Motion Event Instructions
280 Rockwell Automation Publication MOTION-RM002H-EN-P-February 2018
Status Bits
MAOC Effects Status Bits
Status bits may be used to determine if an MAOC instruction can be initiated.
The MAOC instruction affects the following status words in the Motion Axis
Structure:
• OutputCamStatus
• OutputCamPendingStatus
• OutputCamLockStatus
• OutputCamTransitionStatus
Each above is a DINT with bits 0 to 7 corresponding to the 8 execution targets.
Bit 0 is execution target 0; bit 1 is execution target 1, etc.
If the Execution Schedule is set to Forward Only, Reverse Only or Bi-Directional,
an MAOC instruction can be initiated when either of the following two
conditions exist:
OutputCamStatus bit corresponding to execution target = FALSE
OutputCamStatus bit corresponding to execution target = TRUE
OutputCamLockStatus bit corresponding to execution target = FALSE
OutputCamTransitionStatus bit corresponding to execution target = FALSE
If the Execution Schedule is Pending, the MAOC instruction is initiated if either
of the following two conditions exist:
OutputCamStatus bit corresponding to execution target = FALSE
OutputCamStatus bit corresponding to execution target = TRUE
OutputCamTransitionStatus bit corresponding to execution target = FALSE
Axis and Module Fault Conditions Disarm Output Cams
When the controller detects one of the following faults, it disarms output cams:
• For Axis_Servo and Axis_Servo_Drive, axis feedback loss fault
• For Axis_Servo and Axis_Servo_Drive, module fault
• For Axis_Consumed, physical axis fault
Those faults produce unreliable feedback data.
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