Lenze 9300 - Page 37

Installation
4-18

BA9300POS EN 2.3
4.2.7.4 DC bus connection of several drives
Decentralized supply with brake module
K1
K1
L3
N
PE
L1
L2
U V
W
M
3~
PE
L1 L2 L3
F1
932X - 933X
PE +U G -U G
PE
RB
ϑ
+U G
-U G
9352
PE
RB2
RB1
Z1
X1
Z3
RB
K1
U V
W
M
3~
PE
L1 L2 L3
932X - 933X
PE
+U G
-U G
PE
Z2
F7
F8
F9 F10
ON
OFF
28
A4
PE
28
A4
K1
RFR
PE
X2
K1
RFR
F2 F3
F4
F5 F6
Z4
K35.0113
Fig. 4-9 Decentralized supply for DC-bus connection of several drives`
Z1, Z2 Mains filter
Z3 Brake chopper
Z4 Brake resistor
F1...F6 Protection, see “Cable protection” (
^ 3-6
) / “Mains connection” (
^ 4-13
)
F7...F10 DC bus fuse; fuse holder with / without alarm contact, see “Cable protection” (
^ 3-6
)/“Mains
connection” (
^ 4-13
)
K1 Main contactor
Stop!
• Set the DC-bus voltage thresholds of controller and brake unit to the same values.
– Controller using C0173
– Brake unit using switches S1 and S2
• A bimetal relais is required for the monitoring of the mains supply.
Tip!
Please observe the specifications in part F of the Manual and the application report “DC bus
connection” for the dimensioning and rating of the components.
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