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温控仪工作后会根据检测到的温度自动输出一个4—20mA的电流来控制两个伺服执行器，两个执行器是同时动作的，一个控制燃气和空气的流量，一个控制废气排放的量。温度的设定是在人机界面上设定经主PLC传给温控仪的，设定值可分段控制和在线修改。这套点火系统核心就在点火控制板，但控制板的主要电路都被封闭在一个小控制盒中，造成在故障时无法进行检修，因为其为原装进口，备件采购极为困难并且周期长，因此我们决定对其进行改造。
　　3 设备改造方案
　　点火系统除了控制板和与之配套的紫外光传感器必须更换外，温控器、阀、点火变压器和执行器等都未损坏可以继续使用。我们在市场调研后采用三菱FX1S可编程控制器作为改造系统的控制器，紫外光传感器我们采用了成都旭光电子设备厂生产的MGZ系列的传感器，采用FX1S主要是其性能可靠价格便宜，传感器采用国产的主要是基于备件采购方便并且性能良好。改造后的原理图和原来相比没有多大改变，只是把点火控制板换成FX1S，在光敏传感器和FX1S之间加了一个放大器用来提供点火成功信号，改造后的控制流程图没有改变。主要变化的是重新编制了PLC程序，程序如下：

ALLEN BRADLEY 150-A135NBDD-8B4 NSFP 150A135NBDD8B4

BOSCH 1070071339 NSFP 1070071339

BAILEY CONTROLS IIMSM-01 NSFP IIMSM01

MODICON AS-P453-652 USPP ASP453652

JOSLYN CLARK 5DP4-21100 NSPP 5DP421100

CONTROL SYSTEMS 7718-C USPP 7718C

Siemens 6ES5 095-8MA03 6ES50958MA03

Siemens 6ES5-458-4UA12 USPP 6ES54584UA12

SIEMENS 6ES5 777-0BB00 6ES57770BB00

SIEMENS S5 6ES5 465-7LA13 6ES5465-7LA13

Siemens S5-95U CPU 6ES5 095-8MB04 6ES5095-8MB04

SIEMENS 6ES7223-1HF00-0XA0

SIEMENS SIMATIC OP3 6AV3 503-1DB10 Operator Panel

Siemens 6AV7722-1AB10-0AD0 (PC 670)

HP AGILENT 35651C INTERFACE/SIGNAL PROCESSOR MODULE

WS-X6704-10GE Cisco 6500 10 Gigabit EN Interface Module 4 ports

Siemens 6ES5 521-8MA22 6ES5521-8MA22

Siemens LOGO! power 6EP1 331-1SH01 6EP1331-1SH01

Omron C200H-OD211

Schneider Modicon AS-C484-266 ASDC484266 Programmable Controller

Schneider Modicon ANALOG INPUT AS-B875-111 OUT OF BOX

Schneider Modicon AS-J471-600 USPP ASJ471600

Schneider Modicon 24 VDC INPUT AS-B827-032

Schneider Modicon AS-W512-003

Schneider Modicon ZAE-201/AS-BZAE-201 High Speed Counter 1X50/500KHZ ASBZAE201

SM321 16DI 24VDC INPUT MODULE 6ES7-321-1BH02-0AA0

Schneider TELEMECANIQUE XBT-GT-2110 XBTGT2110 with cable

Siemens TI 500-5016 Analog Output Module

Siemens 6AV3 525-1EA01-0AX0 6AV35251EA010AX0 Panel

SIEMENS Sinumerik 6FX1130-6BA00 Module 130. E Stand A.

ECDL Syllabus 5.0 Module 7b Communication Using Ou.....

