Detailed Description
2.5 Priorities of the output behavior
Auxiliary Function Output to PLC (H2)
2-22 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Priority sequence
The rule for the priority sequence is that the parameterized output behavior with lower
priority becomes active if no output behavior with higher priority has been parameterized.
Area: Output duration
The following priorities apply to the output duration:
Priority Output behavior Defined via:
Highest Specific to auxiliary functions Part program instruction: QU(…)
Specific to auxiliary functions MD22035 $MC_AUXFU_ASSIGN_SYNC
MD22080 $MC_AUXFU_PREDEF_SYNC
Group-specific MD11110 $MC_AUXFU_GROUP_SPEC
Lowest Not defined Default output behavior: Output duration one OB1 cycle
Area: Output relative to motion
The following rules apply to output relative to motion:
Priority Output behavior Defined via:
Highest Specific to auxiliary functions MD22035 $MC_AUXFU_ASSIGN_SYNC
MD22080 $MC_AUXFU_PREDEF_SYNC
Group-specific MD11110 $MC_AUXFU_GROUP_SPEC
Type-specific MD22200 $MC_AUXFU_M_SYNC_TYPE
MD22210 $MC_AUXFU_S_SYNC_TYPE
MD22220 $MC_AUXFU_T_SYNC_TYPE
MD22230 $MC_AUXFU_H_SYNC_TYPE
MD22240 $MC_AUXFU_F_SYNC_TYPE
MD22250 $MC_AUXFU_D_SYNC_TYPE
MD22252 $MC_AUXFU_DL_SYNC_TYPE
Lowest Not defined Default output behavior: Output at block end
Note
Part program blocks without path motion
In a part program block without a path motion (even those with positioning axes and
spindles), the auxiliary functions are all output immediately in a block.
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