Network system

Details Network system Network system

2006-07-18

2006-07-18

Perveen, Rehana (Department: 2112)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

C709S208000

Reexamination Certificate

active

07080175

ABSTRACT:
A network system is formed with a parent station and programmable controllers and a programmable display devices serving as child stations connected to a single general-purpose serial communication circuit. Whichever child station received the token from the parent station outputs a command. Data are exchanged between the programmable display device and any of the programmable controllers by command-response communication. Data are exchanged among the programmable controllers by data link operations.

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