Wiring Main Circuit Terminals
2-
27
To
prevent the Unit from overheating, design the sequence to turn OFF the power supply for the thermal over-
load
relay trip contacts of the Unit as shown in Fig 2.17.
200-V
and
400-V
Class
Inverters
with
0.4
to
18.5
kW
Output
200-V
and
400-V
class
Inverters
with
22
kW
or
higher
Output
Fig 2.17 Connecting the Braking Resistor Unit and Braking Unit
Connecting
Braking
Units
in
Parallel
When
connecting two or more Braking Units in parallel, use the wiring and connectors shown in Fig 2.18.
There
are connectors for selecting whether each Braking Unit is to be a Master or Slave. Select “Master” for
the
first Braking Unit only, and select “Slave” for all other Braking Units (i.e., from the second Unit onwards).
Inverter
3G3IV-PLKB
o
Braking Resistor Unit
Thermal overload
relay trip contact
Inverter
3G3IV-PLKB
o
Braking Resistor Unit
Thermal overload
relay trip contact
3G3IV-PCDBR
o
Braking Unit
Thermal protector
trip contact
Содержание SYSDRIVE 3G3RV
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