描述
我們?cè)陔娮蛹夹g(shù)的學(xué)習(xí)和實(shí)驗(yàn)中常常使用到萬(wàn)用表、信號(hào)發(fā)生器、示波器等設(shè)備。萬(wàn)用表可以對(duì)電子元器件進(jìn)行檢測(cè),也可以測(cè)量電路的電壓、電流等參數(shù)。示波器可在電路實(shí)驗(yàn)或電器維修時(shí),觀察電路節(jié)點(diǎn)的信號(hào)波形,以判斷前、后級(jí)電路是否正常工作。
在學(xué)習(xí)模擬電子技術(shù)時(shí),信號(hào)發(fā)生器和示波器還可以幫助我們感性地認(rèn)識(shí)放大器、濾波器、振蕩器等電路的特性。不過(guò)這兩臺(tái)設(shè)備價(jià)格比較貴,在初學(xué)階段或許不一定非要配置。本文將介紹一種利用幾個(gè)簡(jiǎn)單的元器件加一臺(tái)普通計(jì)算機(jī)構(gòu)成的PC信號(hào)源和PC示波器,成本不到10元,雖然測(cè)量的精度有限,但是對(duì)于初學(xué)階段觀察使用已經(jīng)足夠了。
外觀及使用
如圖1、圖2所示分別為PC信號(hào)源和PC示波器的外觀。PC信號(hào)源很簡(jiǎn)單,它由立體聲插頭、導(dǎo)線、魚夾組成。立體聲插頭插到計(jì)算機(jī)的耳機(jī)插座,在計(jì)算機(jī)上運(yùn)行一個(gè)PC信號(hào)源軟件,就可以在魚夾上輸出頻率、幅度可調(diào)的正弦波、方波等函數(shù)信號(hào)。
圖2是PC示波器,它的魚夾連接到被測(cè)電路的某一節(jié)點(diǎn)上,該節(jié)點(diǎn)的信號(hào)經(jīng)過(guò)保護(hù)電路后,由立體聲插頭送入計(jì)算機(jī)的麥克風(fēng)插座,在計(jì)算機(jī)上運(yùn)行一個(gè)PC示波器軟件,就可以顯示信號(hào)的波形了。
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(福克斯波羅):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場(chǎng)輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
PART DESCRIPTION QTY
1 CP6121 42B1427X052 20 Series(SR90)Power Converter 4
2 CP6701X1-EA1 41B5849X012 PWR Connection Card Rev.B 6
3 CP6701X1-DA2 32B9835X012 I/O File Assembly 5
4 CP6701X1-FA6 32B7743X062 PWR Converter Card 13
5 CL6824X1-A1 12P0050V032 ANAL,I/P ONLY P1.0.1 Rev.E 10
6 CL6721X1-A3 41B5215X122 DISC.I/O Card P1.4 Rev.N 53
7 CL7661X1-A9 44B2955X032 20 Series MPU P4.2 3
8 CL7701X1-A1 32B7734X022 RCIAII PWB Assy Rev.H 4
9 CL7675X1-BA5 44B2940X012 Serial I/O Driver Ver.F 4
10 22B142BX042 PROVOX IFC 320 Module 4
11 22B1428X132F PROVOX Operator Workplace 2
WS30 500 CONT 2 USER
12 22B1428X052 PROVOX IFC 500 Module 2
13 22B1428X132F PROVOX Operator Workplace 2
WS30 2K CONT 4 USER
14 22B1428X142 PROVOX Operator Workplace 2
WS30 2K CONT 4 USER BACK
15 DH6041X1-A1 13B5919X012 Process NET HUB 2
16 DC9430X1-HA2 14B2714X012 X-TERM 110/230VAC 0
17 DC9450X1-AA3 14B2928X012 WS30 120/240VAC 3
18 DH6032X1-A1,B1,C2 44B2975X032 Highway Data Link 0
19 DH6032X1-LA3 14B2973X062 HDL Software P1.1 2
20 DC9430X1-CA1 44B2733X012 Alarm InterFace Unit 2
21 COMMONX1-AA3 39A8571X052-33 005 Serial I/FACE P3.0 2
22 DH7201X1-A1 39A2990X132 COMMON RAM Card Rev.N 1
23 CRIMISCX1-A1 30B7248X022 MPU/ROM ASSY Rev.C 2
24 DH7721X1-A1 32B2291X042 CIAII Rev.G 2
25 DH7001X1-A4 33B5232X042 CIA P8.3 Rec.D 1
26 DH7010X1-A1 39A7265X022 Power Assembly+5V 2
27 CL6753X1-A5 120VAC/DC Input 394
28 CL6755X1-A1 5 Amp Relay 129
29 CL6857X1-A23 RTD Input 100 Ohm Pt.26
30 CL6898X1-A1 12P0123X032 RED Analog IN TERM 3
31 CL6776X1-A1 12P0121X012 RED RELAY OUT TERM 24
