gefran BUy-1020 Manual De Instrucciones página 49

with reference to the terminals C and D of the inverter.
The inverters of the AVy series are supplied with a command for the external braking units;
all BUy-... have to be configured as Slave. The terminals 26 and 27 of the inverter are con-
nected to the terminals 7 and 8 (SIN) of the first BUy, which, on its turn, is connected to the
following BUy with its terminals 5 and 6. The terminals 9 and 10 (SOUT) are short-circuited.
See the following example.
Figure 3.4.2: Parallel connection of several units (Slave), to the Master Drive AVy
L1
L2
L3
N
PE
F1
K1M
L1
~ ~
FILTER
U1 V1 W1
U2 V2 W2
M
3~
E
49-GB
PE1
MASTER DRIVE AVy
PE2 C D
Red Black
C D
76
75
10
BUy SLAVE
S2=SLAVE
S4=ON
CR BR
1 3
BRAKING RESISTORS
—————— Braking Unit ——————
C D
9 9
76
75
10
BUy SLAVE
5
7 7
S2=SLAVE
S4=ON
8 8
6
CR BR
1 3
BRAKING RESISTORS
THERMAL RELAY