4
2.INSTALLATION
2.1 Pre-Installation Instructions
Make sure that the input power of the inverter is off.
2.2 Inverter Node Address Setting
Set the node address of the inverter on the Profibus network.
Set the inverter node address before switching on the inverter and do not change the setting while power is
on.
The node address may be set between 0
H
and 7D
H
.
With input power on, do not install or remove the option unit. Otherwise, the inverter and
option unit may be damaged.
CAUTION
1. Do not set the node address to 7E
H
through FF
H
.
2. Depending on the master module, 0
H
, 1
H
, 2
H
, 7C
H
, 7D
H
may not be used.
3. The node address changed while powering on the inverter is not made valid. The station
number setting is made valid either after power is reapplied or when the RES signal turns on.
4. You cannot set the same node address to other devices on the network. (Such setting disables
normal communication.)
CAUTION