Omron NB3Q-TW00B Startup Manual Manual page 100

6 Maintenance and Troubleshooting
18
How to make the PT's buzzer sound when a alarm occurs
Set Buzzer Warning in the alarm settings, and the buzzing time can be set as required, as
shown below:
19
Turn the PT backlight ON with the PLC control
Select the PLC control component, then select [Backlight Open], as shown below:
6-12 NB-series Programmable Terminals Startup Guide Manual(V109)