Yaskawa VS-616G5 Series Revision F Programming Manual Manual de usuario descargar pdf (Pagina 26)

V/f V/f w/PG

Open Loop

Vector

Flux

Vector

26 VS-616G5 Programming Manual

Setting Range: 0 to 100%

Factory Default: 1%

This parameter sets the level at which a loss of PID feedback is detected. The PID feedback must be at

or below this level for the time defined by B5-14 before a loss of feedback can be detected. A setting

of 100% represents 100% of the feedback signal.

Setting Range: 0.0 to 25.0

Factory Default: 1.0

This parameter sets the gain of the PID output. The PID output can be monitored by parameter U1-37

PID Output Monitor. Refer to PID Block Diagram Figure 9.

B6 Reference Hold

The reference hold or dwell function is used to temporarily hold the output frequency at a set refer-

ence, for a set time, and then start it again. This function can be used when driving a permanent magnet

motor, or a motor with a heavy starting load. This pause in acceleration allows the magnets in a perma-

nent magnet motor to synchronize with the stator field of the motor, thus reducing traditionally high

starting current.

Setting Range: 0.0 to 400.0Hz

Factory Default: 0.0Hz

Sets the dwell frequency reference during acceleration in units of 0.1Hz.

Setting Range: 0.0 to 10.0s

Factory Default: 0.0s

Sets the amount of time that the frequency reference “dwells” during acceleration in units of 0.1s.

Setting Range: 0.0 to 400.0Hz

Factory Default: 0.0Hz

Sets the dwell frequency reference during deceleration in units of 0.1Hz.

B5-13 PID Feedback Loss Detection Level <1110> Fb los Det Lvl

A A A A

B5-14 PID Output Gain <1110> Output Gain

A A A A

B6-01 Dwell Frequency Reference at Start Dwell Ref @Start

A A A A

B6-02 Dwell Time at Start Dwell Time@Start

A A A A

B6-03 Dwell Frequency Reference at Stop Dwell Ref @Stop

A A A A

Section B: Application Parameters

B6 Reference Hold

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Yaskawa VS-616G5 Series Revision F Programming Manual Manual de usuario Pagina 26