NEMA IA 2.1-1994
Programmable Controllers - General Information R(2002)

Standard No.

NEMA IA 2.1-1994

Release Date

1994

Published By

National Electrical Manufacturers Association（NEMA)

Status

Withdraw

Replace By

NEMA IA 2.1-2005

Latest

NEMA ICS 61131-1-2005

NEMA IA 2.1-1994 history

• 2005 NEMA ICS 61131-1-2005 Programmable Controllers Part 1: General Information (Formerly NEMA IA 2.1)
• 1994 NEMA IA 2.1-1994 Programmable Controllers - General Information R(2002)