Siemens SINUMERIK 840D sl Function Manual page 523

Example
Output of auxiliary functions with different output behaviors in a part program block with
traverse movement.
Parameterized output behavior
• T function: Output before the motion
• M function: Output during the motion
• H function: Output at the end of the block
Parts program block
N10 G01 X100 M07 H5 T5
Time sequence for auxiliary function output
Figure 2-4
Basic logic functions: Auxiliary Function Output to PLC (H2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
MD22220 $MC_AUXFU_T_SYNC_TYPE = 0 (Output time of the T functions)
MD22220 $MC_AUXFU_M_SYNC_TYPE = 1 (Output time of the M functions)
MD22230 $MC_AUXFU_H_SYNC_TYPE = 2 (Output time of the H functions)
Example of auxiliary function output
Detailed description
2.3 Type -specific output behavior
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