Local panel instrument symbol
Also called Auxiliary location instrument
A local panel instrument is on a panel in the plant, away from the main control room, such as a compressor or package control panel.
What the local panel instrument symbol means
A local panel instrument is on a panel in the plant, away from the main control room, such as a compressor or package control panel.
How it is drawn
A circle with two horizontal lines through the middle.
The local panel instrument symbol in each standard
Drawn as ISA 5.1 defines it, as on most US and international legends.
ISO 10628-2 does not cover instruments. On ISO-based P&IDs they are drawn as IEC 62424 PCE requests, or to ISA 5.1 on many international projects.
IEC 62424 has no separate symbol for this. Check the project legend.
German (DIN): PLT-Stelle am Ortsleitstand. See DIN P&ID symbols.
Where you see it on a P&ID
On package skids, local control panels and field auxiliary rooms.
Tag codes
The local panel instrument is commonly tagged:
- PIC
- LIC
Tag formats follow the project numbering procedure. For instruments, the letters follow ISA 5.1, explained on the instrument symbols page.
Related symbols
Frequently asked questions
What does the local panel instrument symbol look like on a P&ID?
A circle with two horizontal lines through the middle.
What is a local panel instrument used for?
A local panel instrument is on a panel in the plant, away from the main control room, such as a compressor or package control panel. You will find it on package skids, local control panels and field auxiliary rooms.
What tag does a local panel instrument have?
It is commonly tagged PIC, LIC. The exact tag format comes from the project numbering procedure and the legend sheets.
Is the local panel instrument symbol the same in ISA and ISO?
ISO 10628-2 does not cover instruments. On ISO-based P&IDs they are drawn as IEC 62424 PCE requests, or to ISA 5.1 on many international projects. Companies vary the details, so always check the legend sheets at the front of the P&ID set.
What is the local panel instrument called in German?
PLT-Stelle am Ortsleitstand. On a German R&I-Fließschema it is drawn to DIN EN ISO 10628-2 and DIN EN 62424.
- In production since 2014
- Thousands of daily users
- On MODEC FPSO projects since 2016