Free Instrument Index Excel template
By Saad, practising automation engineer · Updated 2026-09-25
Instrument index Excel: every tag with service, P&ID, area, range, and primary signal type. Master list for the project, separate from the Loop Register.
Sheet: Instrument Index. Includes an Instructions tab and example rows.
Download XLSXColumns
| Column | Required | Note |
|---|---|---|
| Tag | Yes | Instrument identifier |
| Description | No | Service text |
| Service | No | Process service |
| Signal Type | No | Primary signal type |
| Area | No | Plant area |
| P&ID Ref | No | P&ID drawing |
| Manufacturer | No | Optional |
| Model | No | Optional |
| Range Low | No | EU zero |
| Range High | No | EU span |
| Units | No | EU units |
| Notes | No | Free text |
Example rows
| Tag | Description | Service | Signal Type | Area | P&ID Ref | Manufacturer | Model |
|---|---|---|---|---|---|---|---|
| PT-1001 | Reactor pressure | Reactor | AI | Unit 1 | P&ID-101 | — | — |
| FT-2001 | Cooling water flow | Cooling | FI | Unit 2 | P&ID-201 | — | — |
First eight columns shown. Download the XLSX for the full sheet.
Importing this workbook works like a vendor IO list — upload it in the IO list checker or on the home page, review the mapping, and create loops.