Yaskawa MP900 Series Machine Controller New Ladder Editor User Manual

Page 170

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1 Ladder Program Instructions

1.7.12 LINEAR ACCELERATOR/DECELERATOR 2 Instruction (SLAU)

1-160

Real Type SLAU Instruction

• After (

S) operates (

O) as follows, addition-subtraction speed (DVDT) is output now.

(

S) is accelerating: In S character section: DVDT

= ADVS.

Outside S character section: DVDT

= ADV

Moderation inside : In S character section: DVDT

= BDVS.

Outside S character section: DVDT

= BDV

• It was output to operate (

O) as follows maintenance per hour degree rise (ABMD).

• When line in operation (RN) is "Open", V

= 0, DVDT = 0, and ABMD = 0 are output.

LV

× Ts (0.1 ms)

Outside S character section

Acceleration rate (ADV

) =

AT (s)

× 10000

(ADVS > ADV)

VI > V (V > 0):

V

= V + ADV

,

,

,

LV

× Ts (0.1ms) Outside

S

character section

Moderation rate (BDV) =

BT(s)

× 10000

(BDVS < BDV)

VI < V (V > 0):

V = V + BDV

,

,

,

LV

× Ts (0.1 ms)

QS = ON (V > VI):

Rapid stop rate (QDV) =

QT(s)

× 10000

V = V + QDV

,

,

S character section acceleration rate (ADVS) = ADVS ±

AADVS

ADV

× Ts (0.1 ms)

: Value last time of ADVS = ADVS

AADVS =

AAT(s)

× 10000

In (ADVS < ADV) in S character section
VI > V (V > 0):

V = V + ADVS

,

,

,

,

,

S character section moderation rate (BDVS) = BDVS

±

BBDVS

BDV

× Ts (0.1 ms) :Value last time of BDVS = BDVS

BBDVS =

BBT(s)

× 10000

Outside S character section
(BDVS > BDV)

VI < V (V > 0):

V = V + BDVS

V : Speed output value last time
VI: Speed instruction input
Ts : Scanning time setting value

,

,

,

,

,

,

DVDT

× DVDT

ABMD =

2

× AADVS (BBDVS)

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