JPH0457131B2 - - Google Patents
Info
- Publication number
- JPH0457131B2 JPH0457131B2 JP987883A JP987883A JPH0457131B2 JP H0457131 B2 JPH0457131 B2 JP H0457131B2 JP 987883 A JP987883 A JP 987883A JP 987883 A JP987883 A JP 987883A JP H0457131 B2 JPH0457131 B2 JP H0457131B2
- Authority
- JP
- Japan
- Prior art keywords
- analog
- signal
- output
- control device
- process control
- 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.)
- Expired
Links
- 238000004886 process control Methods 0.000 claims description 82
- 238000006243 chemical reaction Methods 0.000 claims description 41
- 238000002955 isolation Methods 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008054 signal transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Feedback Control In General (AREA)
- Analogue/Digital Conversion (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP987883A JPS59135923A (ja) | 1983-01-26 | 1983-01-26 | プロセス制御装置のインタフエ−ス |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP987883A JPS59135923A (ja) | 1983-01-26 | 1983-01-26 | プロセス制御装置のインタフエ−ス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59135923A JPS59135923A (ja) | 1984-08-04 |
| JPH0457131B2 true JPH0457131B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-09-10 |
Family
ID=11732408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP987883A Granted JPS59135923A (ja) | 1983-01-26 | 1983-01-26 | プロセス制御装置のインタフエ−ス |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59135923A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4805746B2 (ja) * | 2006-07-27 | 2011-11-02 | 株式会社山武 | Δς型ａ／ｄ変換器 |
| JP2011004260A (ja) * | 2009-06-19 | 2011-01-06 | Murayama Denki Seisakusho:Kk | Ａ／ｄ変換ユニット、計測用機器 |
-
1983
- 1983-01-26 JP JP987883A patent/JPS59135923A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59135923A (ja) | 1984-08-04 |
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