Omron NB3Q-TW**B series Connection Manual page 43

2 Connecting to SIEMENS PLCs
Note When you use S7-200 SMART, observe the following setting.
Set the [PLC property] - [Protocol Time Out 2] to "20".
2
PLC Settings
 Using Ethernet Port of CPU Unit
When you use the Unit that uses built-in Ethernet Port, set the Unit with STEP7-MICRO/WIN Smart.
1
Double-click the [Communications].
2-9
NB-series Programmable Terminals Host Connection Manual (V108)