# Definition of the number of characters of a string variable (P-EXTV-00022)

P-EXTV-00022 | Number of characters of a string variable
Description | This parameter can increase the permissible number of characters of string variables from 21 to 128 characters (each including the termination mark). If the addresses of the V.E. variable is specified in 24-byte blocks (see Memory layout), make sure that 128-byte variables of the STRING type are assigned several 24-byte blocks in the memory layout and that the index is incremented accordingly (cf. variable arrays).
Parameter | use_extended_string_var
Data type | BOOLEAN
Data range | TRUE, FALSE
Dimension | ----
Default value | FALSE
Remarks |