JPS5713369A - Input circuit - Google Patents

Input circuit

Info

Publication number
JPS5713369A
JPS5713369A JP8750380A JP8750380A JPS5713369A JP S5713369 A JPS5713369 A JP S5713369A JP 8750380 A JP8750380 A JP 8750380A JP 8750380 A JP8750380 A JP 8750380A JP S5713369 A JPS5713369 A JP S5713369A
Authority
JP
Japan
Prior art keywords
resistance
input
input signal
voltage
unit
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
JP8750380A
Other languages
Japanese (ja)
Inventor
Toshiharu Tanaka
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.)
Chino Works Ltd
Original Assignee
Chino Works 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 Chino Works Ltd filed Critical Chino Works Ltd
Priority to JP8750380A priority Critical patent/JPS5713369A/en
Publication of JPS5713369A publication Critical patent/JPS5713369A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/08—Circuits for altering the measuring range

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

PURPOSE:To enable the common use of other circuits and to enable the sharp reduction in the number of processes required for manufacturing, by a method wherein a resistance in an input circuit is formed into a unit system according to a manufacturing input signal or a scale specification, and is formed into an interexchangeable type. CONSTITUTION:An input signal ei1 is amplified by means of a feedback resistance R1 of an amplifier A1 to produce a given voltage corresponding to an input span voltage, and is sent to an operational amplifier A2 via a resistance R7. Only in case the input signal is a thermocouple input, a temperature composition voltage ec is applied to the operational amplifier A2 via a resistance R2, and a shift voltage +er or -er is further applied via resistances R3 and R4. The feedback resistance R1 and input resistances R2 and R3, and R4 are constituted as a resistance array housed in a dual line package to be formed into a unit, and is designated to be mounted detachably at a socket or the like on a printed substrate. In case there is an alteration in a scale specification, the exchange of only the required unit is sufficient enough, thereby realizing a low cost and simplicity of the system as well as the easy maintenance thereof.
JP8750380A 1980-06-27 1980-06-27 Input circuit Pending JPS5713369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8750380A JPS5713369A (en) 1980-06-27 1980-06-27 Input circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8750380A JPS5713369A (en) 1980-06-27 1980-06-27 Input circuit

Publications (1)

Publication Number Publication Date
JPS5713369A true JPS5713369A (en) 1982-01-23

Family

ID=13916778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8750380A Pending JPS5713369A (en) 1980-06-27 1980-06-27 Input circuit

Country Status (1)

Country Link
JP (1) JPS5713369A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001066193A (en) * 1999-07-22 2001-03-16 Webasto Thermosyst Internatl Gmbh Evaluation circuit of thermocouple measurement signal

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335077B1 (en) * 1971-05-07 1978-09-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335077B1 (en) * 1971-05-07 1978-09-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001066193A (en) * 1999-07-22 2001-03-16 Webasto Thermosyst Internatl Gmbh Evaluation circuit of thermocouple measurement signal

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