High Pressure Pump PLC
Adjusting the PLC to increase the time for pump to pressurize before timing out: The PLC Screen shown inside yellow dotted area. The time delay is pre-set at the factory for 25 seconds.
• Note: The steps below will basically double the amount of time (25 seconds to 65 seconds) of the factory setting. The setting can be raised up to a maximum of 99 seconds if needed.
• Steps to adjust the delay timer for the high pressure switch signal.
Power up the PLC.
From the main screen:
1. Press OK button, screen will change
2. Use the down arrow to get to Parameter
3. Press OK, screen will change
4. ‘0’ will be changing from darkened to lightened. Press OK
5. ‘0’ will be blinking
6. Press the down arrow until the ‘0’ changes to a ‘b’
7. Press OK, ‘b’ will begin flashing with a darkened square.
8. Press the Down arrow, the curser will drop down to the last ‘0’ on the ’25.00’ number at the bottom right hand side of the display.
9. Press OK, the ‘0’ will begin blinking
10. Press the left arrow 3 times to move the cursor to the ‘2’ of the ’25.00’ number.
11. Press the up arrow to change the ‘2’ to a ‘6’
12. Press OK
13. Press ESC 2 times to return to the operational screen (timer now set for 65 seconds)
