
Three Phase Output (DC to AC) Inverter
Users Manual
Ver1.2
PAGE :
21
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6.1.2 RS232 Communication
This option provides Modbus communication over RS232/RS485 connection, for remote control
and monitoring.
Figure 6.2 Inverter / PC Connection
For RS232 communication, 9 pin female DSUB connector on the Communication & Alarm Relay
Board is used.
Pin connections of he necessary cable for inverter RS232 rectifier connection is given in the table
below :
Inverter side cable (DSUB9 Male)
PC side cable (DSUB9 Female)
Pin No
Function
Pin No
Function
2
RX
3
TX
3
TX
2
RX
5
GND
5
GND
Depending on the request of the user, it is possible to provide RS485 output, by adding a RS232 /
RS485 converter, on the manufacturing.
NOTE
RS232 / RS485 port is isolated from the rest of the system.
NOTE
Contact EPC for Modbus adresses.
Inverta Series
(DC to AC)
Inverter
RS232
Alarm
Relay
Board