Siemens SINUMERIK 840D Function Manual

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Minus cam signalsThe status of the minus cam signals is entered into the following NC/PLC interface signals:DB10 DBX110.0 to 113.7 (minus cam signal 1 to 32)Plus cam signalsThe status of the plus cam signals is entered into the following NC/PLC interface signals:DB10 DBX114.0 to 117.7 (plus cam signals 1 to 32)NoteIf no measuring system has been selected or NC/PLC interface signal DB31, ... DBX2.0 (camactivation) is set to 0, then the following NC/PLC interface signals are also set to 0:● DB10 DBX110.0-113.7 (minus cam signals 1-32)● DB10 DBX114.0-117.7 (plus cam signals 1-32)● DB31, ... DBX62.0 (cams active)13.3.3 Output of cam signals to NCK I/Os in position control cycleSignal output in position control cycleFor cams assigned to an HW byte via machine data MD10470 to MD10473 (see Section"Hardware assignment"), the signal is output in the position control cycle.The 4 onboard outputs on the NCU and a total of 32 optional external NC outputs are availableas the digital outputs of the NC I/Os.Further informationSee Function Manual Basic Functions; Digital and analog NC I/O.Hardware assignmentThe assignment to the hardware bytes used is made for each eight cam pairs in the followinggeneral machine data:● MD10470 SW_CAM_ASSIGN_FASTOUT_1 Hardware assignment for the output ofcams1 - 8 to NC I/O● MD10471 SW_CAM_ASSIGN_FASTOUT_2 Hardware assignment for the output ofcams 9 - 16 to NC I/O● MD10472 SW_CAM_ASSIGN_FASTOUT_3 Hardware assignment for the output ofcams 17 - 24 to NC I/O● MD10473 SW_CAM_ASSIGN_FASTOUT_4 Hardware assignment for the output ofcams 25 - 32 to NC I/ON3: Software cams, position switching signals13.3 Output of cam signalsAxes and spindles412 Function Manual, 06/2019, A5E47437747B AA