NEMA, the National Electrical Manufacturers Association, Rosslyn, Va., recently released ICS 19-2002, Industrial Controls and Systems: Diagrams, Device Designations, and Symbols. According to ...

In addition, the group updated the document to add new symbols and recognize new automation technology, add new reference sections and add the loop instrument diagrams symbol table. “The ISA5 ...

The symbols are suitable for use in dynamic displays, as on cathode-ray tubes (CRT's), and static displays, such as graphic panels. Though the standard may make use of standard symbols now used for ...