Delta VFD-ED Series

Chapter 12 Descriptions of Parameter Settings | VFD-ED
12-00-9
 When Pr.00-09=1, V/F control + Encoder (VFPG) control diagram is as follows:
AVR
LPF
Acc/Dec Time
V/F Tabe
Torque
Compensation
Current
Detection
IGBT
PWM
DC Bus
Voltage
Protection
IM
Pr.05-10 Pr.05-12
Pr.00-13
Pr.01-01–Pr.01-02 Pr.05-01–Pr.05-09
+
DC Bus Voltage
Pr.01-00–Pr.01-08
Pr.01-12–Pr.01-30
Fcmd
Pr.00
-14
Speed Feedback
U
a
U
b
U
c
-
U
a
U
b
U
c
PI
Controller
Pr.10-11–Pr.10-16
+
Encoder
Pr.10-00–Pr.10-02
DC Bus
Voltage
Detection