Owner manual

D-4 USB Converter User Manual
Configuring the Converter for RTU Master Mode
Using V*S Utilities
1. On the V*S Utilities 1203-USB Parameter List screen (Figure D.1), double-click
converter parameter Adapter Cfg (01) and set its value to “3 = RTU Master.”
2. Remove power from the drive to which the 1203-USB converter is connected. This
temporarily ends communications. Then electrically connect all drives to create
the RTU Master network. see “Network Wiring” on page D-4.
for details.
Network Wiring
When wiring an RTU Master network, refer to the network wiring example shown in
Figure D.2. Connect the first MDI Class drive (Drive 1) on the network to the
1203-USB converter using an AK-U0-RJ45-SC1 splitter cable. Connect its male end
into Port 2 on the bottom of the drive. The 1203-USB converter must be connected to
the Master port (identified by the letter “M” at the port) of the splitter cable.
Important: Only one splitter cable can be used on the network, and it must be used to
connect the 1203-USB converter to the first drive.
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Figure D.1 – V*S Utilities 1203-USB Parameter List Screen
Network
Drive
Number
Address Setting for Drive
Parameter Drive Addr Cfg (104)
Comm Fault Setting for
Drive Parameter Comm
Loss Action (105)