Mitsubishi QD75M1, User Manual

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MELSEC-Q
12 CONTROL SUB FUNCTIONS
12.8 Servo ON/OFF
12.8.1 Servo ON/OFF
The servo amplifiers connected to the QD75 is executed servo ON or OFF.
By establishing the servo ON status with the servo ON command, servo operation is
enabled.
There are two types of servo ON or OFF: All axes servo ON and each axis servo OFF.
All axis servo ON: Y1
Each axis servo OFF: Executed using buffer memory addresses (1551, 1651, 1751,
1851) .
[1] Servo ON
The following shows the procedure for servo ON.
(1) Make sure that the servo LED indicates "b
†
".
(The initial value for servo off command is "off".)
(2) Turn OFF each axis servo OFF command (buffer memory: 1551, 1651, 1751,
1851).
(3) Turn ON all axis servo ON command (Y1).
Now the servo amplifier turns ON the servo (servo operation enabled state).
(The servo LED indicates "d
†
".)
[2] Servo OFF
The following shows the procedure for servo OFF.
(1) Turn ON each axis servo OFF command (buffer memory: 1551, 1651, 1751,
1851). (The servo LED indicates "c
†
".)
(Turning OFF each axis servo OFF command leads to the servo ON state.)
(2) Turn OFF all axis servo ON command (Y1).
(The servo LED indicates "b
†
".)
POINT
If the servomotor is rotated by external force during the servo OFF status, follow
up processing is performed.
Change between servo ON or OFF status while operation is stopped.
The servo OFF command of during operation will be ignored.
When the servo OFF is given to all axes, all axis servo OFF is applied even if all
axis servo ON command is turned OFF with each axis servo OFF command
turned OFF.