JPS58151743A - Polling system - Google Patents

Polling system

Info

Publication number
JPS58151743A
JPS58151743A JP3385382A JP3385382A JPS58151743A JP S58151743 A JPS58151743 A JP S58151743A JP 3385382 A JP3385382 A JP 3385382A JP 3385382 A JP3385382 A JP 3385382A JP S58151743 A JPS58151743 A JP S58151743A
Authority
JP
Japan
Prior art keywords
polling
stations
order
station
services
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3385382A
Inventor
Takashi Urata
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3385382A priority Critical patent/JPS58151743A/en
Publication of JPS58151743A publication Critical patent/JPS58151743A/en
Application status is Pending legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. local area networks [LAN], wide area networks [WAN]
    • H04L12/40Bus networks
    • H04L12/403Bus networks with centralised control, e.g. polling

Abstract

PURPOSE:To ensure the uniform services to all stations, by changing a station address with which the polling is started for each polling period. CONSTITUTION:The slave work stations 1-8 are connected to a master work station 10 via a serial interface connecting cable 9. A processing buffer 11 is provided within the station 10 to accept an input request. The buffer 11 is shared by all stations. The queuing cases for the input request are increased for the station that receives services in the latter half of the polling. Therefore the polling is started from an SS8 for the 2nd polling period in case the polling is carried out in order of SS1-SS8 in the 1st polling period. Thus other stations are delayed by an order respectively. Hereafter the order is changed in the same way until the 8th polling in order to ensure the uniform services.
JP3385382A 1982-03-05 1982-03-05 Polling system Pending JPS58151743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3385382A JPS58151743A (en) 1982-03-05 1982-03-05 Polling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3385382A JPS58151743A (en) 1982-03-05 1982-03-05 Polling system

Publications (1)

Publication Number Publication Date
JPS58151743A true JPS58151743A (en) 1983-09-09

Family

ID=12398059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3385382A Pending JPS58151743A (en) 1982-03-05 1982-03-05 Polling system

Country Status (1)

Country Link
JP (1) JPS58151743A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575846A (en) * 1982-10-08 1986-03-11 Canon Kabushiki Kaisha Data communication system
JPS62147834A (en) * 1985-12-23 1987-07-01 Matsushita Electric Works Ltd Time division multiplex transmission system
JPS62147835A (en) * 1985-12-23 1987-07-01 Matsushita Electric Works Ltd Time division multiplex transmission system
JPS62235839A (en) * 1986-03-26 1987-10-16 Tandem Computers Inc Changeable i/o priority selector
JPH01292930A (en) * 1988-05-20 1989-11-27 Fujitsu Ltd Priority system for polling
JPH03209944A (en) * 1989-05-19 1991-09-12 Omron Corp Communication network system by fuzzy control

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575846A (en) * 1982-10-08 1986-03-11 Canon Kabushiki Kaisha Data communication system
JPS62147834A (en) * 1985-12-23 1987-07-01 Matsushita Electric Works Ltd Time division multiplex transmission system
JPS62147835A (en) * 1985-12-23 1987-07-01 Matsushita Electric Works Ltd Time division multiplex transmission system
JPH0746806B2 (en) * 1985-12-23 1995-05-17 松下電工株式会社 Time division multiplex transmission system
JPH0746807B2 (en) * 1985-12-23 1995-05-17 松下電工株式会社 Time division multiplex transmission system
JPS62235839A (en) * 1986-03-26 1987-10-16 Tandem Computers Inc Changeable i/o priority selector
JPH01292930A (en) * 1988-05-20 1989-11-27 Fujitsu Ltd Priority system for polling
JPH088577B2 (en) * 1988-05-20 1996-01-29 富士通株式会社 Polling priority method and a data transmission device
JPH03209944A (en) * 1989-05-19 1991-09-12 Omron Corp Communication network system by fuzzy control
JPH0771094B2 (en) * 1989-05-19 1995-07-31 オムロン株式会社 Communication network system

Similar Documents

Publication Publication Date Title
GB2190526B (en) Service request communications apparatus
AU552312B2 (en) Communication system
US4560985B1 (en) Dual-count, round-robin ditributed arbitration technique for serial buses
AU585721B2 (en) Computer network system
AU554263B2 (en) Multi node data processing system
AU539961B2 (en) Data processing system with virtual machines
TW494357B (en) Apparatus and method for scheduling and dispatching queued client requests within a server in a client/server computer system
AU556805B2 (en) Machine tool communication system
GB2057822B (en) Bus collision avoidance system for distributed network data processing communications systems
GB2131654B (en) Bus dual communication system
AU1243688A (en) Message service system network
NO830791A (en) System for communication paa stoeybelagte lines
EP1271862A3 (en) Information distributing apparatus
JPS59132263A (en) Network for multiprocessor system
PT78106B (en) Process for preparing (2-oxo-1,2,3,5-tetra-hydroymidazo<2,1-b> quinazolinyl)oxyalkylamides
MX151772A (en) Improvements transmitter charging cable carrier and method for its manufacture
CA2011503A1 (en) Multiprocessor system
EP0321203A3 (en) Broadcast transmission system over a bus communication network
FR2523933B1 (en) Conveyor system for sorting small items
GB8300290D0 (en) Shared facility allocation system
AU1002988A (en) Process for producing ethylene dichloride
IL69159A (en) Process,apparatus and system for connecting two tubes
AU546272B2 (en) Geographically distributed multiprocessor time-shared communcation processing system
IT8324365D0 (en) Complex coupling for modular tooling systems.
HU204095B (en) Process for producing yeast vectors