, M44, M45
function group) and S and S1 values (third auxiliary function group) should have the
following output behavior:
– Output duration one OB40 cycle (quick acknowledgment)
– Output prior to motion
auxiliary function group) should have the following output behavior:
– Output duration one OB1 cycle (normal acknowledgment)
– Output prior to motion
direction of rotation last programmed is to be output after block search. The following
auxiliary functions are assigned to the tenth auxiliary function group for this reason:
– M2=3, M2=4, M2=5, M2=70
values (auxiliary function group 11) should have the following output behavior:
– Output duration one OB40 cycle (quick acknowledgment)
– Output prior to motion
a block search, the cooling water will be switched on or off. For this purpose, the following
auxiliary functions are assigned, for example, to auxiliary function group 12 or 13:
– 12. auxiliary function group: M50, M51
– 13. auxiliary function group: M52, M53
Basic logic functions: Auxiliary Function Output to PLC (H2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
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