Attention

IronPLC can only run very simple programs. The steps described are accurate but many language features are not yet supported.

STRING¶

Single-byte character string with a maximum length.

Size	Variable (default max 254 characters)
Default	`''` (empty string)
IEC 61131-3	Section 2.3.1
Support	Not yet supported

Literals¶

'Hello, world!'
'It''s escaped'
STRING#'typed literal'

The maximum length can be specified in the declaration:

VAR
    name : STRING[50];   (* max 50 characters *)
    msg  : STRING;       (* default max length *)
END_VAR