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MELSEC-A
12 CONTROL AUXILIARY FUNCTIONS
2) Restart at servo ON after servo OFF by all axes servo ON signal (Y15)
or "
Cd.100
Servo OFF command"
When operation is stopped by an external "stop signal" or the axis stop
signal (Y13 (Axis 1), Y14 (Axis 2), Y1C (Axis 3)), "
Md.35
Axis
operation status" turns to "Stop". (Refer to section "6.5.6 Stop
program".)
At this time, servo OFF is performed by the OFF of the servo ON
signal or by the "
Cd.100
Servo OFF command", and when servo ON
is performed again, "
Md.35
Axis operation status" turns to "Stop" or
"Standby".
When "
Md.35
Axis operation status" is "Stop", operation can be
restarted by "
Cd.13
Restart command".
When "
Md.35
Axis operation status" is other than "Stop", a warning
"Restart not possible" (warning code: 104) occurs and the restart
command is ignored.
Servo ON signal
Stop Servo OFF Stand by
Restart not possible
Stop command
OFF
Servo ON
ON
Positioning Stop/Standby Servo OFF
Restart not possible
Restart possible
Servo ON
Md.35
Axis operation
status
(b) Conditions for restart at servo OFF to ON
1) The "
Md.35
Axis operation status" at servo OFF to ON is "Stop" or
"Standby" depending on the difference between the last command
position of the AD75 at servo ON to OFF and the current feed value at
servo OFF to ON (range of movement during servo OFF).
Range of movement during servo OFF
Md.35
Axis operation status
Restart possible or not
Inside the range of "
Pr.150
Setting for the restart
allowable range when servo OFF to ON"
Stop Restart possible
Outside the range of "
Pr.150
Setting for the
restart allowable range when servo OFF to ON"
Standby Restart not possible
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