6 Connection of the COMBIVERT F5-AIC
6.1 Description of the input terminals at the drive converter
NOTICE
Starting current limiting
When connecting drive converters to a DC bus pay attention to the inter-
nal wiring of the DC voltage inputs !Drive converters that directly output
the DC link bus to the DC terminals must be integrated into the DC- bus
connection by way that the supply unit(s) limit the starting current.
Maximum DC link capacity
The maximum DC link capacity can be calculated by adding the DC link
capacities of all drive converters in the DC-bus connection.
=> „Technical data of COMBIVERT drive converters“. The AIC must be
suitable for this value.
Terminal Description
++, – – DC voltage input with starting current limiting; usable as output only if all devices
supplied by the DC bus have a starting current limiting at the DC voltage input.
+(PA), - DC voltage output with starting current limiting; usable as input only if the starting
current is limited by the supply source.
PA, PB Connection for braking resistor; optionally, only if a braking transistor is installed.
In this case additional terminals are available for the monitoring of the braking
transistor. If necessary, please contact KEB!
L1, L2, L3 Mains input 3-phase
U, V, W Motor connection or input terminals for AIC devices
Table 15: Description of the input terminals at the drive converter
35
CONNECTION OF THE COMBIVERT F5-AIC
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