WEG PLC300, User Manual, Page: 27 / 76

Description of the Keys
PLC300 | 5-1
5 DESCRIPTION OF THE KEYS
Alpha-numeric keyboard
The twelve keys in the upper right part enter numbers, letters and symbols.
The input of letters or symbols it is allowed from firmware version 2.10 up.
Function keys
There are six keys with LED indicators <F1>…<F6>, which implement up to twelve functions,
being <F7>…<F12> activated with the <SHIFT> key.
When a function key has some assignment on the current screen, the respective LED
turns on.
The function keys can be used for BIT functions:
„
Set bit.
„
Clear bit.
„
Toggle bit.
„
Momentary On.
The function keys can also access a certain screen programmed by the user.
<HOME> key
Goes to ‘HOME’ screen, or the user zero screen.
<ESC> key
Used to abandon or abort certain internal operations, such as setup, to leave internal
screens, to abandon editing, etc.
<DEL> key
Deletes the digit under the cursor when entering numerical data.
When in the alarm history, if pressed for t>3s, clears all the alarm history, after confirmation.
<ALARM> key
When an alarm is activated, the key LED flashes to indicate a new active alarm.
By pressing the <ALARM> key, the list of active alarms is shown and the LED stops flashing,
indicating the acknowledgement of the alarm.
If the alarm is normalized, it leaves the list of active alarms and goes to the alarm history,
which can be seen by pressing <SHIFT><ALARM>.