Iai-america PCON-CFA Manual de usuario descargar pdf (Pagina 71)

3. ACON-C/CG, PCON-C/CG

CC-Link

(29) Acceleration/Deceleration Mode (MOD1, MOD0)

This signal is used to select the acceleration/deceleration pattern characteristics. Select one of them

before the actuator movement command.

MOD1 MOD0 Pattern Name Remarks

OFF OFF Trapezoid Pattern Set in delivery

OFF ON S-shaped Motion

ON OFF First-Order Lag Filter

ON ON Unavailable

Trapezoid Pattern

* The Acceleration and Deceleration are set in the “Acceleration” and “Deceleration”

data boxes on the position data.

S-shaped Motion

The S-shaped curve is described where at first in the acceleration, the line is gentle, but along

the way, it suddenly becomes steep.

Use it in such application that setting the acceleration/deceleration rate high is desired

because high tact time is required, but in the movement start or immediately before stop, low

acceleration/deceleration rate is favorable.

* The S-shaped motion degree is set using the parameter No. 56 “S-Shaped Motion Ratio

Setting”. The setting unit is % and setting range is from “0” to “100”.

(The above figure shows the image graph with the Parameter No. 56 set to “100”.

When it is set to “0”, the S-shaped motion is disabled.

However, note that this setting cannot be reflected to the jog and inching operations

performed on a teaching tool such as PC.

First-Order Lag Filter

This describes much gentle acceleration/deceleration curve than that for the linear

acceleration/deceleration (trapezoid pattern). Use it when it is not desired to give any slight

vibration to the work in acceleration/deceleration operation.

* The first-order lag degree set using the parameter No. 55 “Position Command Primary Filter

Time Constant”. The minimum input unit is 0.1msec and setting range is from “0.0” to

“100.0”.

When it is set to “0”, the first-order lag filter is disabled.

However, note that this setting cannot be reflected to the jog and inching operations

performed on a teaching tool such as PC.

ACON Dedicated Function

PLC Output Signal

Speed

Acceleration Deceleration

Time

Speed

Time

Speed

Time

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 103 104

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Iai-america PCON-CFA Manual de usuario Pagina 71

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