What is Instrument Loop Diagram

Instrument loop diagram represents detailed drawing showing a connection from one point to control system. Loop diagram shows instrument (in a symbol) and its terminal numbers which are to be connected, instrument cable number, junction box number, terminal number assigned for the specified instrument, multi-pair cable and pair number , marshaling cabinet number, terminal number in marshaling cabinet, control system details (rack, slot, I/O channel). It also clearly indicates location of each equipment by means of border line as a limit. Source: http://instrumentationportal.com/2011... For more instrumentation resources visit http://www.instrumentationportal.com