1 Part Names and Functions 1-1 Part Names NB3Q-TW00B/NB3Q-TW01B model Front view Power Indicator Display Back view : NB -TW01B only Confirm the safety of the system before turning ON or OFF the power supply, or pressing the reset button. 1-2 NB-series Programmable Terminals Setup Manual(V107) Precautions for Safe Use