SIEMENS Simodrive LT-Modul INT. 15A 6SN1123-1AA00-0AA1

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5357 BBE

Adlink CPCI-R6780

ALLEN-BRADLEY 800MB-CPB16RAS PUSH BUTTON

ABB 1MRS090416-AAA REA 101 ARC PROTECTION RELAY SYSTEM MAIN MODULE 57976

ACCU SORT 22E8SL NSFP 22E8SL

A06B-6066-H003 FANUC SERVO AMPLIFIER REMANUFACTURED

800' Hollins 3/0 3/0 1/0 Triplex Aluminum URD RHH RHW 600 volt

SIEMENS 3SF7834-6PB00 NSFP 3SF78346PB00

ALLEN BRADLEY 8520-3S10A-BAT-EX4-T1-Y-4-5-7 USPP 85203S10ABATEX4T

ALLEN BRADLEY 6008-LTV USPP 6008LTV

JOHNSON CONTROLS MS-NAE4510-2 USPP MSNAE45102

GENERAL ELECTRIC DS3800NFCD1S1J USPP DS3800NFCD1S1J

YASKAWA ELECTRIC CACR-SR-44SZ1SDY38 NSFP CACRsR44SZ1SDY38

MITSUBISHI MR-J2-100C USPP MRJ2100C

Siemens 6ES5-308-3UC21 USPP 6ES53083UC21

SIEMENS 6ES5 430-7LA12 DIGITAL INPUT MODULE

SIEMENS S5 6ES5 456-4UA12 Digital Output Module

Siemens Digital Output Module 6ES5 454-7LA12 22516

SIEMENS 6ES7 222-1BF00-0XA0 6ES7222-1BF00-0XA0 FreeShip

SIEMENS OP270-6 6AV6542-0CA10-0AX1 Display Panel in Box

Redback AIM-1K-2OC3SM VAC1DEOAAA SMS 1800 2 Port OC3 SM 90 Free Ship

Texas Instruments 6MT11-A05L

TEXAS INS 6MT32 16CH OUTPUT LOGIC INTERFACE MODULE

TSXCTZ1A Modicon Micro 1 Channel Counter Module TSX-CTZ-1A

Siemens EM 222 6ES7 222-1BF20-0XA0 EM222 PLC

Modicon NM-0278-000

Schneider Modicon AS-P120-000 ASP120000 Power Converter

Schneider Modicon AS-BDAP-208 Sealed Discreet Relay ASBDAP208

Schneider Modicon AS-C384-204 USPP ASC384204

Schneider Modicon ASHDTA201 Compact Subrack AS-HDTA-201

ider Modicon RELAY OUTPUT MODULE AS-B814-108

Schneider Modicon Input Module AS-B827-032

Schneider Telemecanique TSX08CD12M8DS NIB

SCHNEIDER AEG DAP218 AS-BDAP-218 TSX INPUT MODULE 65

PVDM3-64 CISCO 64 -Channel Voice and Video DSP Module

Siemens 6ES5-441-4UA14 Output Module

SIEMENS 6DD1662-0AC0 USPP 6DD16620AC0

Jerrold Communications Modulator Model S450M

SIEMENS Simodrive 6SN1145 1BA02 0CA0

SIEMENS Sinumerik 840C Interface 6FC5103-0AD13-0AA0 GWE 570080924900 Ver C

SIEMENS MOORE PRODUCTS 16305-41-3 I/O EXPANDER BRDNIB

Allen-Bradley RediPanel Push Button Module2705-P21J1

52006 YOKOGAWA color luminometers

ABB SAFT 125 CHC 57411546, , 57411546,

A06B-0148-B184 FANUC SERVO MOTORS REMANUFACTURED

700 HP 1800 RPM MARATHON TEFC 400TZ ELECTRIC MOTOR-

PERCEPTRON 912-0007 USPP 9120007

ALLEN BRADLEY 1775-MSA USPP 1775MSA

ALLEN BRADLEY 1336S-BRF100-AA-EN4-HAP-L5 USPP 1336SBRF100AAEN7

GENERAL ELECTRIC DS3800HPBD USPP DS3800HPBD

TEMPTRONIC TP37B4 USPP TP37B4

STACO SVR-21WBSN005 USPP SVR21WBSN005

DELTA CS64A-00 USPP CS64A00

Siemens 6ES5 955-3LC14 6ES59553LC14

SIEMENS 6ES5 100-8MA02 6ES51008MA02

SIEMENS 6ES5-777-0BB00/6ES5777-0BB00 BUS TERMINAL XLNT

Siemens 6ES5 535-3MA12/6ES55353MA12 Processor with memory OFFERS ACCEPTED

Siemens 6AV8100-0BC00-1AA1 Membrane Keypad FreeShip

Siemens LOGO! 12/24RC 6ED1052-1MD00-0BA2

roland prelude 61 key keyboard in VG CONDITION

Telemecanique TSXDET3242

SIEMENS SIMATIC S5 INTERFACE MODULE 6ES5 316-8MA12

Wago 750-461/003-000 2-CHANNEL ANALOG INPUT MODULE

Siemens 7MF4033-1DA00-1AA6-Z Pressure Transmitter

Modicon AS-S491-000

Schneider Modicon DEP216/AS-BDEP-216 Discrete Input WOW

Schneider Modicon AEG/GOULD// DEP-218/AS-BDEP-218 16POINT INPUT MODULE NNB

Schneider Modicon AS-B875-102 INPUT MODULE ANALOG HI SPEED 8POINT 800 SERIES ASB875102

Schneider Modicon AS-521P-011

Schneider Modicon Input Module AS-B837-016

Schneider Modicon AS-M680-008 Memory Module 8K -

Schneider Automation Inc AS-BDAP-216N ASBDAP216N Output Module

SIEMENS 505-4232A INPUT MODULE

RELIANCE ELECTRIC 65C-500 USPP 65C500

Siemens 6FX1130-6BA00 Output Module

SIEMENS Sinumerik Operator Control Panel #6FC3808-3EF21

Power Ware AS400 AS/400 Communications Module XLNT

SIEMENS PW-MODUL 1P 6SN1113-1AB01-0BA1

SIEMENS TERMINAL STRIP CONNECTOR BOARD 6FC9302-2AA 6FC93022AA USMT MILL CNC

SIEMENS 6FC3-061-1EA-Z USPP 6FC30611EAZ

AllenBradley1794-OA16/AFlexI/O120VACOutputModuleB01

ALLEN BRADLEY SWING ARM CATALOG NO. 1771-WA / QTY 10

ABB KP-40 KP40 4000 Amp 4000A Air Breaker MPS-C 2000

Ziatech ZT210 15 S Card Cage w ZT 8907 486 Single Board Computer Card

(U1) 1 UNIMATION INC D918W3 REV K PC BOARD. U1.

