IEC 61131-3
[ar] IEC 61131-3
[es] IEC 61131-3
[fr] CEI 61131-3
[gl] IEC 61131-3
[ja] IEC 61131-3
[pl] IEC 61131-3
[pt] IEC 61131-3
[ru] IEC 61131-3
[sv] IEC-61131-3
[uk] IEC 61131-3