RCMS490-D-2 Bender

1 - Power On LED “ON” (green); lights when supply voltage is 

applied and flashes in the event of system fault alarm 

respectively in the event of CT malfunction.

2 - Alarm LED “AL1” (yellow), prewarning; lights when the set 

response value IΔn1 is exceeded or flashes in the event of 

system fault alarm respectively in the event of CT malfunction

3 - Alarm LED “AL2” (yellow), alarm; lights when the set response 

value IΔn2 is exceeded or flashes in the event of system fault 

alarm respectively in the event of CT malfunction.

4 - Multi-functional LC display

5 - Test button “T”: to call up the self test. 

Arrow up button: parameter change, to move up in the menu

6 - Reset button “R”: to delete saved alarms. 

Arrow down button: parameter change, to move down in the 

menu

7 - “MENU” button: to call up the menu system. 

Enter button: to confirm parameter change. 

“ESC” button: press the button > 1.5 seconds.