Mechanical and Electrical Installation MD380 User Manual
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Table 3-1 Description of main circuit terminals of single-phase AC drive
Terminal Name Description
L1, L2
Single-phase power supply
input terminals
Connect to the single-phase 220 VA
C power
supply.
(+), (-)
Positive and negative
terminals of DC bus
Common DC bus input point.
(+), P%
Connecting terminals of
braking resistor
Connect to a braking resistor.
U, V,
W AC drive output terminals Connect to a three-phase motor.
Grounding terminal Must be grounded.
Ƶ
Description of Main Circuit Terminals of Three-phase AC drive
R
ST
3%
UVW
POWER MOTOR
Table 3-2 Description of main circuit terminals of three-phase AC drive
Terminal Name Description
R, S, T
Three-phase power supply
input terminals
Connect to the three-phase A
C power supply
(+), (-)
Positive and negative
terminals of DC bus
Common DC bus input point
Connect the external braking unit to the A
C drive of
18.5 kW and above (220 V) and 37 kW and above
(other voltage classes).
(+), P%
Connecting terminals of
braking resistor
Connect to the braking resistor for the A
C drive of
15 kW and below (220 V) and 30 kW and below
(other voltage classes).
P,
(+)
Connecting terminals of
external reactor
Connect to an external reactor.
U, V, W AC drive output terminals Connect to a three-phase motor.
Grounding terminal Must be grounded.
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