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2 acceleration/deceleration pattern ¡p t i, p b, P t / ], [p t p, P fc – Toshiba VF-SX User Manual

Page 80: Toshiba, 2 acceleration/deceleration pattern ¡ p t i , p b

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TOSHIBA

9-15

9.4.2 Acceleration/Deceleration Pattern

¡ P t I , P b

The acceleration/decelcratlon pattern

[P t / ], [P t P]

corresponding to

acceleration/deceleration times 1 and 2 are selected as shown.

TABLE 9-6: SELECTION OF ACCELERATION/DECELERATION PATTERNS

[P fc /

] and

[P t

P] Values

Function

0

straight line pattern. See Figure 9.11.

1

S-Character 1 Pattern (The motor acceleration
torque gradually accelerates at a small speed in

this pattern. This pattern is suitable for
transfer machines.) See Figure 9.12.

P

S-Character 2 Pattern (The motor acceleration

torque gradually accelerates at a small speed in
this pattern. This pattern is suitable for high

speed operation.) See Figure 9.13.

Output

Fr equerry

Maximum

Frequency

Figure 9.11 Straight Line

Pattern

Output

Freouency

Completed

MaximLin

Frequency

Figure 9.12 "S" Character 1

Pattern