Omron NB3Q-TW**B series Connection Manual page 152

7 Connecting to LSIS PLCs
PLC Settings
 When Using LS Master-K Cnet Protocol
The software settings are as shown below (Please pay attention to the settings encircled by red line.):
 When Using LS Master-K Modbus RTU Protocol
The software settings are as shown below (Please pay attention to the settings encircled by red line.):
The "Cannot Change PLC Mode" will appear when [Connect+Write+Run+Monitor Start] is clicked, then
manual control is needed and download operation is available only when the RUN light is OFF. After
the download operation is completed, the RUN light should maintain ON.
7-8
NB-series Programmable Terminals Host Connection Manual (V108)