Inovance MD500-PLUS Series - Page 28

System Structure
‑27‑
R S T
POWER
U V W
MOTOR
BR (+) (-)
Figure 3‑6 Arrangement of main circuit terminals of T5 to T8 models
(-)
TR S
(+)
U
WV
POWER
MOTOR
Figure 3‑7 Arrangement of main circuit terminals of T9 models
Table 3–2 Main circuit terminals
Terminal
Name
Description
R, S, T
Three‑phase power supply
input terminals
Connected to AC input
three‑phase power supply.
(+), (‑)
Positive and negative
terminals of DC bus
Common DC busbar input
point, connected to the
external braking unit of T9
models and above.
(+), BR
Braking resistor connection
terminals
Connected to the braking
resistor of T8 models and
below.
U, V, W Output terminals
Connected to a three‑phase
motor.
Grounding terminal (PE)
Used for protective
grounding.