Yaskawa MP940 - Manual (Page 55)

Basic System Operation
3.2.2 Start Sequence
3-8
„ MP940 Start Sequence and Basic Operation
Power ON
Test mode
switch
= Test mode
= Normal mode
Offline self-
diagnosis
Program mem-
ory check
= Not damaged
= Damaged
Program data:
Memory clear
Startup self-
diagnosis
Detect RUN
switch
Start watchdog
timer
Execute DWG.A
Interrupt signal
Execute DWG.I
End after one
execution
S scan synchronization
DWG.S
S scan process
DWG.H
H scan process
DWG.L
L scan process
Time slice
execution
Ground
Online self-
diagnosis