What is the difference between the VW3A3310 and the VW3A3310D Modbus Ethernet TCP/IP option cards?
"D" on the end of the part number
ATV71 and ATV71
All models and serial numbers
The "D" on the end of the VW3A3310 indicates it is equipped for daisy chain and has dual RJ45 connectors. A network cable can go into one RJ45 and out the other to connect to the next drive in the network. The VW3A3310 has only one RJ45 port.