Chapter 10 Digital Keypad|CFP2000 Series 
 
 
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3. Keypad locked 
 
Press ENTER key to lock. 
 
Keypad Locked 
This function is used to lock the keypad. The main page would not display 
“keypad locked” when the keypad is locked, however it will display the 
message”please press ESC and then ENTER to unlock the keypad” when any 
key is pressed. 
When the keypad is locked, the main screen doesn’t 
display any status to show that. 
Press any key on the keypad; a screen as shown in 
image on the left will be displayed. 
If ESC key is not pressed, the keypad will 
automatically be back to this screen. 
The keypad is still locked at this moment. By 
pressing any key, a screen as shown in the image on 
the left will still be displayed. 
Press ESC for 3 seconds to unlock the keypad and 
the keypad will be back to this screen. Then each ke
 
on the keypad is functional. 
Turn off the power and turn on the power again will not lock keypad. 
 
4. PLC Function 
 
Press Up/Down key to select a 
PLC’s function. 
Then press ENTER. 
 
 
 
When activate and stop PLC function, the PLC status will be displayed on 
main page of Delta default setting.     
Option 2: Enable PLC function 
Factory setting on the main screen displays 
PLC/RUN status bar. 
Option 3: Disable PLC function 
Factory setting on the main screen displays 
PLC/STOP status bar 
 
If the PLC program is not available in the control 
board, PLFF warning will be displayed when 
choosing option 2 or 3.   
In this case, select option 1: No Function to clea