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Chapter 13 Control Sub Functions
13.8 Servo ON/OFF
13.8.1 Servo ON/OFF
This function executes servo ON/OFF of the servo amplifiers connected to the Simple
Motion module.
By establishing the servo ON status with the servo ON command, servo motor
operation is enabled.
The following two signals can be used to execute servo ON/OFF.
All axis servo ON [Y1]
[Cd.100] Servo OFF command (Buffer memory addresses:
1551+100n[QD77MS2/QD77MS4]/4351+100n[QD77MS16])
A list of the "All axis servo ON [Y1]" and "[Cd.100] Servo OFF command" is given
below.
[Cd.100] Servo OFF command
Setting value "0" Setting value "1"
Command to servo amplifier Command to servo amplifier
All axis servo ON: Y1
OFF
Servo ON command: OFF
Ready ON command: OFF
Servo ON command: OFF
Ready ON command: OFF
ON
Servo ON command: ON
Ready ON command: ON
Servo ON command: OFF
Ready ON command: ON
: Servo ON (Servo operation enabled) , : Servo OFF (Servo operation disabled)
POINT
When the delay time of "Electromagnetic brake sequence output (PC02)" is used,
execute the servo ON to OFF by "[Cd.100] Servo OFF command". (When all axis
servo ON [Y1] is turned ON to OFF, execute the servo OFF and turn off [Y1] after
delay time passes.)
Refer to each servo amplifier instruction manual for details of servo ON command
OFF and ready ON command OFF from Simple Motion module.
[1] Servo ON (Servo operation enabled)
The following shows the procedure for servo ON.
(1) Make sure that the servo LED indicates "b".
(The initial value for "All axis servo ON [Y1]" is "OFF".)
(2) Set "0" for "[Cd.100] Servo OFF command".
(3) Turn ON "All axis servo ON [Y1]".
Now the servo amplifier turns ON the servo (servo operation enabled state).
(The servo LED indicates "d".)