Mitsubishi Electric MELSEC iQ-R RD78G4 - Page 118

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4 ADVANCED SYNCHRONOUS CONTROL
4.3 Clutch
When the clutch smoothing status ON section is shortened
["5: Slippage method (Linear: Input value follow up)" is set.]
The clutch smoothing status ON section is fixed.
• When the input speed is changed largely during smoothing
["4: Slippage method (Linear)" is set.]
The output speed is changed slightly compared to the change of the input speed.
(The average speed might be faster than the speed before starting smoothing.)
OFF
t
t
ON
ON
OFF
Output speed
(Speed after clutch processing)
Clutch ON/OFF status
Clutch smoothing status
Input speed
(Speed before clutch
processing)
ON section is shortened.
Slippage amount at clutch ON Slippage amount at clutch OFF
Clamped at high speed
t
t
ON
ON
OFF
OFF
Output speed
(Speed after clutch processing)
Clutch ON/OFF status
Clutch smoothing status
Input speed
(Speed before clutch
processing)
ON section is fixed.
Slippage amount at clutch ON
Slippage amount at clutch OFF
t
t
ON
ON
OFF
OFF
Output speed
(Speed after clutch processing)
Clutch ON/OFF status
Clutch smoothing status
Input speed
(Speed before clutch
processing)
Slippage amount at clutch ON Slippage amount at clutch OFF
The speed changes slightly.