- 19 -
fig. 3-3a
)
R S T
(
+
)
PB U V W
Terminal
symbol
Function description
Ground terminal
R
、
S
、
T
R, S, T: Connected to the grid three-phase AC power
supply
R, S: Connect to the grid single-phase AC power
supply
U
、
V
、
W
Connect three-phase (380V or 220V) AC motor
+
Filter capacitor DC side voltage positive terminal
PB
DC braking resistor can be connected to +
3.3.2 Terminals of Control Loop:
485+ 485-
TA TB TC
GND GND AO S4 S5 Y1
10V AI1 AI2 S1 S2 S3
Fig. 3-4 Control Loop Wiring Terminal Diagram
三相电源输入
大地
直流电抗器
E
R
S
T
U
V
W
P
PB