Function:
1>.Set method:
1.1>.Screen display ‘U-3' and enter setting mode automatically after power ON.
1.2>.The default initial display mode is P-0 which has no function.
1.3>.Press SET button to switch work mode: P-1 to P-4.
1.4>.Then press ENTER button to set parameter value after selected mode.
1.5>.Then press SET button select the next parameter and set value.
1.6>.It means that the setting is completed and the parameters are saved when no bit flashes.
1.7>.Keep press ENTER button more than 3second enter into set mode at normal display status.
1.8>.Reset:Press 2 buttons at the same time, then turn on the power. it means the reset is successful if it displays ‘rst', and all parameters are restored to factory settings.
1.9>.Set Mode:One bit of screen will flash at set mode.
1.10>.Work Mode: No any bit flashes.
1.11>.Press ENTER button to start or stop delay at work mode.
2>.P-1 work mode: Delay timer.
2.1>.This mode needs to set 3 parameters: T1, T2, d.
2.2>.Function: After trigger, relay keep OFF for time T1 and then keep ON for time T2 and then turn OFF and keep.
2.3>.T1: Set keep OFF time and set range is 0-999 second.
2.4>.T2: Set keep ON time and set range is 0-999 second.
2.5>.d: Set keep ON time and set range is d-0 to d-9.
2.6>.If T1 is set to 005 and T2 is set to 0, it means: after trigger, relay keep OFF for 5 second and then turn ON and keep. Trigger->OFF for 5s->ON.
2.7>.If T1 is set to 0 and T2 is set to 005, it means: after trigger, relay keep ON for 5 second and then turn OFF and keep. Trigger->ON for 5s->OFF.

Package:
1 X A30-U3 DC 99.9V Voltage Monitor Module with Delay