Omron NB3Q-TW**B series Connection Manual page 149

7 Connecting to LSIS PLCs
RS232 Communication
Note LS Master-K CPU Direct protocol only supports communication speed of 38400bps.
 When Using LS Master-K Modbus RTU Protocol
PT default communication parameters: 38400bps (Baud Rate), 8 (Data Bit), none (Parity Check), 1
(Stop Bit) and 1 (PLC Station No.)
RS232 Communication
7
7-5
NB-series Programmable Terminals Host Connection Manual (V108)