WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO1980000383) MEMORY SYSTEM FOR PROGRAMMABLE CONTROLLER
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/000383    International Application No.:    PCT/GB1979/000136
Publication Date: 06.03.1980 International Filing Date: 08.08.1979
IPC:
G05B 19/05 (2006.01), G06F 12/06 (2006.01), G06F 9/24 (2006.01), G11C 16/10 (2006.01)
Applicants:
Inventors:
Priority Data:
7833150 12.08.1978 GB
Title (EN) MEMORY SYSTEM FOR PROGRAMMABLE CONTROLLER
(FR) SYSTEME DE MEMOIRE POUR CONTROLEUR PROGRAMMABLE
Abstract: front page image
(EN)In a programmable controller having a central processor unit (10) and a memory, the invention provides the memory in the form of a fast memory (2) (suitably a RAM) and a slow memory (1) (suitably an EAROM). The processor is normally controlled by program, information in the slow memory. When it is desired to alter the control program, new program information is loaded into the fast memory. Control is then transferred to the fast memory, the new program information transferred to the slow memory, and control returned to the slow memory.
(FR)Dans un controleur programmable ayant une unite centrale de traitement (10) et une memoire, l"invention prevoit la memoire sous forme d"une memoire rapide (2) (de preference une RAM) et une memoire lente (1) (de preference une EAROM). Le processeur est normalement commande par un programme dont l"information est emmagasinee dans la memoire lente. Lorsque l"on veut modifier le programme de commande, un nouveau programme d"information est entre dans la memoire rapide. La commande est alors transferee a la memoire rapide, le nouveau programme d"information est transfere a la memoire lente et finalement la commande est renvoyee sur la memoire lente.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)