Multiple Inverter
Pin 2 & 4 of Inv-1 is connected to Pin 1 & 3 of next inverter in Daisy Chain.
When two or more inverters are in parallel communication, 2P DIP switch beside RS485 of the last one
should be “ON”. Or else, it may cause communication interruption. That 2P DIP switch is on, means
connecting a 120Ω communication
terminal resistance between the R/T + and R/T - )
DEFAULT CONFIGURATION IN HOLMIUM Logger
Inverter ID: 1, 2, 3, 4 .... Continuous numbering starting with 1, (Range: 1 to 247)
Baud Rate: 9600 (Default) (
Values
: 9600, 19200, 38400)
Data Bits: 8, Stop Bit: 1, Parity: None
CONFIGURATION AT THE INVERTER END
Press Enter on LCD panel and get into settings menu, After entering into the setup interface, the system will
ask to input password, the default password is
“00000”
.
Setting the BAUD RATE
Option 6 under Settings Menu- 485 Baud rate
If you connect multiple inverters via RS485, set the same baud rate on each inverter
.
Set Inverter Baud rate to 9600
Press UP and DOWN to move correcponding options. Confirm
selected option and return back the setup interface by
pressing ENTER button. Press ESC button to cancel choice and
return back the setup interface.