Siemens SINUMERIK 840D sl Function Manual page 703

● Pulse duration
● Offset
● Mode
Extended Functions
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
The pulse duration is calculated by adding together the associated entries for the cam
pair in:
MD10461 SW_CAM_PLUS_LEAD_TIME[n]
SD41521 SW_CAM_PLUS_TIME_TAB_1[n]...
SD41527 SW_CAM_PLUS_TIME_TAB_4[n]
The time displacement of the position-time cam is calculated by adding together the
associated entries for the cam pair in:
MD10460 SW_CAM_MINUS_LEAD_TIME[n]
SD41520 SW_CAM_MINUS_TIME_TAB_1[n]...
SD41526 SW_CAM_MINUS_TIME_TAB_4[n]
MD10485 SW_CAM_MODE
Bit 2 = 1 must be set in the machine data to ensure that all cam pairs with the same
values for minus cam and plus cam positions are treated as position-time cams.
Software cams, position switching signals (N3)
9.4 Position-time cams
703