Installation manual

25
Power terminals
Access to the power terminals
ATV71H 037M3 to D15M3X and ATV71H 075N4 to D18N4
Unlock the power part access flap and remove it as shown below.
ATV71H D18M3X to D45M3X, ATV71H D22N4 to D75N4 and ATV71H U22Y to D90Y
To access the power terminals, remove the front panel as shown below.
Characteristics and functions of the power terminals
Only remove the link between PO and PA/+ if a DC choke has been added. The screws on the PO and PA/+ terminals must always
be fully tightened as there is a high current flowing in the commoning link.
Terminal Function
t Protective ground connection terminal
R/L1
S/L2
T/L3
Power section AC supply
PO DC bus + polarity
PA/+ Output to braking resistor (+ polarity)
PB Output to braking resistor
PC/- DC bus - polarity
U/T1
V/T2
W/T3
Outputs to the motor
Example of ATV71HU22M3
Example of ATV71HD75N4