Hitachi SJ-FB Instrukcja Użytkownika Pobierz pdf (Strona 29)

29

Chapter 7 FUNCTIONS

[Setting example]

Main Motor : Encoder pulse 1024 pulses

Sub Motor : Encoder pulse 3000 pulses

(Main motor rotation speed) : (sub motor rotation speed) = 2 : 1

Set the following for slave inverter in this case.

Electronic gear setting position (P019) : RET (command pulse side)

Electronic gear numerator (P020) : 3000

Electronic gear ratio denominator (P021) : 1024*2=2048

Figure 7-4 Control block diagram of the electron gear function (1)

Figure 7-5 Control block diagram of the electron gear function (2)

G

Feed forward gain

Position loop gain

ASR

REF

-

N

D

FFWG

+

+

+

FB

Electron gear establishment position selection = FB

G

Feed forward gain

Position loop gain

ASR

REF

FB

-

N

D

FFWG

+

+

+

Electron gear establishment position selection = REF

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