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Mitsubishi Electric RD77MS2 User Manual Page 86

Melsec iq-r simple motion module.
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■Slippage method linear acceleration/deceleration smoothing
Set "4: Slippage method (Linear)" or "5: Slippage method (Linear: Input value follow up)" in the clutch smoothing method.
The differences between "4: Slippage method (Linear)" and "5: Slippage method (Linear: Input value follow up)" are shown
below.
Input speed during smoothing
When the speed is fixed
When the speed is changed continuously
and slightly
When the speed is changed largely
• When the input speed to the clutch is fixed
The operations of "4: Slippage method (Linear)" and "5: Slippage method (Linear: Input value follow up)"are same.
Clutch ON/OFF status
OFF
Clutch smoothing status
OFF
Speed before clutch
processing
Speed after clutch
smoothing
Slippage amount at clutch ON
• When the input speed to the clutch is changed continuously and slightly
["4: Slippage method (Linear)" is set.]
The clutch smoothing status ON section is changed.
When the clutch smoothing status ON section is extended
Clutch ON/OFF status
OFF
Clutch smoothing status
OFF
Input speed
(Speed before clutch
processing)
Output speed
(Speed after clutch
processing)
Slippage amount at clutch ON
When the clutch smoothing status ON section is shortened
Clutch ON/OFF status
OFF
Clutch smoothing status
OFF
Input speed
(Speed before clutch
processing)
Output speed
(Speed after clutch
processing)
Slippage amount at clutch ON
4 SYNCHRONOUS CONTROL
4.3 Clutch
Smoothing method
4: Slippage method (Linear)
No differences
Smoothing section is changed.
The output speed is changed slightly. (The
average speed might be faster than the speed
before starting smoothing.)
ON
ON
Slippage amount at clutch OFF
ON
ON section is extended.
ON
Slippage amount at clutch OFF
Clamped at low speed
ON
ON section is shortened.
ON
Slippage amount at clutch OFF
Clamped at high speed
5: Slippage method (Linear: Input value follow up)
Smoothing section is fixed.
The output speed is changed depending on the input speed.
(When the input speed is decelerated and accelerated again,
the speed might be accelerated suddenly.)
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