32 CL6741X1-A2 41B7293X022 CSA D I/O CA INTFC 6
33 CL6841X1-A1 41B9144X032 CSA AIN CA INTFC 2
34 CL6788X1-A1 12P0120X012 RED I/O MODL TERM 24
35 CL6872X1-A2 41B7288X032 RED ANLG OUT CSA 3
36 CL6861X1-A2 41B7284X022 CSA SGL,END ANAG 5
37 CL6862X1-A2 41B9148X032 CSA RED SGL END 3
39 CP6103X1-CA1 POWER SUPPLY 2
40 CP6103X1-AA1 PWR Supply Housing 2
41 DC9430X1-HB1 14B2657X012 Keyboard,NA101 2
——————————————————————————–
PART#DESCRIPTION QTY
1 100179 MODULE,FISHER CONT 100179 FLYBACK MULTIPLEXER ASSY INTECOLOR 100179 1
2 17A6821X012 CIRCUIT BOARD,FISHER 17A6821X012 INTERFACE PSI HP 6
3 18A0046X012 MODULE,FISHER 18A0046X012 6703 MEMORY EXPANSION 1
4 49A2724X022 CIRCUIT BOARD,FISHER 49A2724X022 PROVOX KEY CONTROL 1
5 CL7001A1 CIRCUIT BOARD,FISHER CL7001A1 CONFIGURABLE CONTROLLER W/O DISCRETE I/O 23
6 CL7016SPR-INTC2 CIRCUIT BOARD,FISHER CL7016SPR-INTC2 INTERCONNECT ASSY 1
7 DC6531EA1R CIRCUIT BOARD,FISHER CONT DC6531EA1R PR PRINTER LOGIC B7 2
8 DC6531FA1 CIRCUIT BOARD,FISHER CONT DC6531FA1 PRINTER SERIAL INTEFACE 2
9 DC6531HA1 CIRCUIT BOARD,FISHER CONT DC6531HA1 PRINTER POWER SUPPLY 3
10 DC6531JA1 CIRCUIT BOARD,FISHER CONT DC6531JA1 PRINTER RIBBON CONTROL 3
11 FSDC6301FA1 CIRCUIT BOARD,FISHER CONT FSDC6301FA1 VDU REFRESHER MEMORY 2
12 FSDC6501FA2 CIRCUIT BOARD,FISHER CONT FSDC6501FA2 VDV DISPLAY GENERATOR 3
13 FSDH6551KB1 CIRCUIT BOARD,FISHER CONT FSDH6551KB1 MPU/ROM PWB 1
14 FSDM6321B2 CIRCUIT BOARD,FISHER CONT FSDM6321B2 TERMINATION ANALOG CURRENT INPUT STYLE C 14
15 FSDM6331 CIRCUIT BOARD,FISHER CONT FSDM6331TERMINATION STANDARD STYLE A 32
16 FSDM6363 CIRCUIT BOARD,FISHER CONT FSDM6363 TERMINATION DISCRETE INPUT STYLE E 120V 9
17 FSDM6371A2 CIRCUIT BOARD,FISHER CONT FSDM6371A2 PULSE COUNT INPUT 3
18 17A5632X012 CARD,GENERATOR,TIME BASE,HP,FISHER PART 17A5632X012.FOR FISHER PROVOX 1
19 30B7248X022 MPU ROM 3
20 30B8625X01R V10 RAM INTERFACE PWB 1
21 31B0955X08R MPU ROM 1
22 31B6459X012 COMPUTING CONTROLLER 1
23 36A3885X022 MODULE,TERMIN FISHER CONT 36A3885X022 ANALOG CURRENT INPUT SGL ENDED 4-20 MA 3
24 37A8986X01R ISO RS232 I/O 1
25 39A5379X042 FISHER PROVOX CARD,REDUNDANT MANUAL CARD,FISHER P/N 39A5379X042 2
26 39A8571X032 SIU COMMON 1
27 46A281X01R PWR CONVERSION ASSY 1
28 46A4233X01R POWER SUPPLY 1
29 BA 350-SA DEC DISK SYSTEM 1
30 CD6201 FISHER LOOP CONTROLLER 29
31 CL6003X1-A3 IAC MEMORY MODULE 2
32 CL6601X1-HA5 I/O DRIVER 14
33 CL6611X1-FC10 MPU 12
34 CL6611X1-FC8 MPU 2
35 CL7001 CONFIG CONTROLLER 11
36 CL7001-A5 CONFIG CONTROLLER 1
37 CL7001X1-A1 CONFIG CONTROLLER 1
38 CL7001X1-A10 CONFIG CONTROLLER 1