ABB L240 Series Installation, Commissioning & Operation

Also see for L240 Series: Product manual

Contents

ABB L240 Series Installation, Commissioning & Operation Manual pdf 22 page image

Operation of the L240225 Keypad L240/PT5.1 General descriptionKeypad L840/PT can be used both by system users for comfortableoperation as well as by Engineers to perform maintenance work orprogramming of the system. The messages are shown in plain text on thetwo line LCD display panel.Located below the LCD display is a status LED for indication of fault or alarmstates. In the external set state, only the date/time is displayed and the LEDunderneath the LCD keypad lights up.Description of the buttonsButton Function1, 2 - 0 Menu selection, entry of functions/parametersX Exit menu, go back a program step,whereby changes are accepted!? Indicates the selection of the input possibilities andfurther information (e.g. in the event log)> - < Page up/down in the menu list,in the event or access memory! Reset of alarms,incl. tamper alarmsDescription of the status LED The LED lights continuously if everything is OK During an operating fault, signal, tamper and circuit alarm the LEDflashes. The user can log in and view the signal