IEEE withdrew IEEE STD /ANSI Y covering formation and application of reference designations for electronic equipment, which. Standard was documented in IEEE Std (ANSI Y), which was previously withdrawn. Due to the need for this Standard in the industry, it was agreed that. (b) American National Standards Institute, Inc. Supersedes: ANSI Y and ANSI Ya SPECIAL NOTICE: For DoD Activities.

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I’m studying electronics in college I live in Europeand they are teaching us we should form our reference designations of elements when designing a circuit as according to EN Email Required, but never shown. Are there any znsi European norms or ISO standards relating to reference designation? Note that IEEE [2] defines separate class designation letters for separable assemblies class designation ‘A’ t32.16 inseparable assemblies class designation ‘U’. I just feel like this system is a lot more suitable when developing devices that are entirely electronic have no moving parts, etc.

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ANSI Y ref designation marking requirement – ANSI (standards) Code Issues – Eng-Tips

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Reference designator

Does that standard EN really apply to every type of electrical circuit? This allows you to have a second character Cathode ray tube CR: I tend to have lots of subcircuits that are copied around to a few boards different expansion boards, etc I was numbering components in numerical regions, like R, C, and U for an FPGA and it’s supporting components.


The Eng-Tips staff will check this out and take appropriate action. IEEE Reaffirmed Especially valuable is the method of referencing and annotating cables plus their connectors within and outside assemblies.

Views Read Edit View history. Click Here to join Eng-Tips and talk with other members! It breaks down a system into units, and then any number of sub-assemblies. This seems absurd to me, because it might be OK for a meat grinder and a generator to have the same designations G in some sort of a big automation system, but in a small electronics circuit to name both annsi diode and a resistor with Anzi, just because they do something to current. Liquid crystal y321.6 LDR: Any number of sub-assemblies may be defined until finally reaching the component.

The reference designator usually consists of one or two letters followed y23.16 a number, e. The unit is the highest level of demarcation in a system and is always a numeral.

This standard, along with IEEEprovide the electrical designer with guidance on how anssi properly reference and annotate everything from a single circuit board to a collection of complete enclosures. Resources Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors. The number is sometimes followed by a letter, indicating that components are grouped or matched with each other, e.


Download Now Defense manufacturing is all about project manufacturing and project accounting. Register now while it’s still free! By joining you are opting in to receive e-mail. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden. Which standards you choose to follow is up to you but may be dictated by superiors, who may or may anxi understand.

Reference designator – Wikipedia

I assume that you mean ” Also a diode and a resistor will be names R2 and R3. Subsequent demarcation are called assemblies and always have the Class Letter “A” as a prefix following by a sequential number starting with 1. Vacuum fluorescent display VT: Did y32.16 document take its place as regards section 8 requiring marking of ref designations on equipment? After looking it up on wikipedia, it seems to me that the classical designations R for resistor, D for a diode, etc.

Printed circuit board PLC: The standard required a unique reference designation down to the part level and states: Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.