IEC 63261:2024/COR1:2025

INTERNATIONAL ELECTROTECHNICAL COMMISSION
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
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IEC 63261 IEC 63261
Edition 1.0  2024-11 Édition 1.0  2024-11

Representation of electrical and instrument Représentation des objets électriques et
objects in digital 3D plant models during d'instrumentation dans des modèles
engineering d'installation numérique 3D pendant la phase
d'ingénierie
CO RRI G E NDUM 1
Corrections to the French version appear after the English text.
Les corrections à la version française sont données après le texte anglais.

Table 1 – Content of 3D plant model
Replace the existing Table 1 with the following new Table 1:
E&I-Object Description Requirement,
recommendation
or permission
Instruments and valves
Automated valves All control devices (installed in the piping) within the P&ID with their Requirement
maximum geometric dimension of their drives and description of the
mounting
In-line instruments All in-line devices within the P&ID (installed in piping) with their Requirement
maximum geometric dimension according to the installation drawing
Inlet and outlet Special inlet and outlet sections Recommendation
sections
Flange-mounted All flange-mounted devices within the P&ID with their maximum Requirement
instruments geometric dimension. The room for installation and removal shall be
considered.
Surface-mounted Clamp-on measurement devices Requirement
instruments
Externally- Process control devices with tubing measurement lines: At least one Requirement
mounted measurement connection including the tubing adapter shall be modelled
instruments
IEC 63261:2024-11/COR1:2025-09(en-fr)

E&I-Object Description Requirement,
recommendation
or permission
Electrical and cable trays
Transformers Transformers Requirement
Motors Electrical drive for motors with equipment Requirement
Cable trays and All horizontal and vertical cable routes (equal and larger than 200 mm Requirement
ladders width)
Cable trays smaller than 200 mm width Permission
Mesh cable trays are usually not depicted Recommendation
Cable routing Configuration of the cable routes and cable run. All cables at a given Recommendation
cross section
Major electrical Major electrical supports for cable routes shall be planned in the model. Requirement
supports
Cable tray Mounting for cable trays only as required Recommendation
supports
Cable ducts Planned wall openings for cable trays or cable entries shall be depicted Requirement
Trenches, culverts All trenches and underground conduits Recommendation
and underground
conduits
Electrical panels and cabinets
Electrical panels Cabinets, local control boards (LCB) and control rooms in the field Requirement
Cabinets Cabinets in the switch room (required for cable routing and collision Requirement
avoidance with HVAC and FSA)
Process analyzer Analyzer cabinets, analyzer container; including room air measurement Requirement
cabinets and
containers
Remote-IOs Remote IOs Requirement
Junction boxes Electrical junction box Requirement
Field bus and transition junction box Recommendation
Grounding boxes Grounding box and central grounding point Recommendation
Installation
Local control Local control station including mounting Recommendation
station
Power sockets Power sockets and welding receptacles Requirement
Instrument air Air distributors (minimum placeholder) Recommendation
distribution
Air distributors in case it is connected to piping Requirement
Electrical heat Identification of electrical heat tracing by its thermal insulation Requirement
tracing
Reference measurement and distribution for electrical trace heating. Recommendation
Electrical trace heating shall only be depicted by its thermal insulation
Lighting Lighting row, lighting fixtures Recommendation
Emergency Emergency lights Recommendation
lighting
Communication systems
Fire alarm system Fire detectors and alarm annunciators (horn, lights) Permission
Public address Speaker, intercom stations Permission
system
Video systems Cameras Permission
WLAN access Network components Permission
points
Others
Hazardous areas Depiction of explosion hazard zones Permission

IEC 63261:2024/COR1:
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