Inovance MD520 Series, Hardware Manual

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System Structure
‑
24
‑
R S T
POWER
U V W
MOTOR
BR (+) (-)
Figure 3‑6 Main circuit terminals of T5 to T8 models
(-)
T R S
(+)
U W V
POWER MOTOR
Figure 3‑7 Main circuit terminals of T9 models
Table 3–2 Description of main circuit terminals
Mark 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,
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.