Inovance MD520 Series - Page 42

Electrical Installation
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R S T
POWER
U V W
MOTOR
BR (+) (-)
Figure 2‑5 Layout of main circuit terminals for T5 to T8 models
(-)
TR S
(+)
U
WV
POWER
MOTOR
Figure 2‑6 Layout of main circuit terminals for T9 models
Table 2–1 Descriptions of main circuit terminals
Terminal Identification
Name
Function
R, S, T
Three‑phase power supply
input terminals
The terminals are used to
connect the three‑phase AC
power supply.
(+), (‑)
Positive and negative
terminals of the DC bus
Common DC busbar input;
connected to the external
braking unit of T9 models
and above.
(+), BR
Braking resistor connection
terminals
The terminals are used to
connect to the braking
resistor of T8 models and
below.
U, V, W
Output terminals The terminals are used to
connect to a three‑phase
motor.
Grounding terminal (PE) It is used for protective
grounding.