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3.4.4. Power on and Servo on
1) Turn on the power.
2) The System checks the output DRDY approximately three seconds later.
3) If the System is in the normal state, turn on the input SVON. The System gets in the
Servo ON state.
◊ If the System does not output the DRDY signal normally, take appropriate measures
referring to “11. Alarm and Warning.”
4) The output SVST (Servo state) closes when the Motor servo is on.
5) Then input a necessary operation command.
Fig 3-12: Flow of Power on and Servo on
Timer
Power on
Alarm Start servo on
Operating Motor
User controller side Driver Unit side
Intialization
DRDY closes DRDY opens
SVON
NG
OK
Opens
Closes
DRDY
check
Error check
Action for alarm
WRN
check
Closes
Opens
SVST opens
SVST closes
Operation
SVST
check
Open
Closes
Action for warning
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