TO STRING String [...] contains the OID to [...] string as value. Use
Type g_st STRING(255) g_pst POINTER TO STRING(255)
Component REFERENCE TO STRING Name [...] Key REFERENCE TO STRING Name [...] value to settings In
IPADDR REFERENCE TO STRING [...] _IEC_RESULT Convert IP address to a string. InOut: Scope
IPADDR REFERENCE TO STRING [...] _IEC_RESULT Convert IP address to a string. InOut: Scope
Type pstr POINTER TO STRING xw __XWORD
Type pstr POINTER TO STRING di DINT