TI120 Series Variable Frequency Drive
System Installation and Wiring
- 6 -
R
S
T
B1 B2/+
U
V
W
_
2）
TI120-4T7.5GB
～
TI120-4T30GB
R
S
T
U
V
W
B1 B2/+
_
Terminal marking
Terminal name and function description
R
、
S
、
T
Three-phase AC input terminal
B1
、
B2/
⊕
Connecting terminal of brake resistor
B2/
⊕、
Ө
Positive and negative terminals of DC bus; DC input terminal of
external brake unit
U
、
V
、
W
variable frequency drive output terminal
Grounding terminal
3）
TI120-4T37G
～
TI120-4T45G
R
S
T
U
V
W
+
_
4）
TI120-4T55G
～
TI120-4T75G
R
S
T
U
V
W
+
_
5）
TI120-4T90G
～
TI120-4T132G
R
S
T
U
V
W
+
_
