Quantities and units — Part 13: Information science and technology
In IEC 80000-13, names, symbols and definitions for quantities and units used in information science and technology are given. Where appropriate, conversion factors are also given. International Standard IEC 80000-13 has been prepared by IEC technical committee 25: Quantities and units, and their letter symbols in co-operation with ISO/TC 12. This standard cancels and replaces subclauses 3.8 and…
Information technology — Portable Operating System Interface (POSIX®) base specifications — Issue 8
ISO/IEC/IEEE 9945:2009 defines a standard operating system interface and environment, including a command interpreter (or "shell"), and common utility programs to support applications portability at the source code level. ISO/IEC/IEEE 9945:2009 is intended to be used by both application developers and system implementers and comprises four major components (each in an associated volume…
Industrial automation systems and integration — Product data representation and exchange — Part 242:...
The existing scope of AP242 is not diminished by this NWI.
This NWI covers needed updates, enhancements and extensions to the STEP AP242 application protocol last published as 10303-242 ed2 in 2020 with a minor revision in progress in 2021.
The following updates, enhancements and extensions are proposed :
Updates for:
1. Assembly PMI in the Domain Model and the modules
2. PMI updates in the…
ISO 16089:2015 specifies the requirements and/or measures to eliminate the hazards or reduce the risks in the following groups of stationary grinding machines which are designed primarily to shape metal by grinding:
Group 1: Manually controlled grinding machines without power operated axes and without numerical control.
Group 2: Manually controlled grinding machines with power operated axes and…
Agricultural vehicles — Mechanical connections on towed vehicles — Dimensions for hitch rings
This International Standard specifies dimensional requirements for the attachment of agricultural, non-balanced
trailers and implements by means of hitch rings to the rear of towing vehicles equipped with a hook specified in ISO
6489-1. Its purpose is to ensure the interchangeability of the mechanical connections on agricultural towed
vehicles.
This International Standard is applicable to rings…
