Read the alarm number in PLC program of 840D sl

Variable "textIndex" Alarm number (actual alarm)

Physical Unit:-
Data Format:Long Integer
Access Rights:read

The variable is an array, containing elements addressed with the line index:

meaning of the line index:Alarm list index
The maximum alarm list index can be read via variable $$/N/S/numAlarms in module S.

maximum line index:16

The variable textIndex is stored in the area N (NC data) in the data module SALA (Alarm list, oldest alarm).

PLC with NC-Var-Selector:

Area: N
Data module: SALA
Variable:textIndex[.]

line = Alarm list index
The maximum alarm list index can be read via variable $$/N/S/numAlarms in module S.

There are no more info to the DOConCD.
the Variable "text index" is available in several areas (SALA, SALAP, SALAC ..)
the list is sorted by time or there Prio in the fields.

when read with NCVar you have to play little bit with the parameters.
to get the full list of errors.

have fun