On the display unit show the ON/OFF state of the device/PLC bit address.
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If the state display is set to [Interlock Feature] or [Delay Feature], then [Show Interlocked Condition] has the highest priority followed by [Show In-Delay Status]. Consequently, the lamp may not display as expected. You can access this option from the [Switch/Lamp] dialog box, select the [Switch Common] tab and then select [Detail].
13.2.1 Procedure - Turning the Lamp ON/OFF with the ON/OFF Bit