Connection - Schneider Altivar 61/71 Guía De Explotación

Connection

Connecting a drive to a braking unit and a braking resistor
Connecting two drives, both connected to a braking unit, to a single DC BUS
3 AC
L1
ATV71
U
Note: DC bus
It is possible to have drives of different ratings connected to one DC bus (with the recommendation that there is a maximum of 1 size
between ratings).
1757084 11/2009
3 AC
L1 L2 L3
ATV71
+
BU
–
BU
U V W
M
Power link
L2 L3
BU +
BU
–
V W
M
TH
+ PA
BU
PB
–
BU
Braking unit
Control link
Braking
resistor
TH
PA
BU +
PB
BU –
Braking unit
3 AC
L1 L2 L3
ATV71
BU +
BU –
U V W
M
Braking
resistor
PA
BU +
PB
–
BU
Braking unit
TH
Braking
resistor
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