4−15
The power to the inverter control part can be supplied externally as shown below.
Except driving motor, it is possible read and write the parameters by keypad and via
communication even the drive itself is not powered.
By having ability inverter doesn’t block the current flowing into itself when it is not
powered. This may cause the closed circuit when two or more inverters are connected to
common I/O wiring as shown below to result in unexpected turning the on the input. To
avoid this closed circuit, please put the diode (rated:50V/0.1A) in the path as described
below.
1
7
PLC
L
P24
WJ200
1
PLC
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