Limit Switch Symbol Iec
Special requirements for control switches with positive opening operation.
Limit switch symbol iec. Valve limit switch legend. Iec 204 1 electrical equipment on industrial machines part 1. The symbol for a limit switch is shown below. Limit switch no iec symbols.
Basics 19 instrument loop diagram. Basics 14 aov schematic. A limit switch detects the physical motion of an object by direct contact with that object. Selector switch limit switch etc.
Jic nfpa sample drawing. Limit switches and foot switches contents. Iec symbol preview limit switches. Basics 18 embedded conduit layout.
General requirements cei en 60204 1. Products and versions covered. Supplementary contact symbols iec symbols static switching control. Fiber optic cable electrical connections boundary seal to be in accordance with article 501 5 of the national electrical code hazardous locations nonhazardous locations.
An example of a limit switch is the switch detecting the open position of a car s door automatically energizing the interior light of the car when the door opens. Typical electrical drawing symbols and conventions. Horizontal symbol vertical symbol description hls11 vls11 limit switch normally open hls12 vls12 limit switch normally closed hls11c vls11c limit switch. Basics 17 tray conduit layout.
Description symbols and technical data. Basics 15 wiring diagram.