Technical Bulletin

Modbus RTU On-Board Communications
PowerXL DG1 Series VFD MN040010EN—May 2014 www.eaton.com 7
Modbus RTU Specifications
Communication Board Connections
Table 5. Connections
Communications
Table 6. Communications
Connections
The RS-485 communication port is connected via the A and B
terminals on the drives control board.
Figure 7. Terminal Wiring
Figure 8. Termination Resistor and Shielding
Item Description
Interface
Data Transfer Method RS-485, half-duplex
Transfer Cable Twisted pair (1 pair and shield)
Electrical Isolation
Item Description
Modbus RTU As described in “Modicon Modbus Protocol
Reference Guide”
found at. http.//public.modicon.com/
Baud Rate 9600,19200,38400,57600,115200
Addresses 1 to 247