P&ID symbology for stantion mounted e-stop?
P&ID symbology for stantion mounted e-stop?
(OP)
I would like to place a mushroom emergency stop button on a stantion, necessarily away from the process equipment. To depict on a P&ID, can I have a double headed arrow on/off the page connected with dashed line to a YS dcs bubble connected to a HS local bubble? This would be shown as independent of the equipment motor. The arrow has the dcs cabinet number inside. Other ways?





RE: P&ID symbology for stantion mounted e-stop?
Some systems like area fire and gas or ESD buttons may justify a separate P&ID with "bubbles in space", tables for the associated equipment, tag numbers, etc.