7/11

L9407F

Figure 4. Characteristics (Active always at engine start)

Figure 5. Soft Start/attack Characteristics

Ign. sw

on

off

Time (sec)

Time (sec)

Time (sec)

Time (sec)

Engine speed (rpm)

Field current (A)

W/Lamp

(soft attack inhibition Alt. speed)

(soft start enable Alt. speed)

0.5s min

0.5s min

Soft start

delay time

Soft start

delay time

Soft start

delay time

Soft start

timing

Soft start

timing

Soft start

timing

on

off

Ign. sw on

Starter on

E/G stop

and Ign. sw off

Ign. sw on

Starter on

E/G stop

Starter on

0.15s~0.5s

0.15s~0.5s

Engine start

Engine start

Engine restart

Soft attack inhibition

Alt. speed > E/G speed

Soft attack inhibition

Alt. speed < E/G speed

Engine

Ign. Key

W/Lamp

Ifield

DF - DFM

off

on

off

on

off

on

Bl

t_SL

t_ST

Field Pre-excitation

Field Regulation

Bl

Load ON