Yaskawa MP940 Reference Manual - Manual (Page 424)

MotionSuite™ MP940 Machine Controller Reference Manual Control Mode
11-27
Ladder Program Example (Run Command Dwg H01)
Although the examples in the above figures are extremely simplified, in
reality each of the register types can be freely controlled by the user program.
The 940 SVA zero-point return mode block diagram appears on the next
page
.
H0110
RUNMOD
⇒ OWC0C0
Zero point return mode ON
LSDEC
OBC0C1F
IB00100
RUN
OBC0C10 RUNPB
IB00110
DEND
IB00100: Limit Switch Signal
(DECLS)
The zero point return operation starts
when the run command to the driver
(RUN) is ON. The zero point
completion signal IBC0C0F (ZRNC)
goes ON at completion of the zero
point return operation.