Technical Bulletin

Modbus RTU On-Board Communications
8 PowerXL DG1 Series VFD MN040010EN—May 2014 www.eaton.com
Commissioning
RS-485 Communication Parameters
To commission the RS-485 communication board, enter the
Keypad menu as described below.
Change the Modbus RTU commissioning parameter values.
Figure 9. Keypad Navigation to RS-485 Menu
In this menu you will be able to scroll through the below
settings to setup the communication protocol.
Table 7. Modbus RTU/BACnet MS/TP—P20.2
Code Parameter Min. Max. Unit Default ID Note
P20.2.1 RS485 Comm Set 0 586 0 = Modbus RTU
1 = BACnet
®
MS/TP
P20.2.2 Slave Address 1 247 18 587
P20.2.3 Baud Rate 2 584 0 = 9600
1 = 19200
2 = 38400
3 = 57600
4 = 115200
P20.2.4 Parity Type 2 585 0 = None
1 = Odd
2 = Even
P20.2.5 Protocol Status 0 588 0 = Initial
1 = Stopped
2 = Operational
3 = Faulted