Connection To The Dc Bus (+Ug, −Ug) - Lenze ECSEE Serie Instructions De Montage

4.2.2 Connection to the DC bus (+U
(
Stop!
ƒ
ƒ
If the total cable length is > 20 m, install an axis module or a capacitor
ƒ
module directly at the power supply module.
Design the ±U
ƒ
short−circuit−proof routing!
Cable length (module « module) > 30 cm: install shielded ±U
ƒ
Fuses
Fusing the DC−bus interconnection is not required if power supply modules of
the ECS series are used which are fused on the mains side.
Cable cross−sections
Cable length
(module /
module)
Up to 20 m
> 20 m
EDKCSEE040 DE/EN/FR 3.0
Connection to the DC bus (+U
, −U
G
The supply of Lenze controllers of the 82xx and 93xx series is not
permitted.
If synchronous motors with a high centrifugal mass are used, a
considerable amount of energy can be fed back into the DC bus.
Please take this into account when dimensioning the brake
resistor.
cables twisted and as short as possible. Ensure
G
Wire end ferrule Cable
cross−section
Without wire end
ferrule
With insulated wire
end ferrule
Without wire end
ferrule
With insulated wire
end ferrule
Use pin−end
connectors for
wiring!
l
Electrical installation
Power terminals
)
G
Tightening torque
2
6 mm
(AWG 10)
1.2 ... 1.5 Nm
(10.6 ... 13.3 lb−in)
2
10 mm
(AWG 8)
4
, −U )
G G
cables.
G
Stripping length
5 mm for screw
connection
10 mm for spring
connection
71