JPS6429035A - Two-wire data transmission system - Google Patents

Two-wire data transmission system

Info

Publication number
JPS6429035A
JPS6429035A JP62183621A JP18362187A JPS6429035A JP S6429035 A JPS6429035 A JP S6429035A JP 62183621 A JP62183621 A JP 62183621A JP 18362187 A JP18362187 A JP 18362187A JP S6429035 A JPS6429035 A JP S6429035A
Authority
JP
Japan
Prior art keywords
signal
transmission line
signal transmission
slave station
sampling pulse
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.)
Granted
Application number
JP62183621A
Other languages
Japanese (ja)
Other versions
JPH077931B2 (en
Inventor
Hiroshi Yamazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Azbil Corp
Original Assignee
Azbil Corp
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 Azbil Corp filed Critical Azbil Corp
Priority to JP62183621A priority Critical patent/JPH077931B2/en
Publication of JPS6429035A publication Critical patent/JPS6429035A/en
Publication of JPH077931B2 publication Critical patent/JPH077931B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

PURPOSE:To multiplex-transmit data information, clock information and a synchronizing signal in a pair of a two-wire transmission line by assigning a zero current, never contained in data, as the synchronizing signal. CONSTITUTION:The two-wire signal transmission line 13 is made to be a base level by the synchronizing pulse S0 of a master station 4 side, at the time of its synchronous slot, and a signal is transmitted to the two-wire signal transmission line 13 by a sampling pulse S1 in only the interval of its slot section. Besides, the signal, to be inputted to a multiple signal reception circuit 8 at that time, is sampled by the sampling pulse S2. At a slave station 3 side, the base level of the signal transmission line 13 is detected, and the sampling pulses S1', S2' of the slave station 3 side are generated. The multiple signal reception circuit 10 of the slave station 3 side sample-holds the signal on the signal transmission line 13 by the sampling pulse S1', and the multiple signal transmission circuit 11 of the slave station 3 side transmits the signal of a transmitter 2 to the signal transmission line 13 by the sampling pulse S2'.
JP62183621A 1987-07-24 1987-07-24 2-wire data transmission system Expired - Lifetime JPH077931B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62183621A JPH077931B2 (en) 1987-07-24 1987-07-24 2-wire data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62183621A JPH077931B2 (en) 1987-07-24 1987-07-24 2-wire data transmission system

Publications (2)

Publication Number Publication Date
JPS6429035A true JPS6429035A (en) 1989-01-31
JPH077931B2 JPH077931B2 (en) 1995-01-30

Family

ID=16138978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62183621A Expired - Lifetime JPH077931B2 (en) 1987-07-24 1987-07-24 2-wire data transmission system

Country Status (1)

Country Link
JP (1) JPH077931B2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535546A (en) * 1978-09-04 1980-03-12 Nec Corp Time division multiplex transfer system
JPS55138938A (en) * 1979-04-18 1980-10-30 Toshiba Corp Data collection device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535546A (en) * 1978-09-04 1980-03-12 Nec Corp Time division multiplex transfer system
JPS55138938A (en) * 1979-04-18 1980-10-30 Toshiba Corp Data collection device

Also Published As

Publication number Publication date
JPH077931B2 (en) 1995-01-30

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