MIYACHI MM-730A USPP MM730A

ALLEN BRADLEY 1387-AOB145-A73 USPP 1387AOB145A73

GENERAL ELECTRIC DS3800HMPA1A1 USPP DS3800HMPA1A1

FORNEY UAC100 USPP UAC100

SIEMENS 6ES7-413-1XG02-0AB0 NSFP 6ES74131XG020AB0

RONAN ENGINEERING CO 6.8LC-2000 USPP 68LC2000

VIDEO JET 390646 USPP 390646

Siemens 6ES5 530-3LA12 6ES55303LA12

Siemens CONTROLLER CARD 6GK1143-0TA01

SIEMENS 6ES5-454-4UA12 NSFP 6ES54544UA12

Siemens 6ES5 376-1AA11 /6ES5-376-1AA11 Memory

Siemens S5 Interface Module 6ES5-315-8MA11

Siemens Connector 6ES7392-1AJ00-0AA0 NIB Sealed FreShip

SIEMENS 6DD1640-0AC0 EM11 I/O MODULE PG16

Square D 8030 HIM-131

SEALED SQUARE D S/MAX I/O INTERFACE MODULE 8030-CRM222

WESTINGHOUSE 1505D39G01W0 USPP 1505D39G01W0

Siemens 6FC5370-0AA00-0AA0 SINUMERIK 802D /PCU 210.3

Siemens TP170B 6AV6545-0BB15-2AX0 6AV6 5450BB152AX0 NIB

Siemens 305-25N

Schneider Modicon AS-BVIC-205 4 Channel Counter In ASBVIC205

Schneider Modicon AS-B579-001 USPP ASB579001

Schneider Modicon DIVISION AS-M485-004 MEMORY BOARD 4K W/BATTERIES FOR C484 ASM485004

Schneider Modicon AS-HDTA-202 USPP ASHDTA202

Schneider Modicon AS-B872-002 Output Module B16

MODICON - EATON - IDT - PANELMATE - BOARD P/N 42-14360

Siemens 6ES7-321-1BH02-0AA0 Input Module

SCHNEIDER DISCRETE I/O MODULE TSXEMF16DT2

Siemens HMI Operator Panel 6AV6 641-0CA01-0AX1 "FS"

SIEMENS Sinumerik 6FX1122-1AC02. Coupling PLC/NC .

Siemens Communication Module 6ES5535-3LB12

SIEMENS 6SN1123-1AB00-0AA1 SIMODRIVE LT-MODUL INT. 2X15A WORKING VERY CLEAN

SIEMENS 6SN1123-1AA00-0CA1 Simodrive LT-Module INT.50A Version A

SIEMENS 6FC5203-0AF03-0AA0 OP015 Membrane Keypad 6FC5 203-0AF03-0AA0 0P015

Allen-BradleyPro-Set700ReplacementTouchscreenTouchpanelInterface

Allen-Bradley - 1794-TBNF

ABB CONTROLLER,RF533 SUBRACK,BB510,SC520,CS513,SC510,CI545V01,TC520,SB510,SR511,

ADEPT TECHNOLOGIES ROBOT CONTROL PANEL 15 AMPS 50/60HZ 120/240VOLTS

(5244) Honeywell RTD Logic Board 51301259-100 (5244)

INDRAMAT MDD065A-N-040-N2M-095PBO NSPP MDD065AN040N2M09

TYCOR PTY-H-277/480-PD-4XTS NSPP PTYH277480PD4XTS

FANUC A06B-6050-H103 NSFP A06B6050H103

DOLAN JENNER SS950-48020 USPP SS95048000

RELIANCE ELECTRIC 57552-4A USPP 575524A

NAMCO ER920-17812 NSFP ER92017812

MITSUBISHI AD51-E USPP AD51E

Siemens 6ES5 396-0UA11 6ES53960UA11

Siemens 6ES5-782-2MB11 NSFP 6ES57822MB11

SIEMENS 6ES5-377-0AA31 USPP 6ES53770AA31

Siemens 6ES5 421-8MA12 DIGITAL INPUT MODULES LOT OF 2

Siemens S5 115U CPU 944B 6ES5 944-7UB11

Siemens 6SE7024-7ED84-1AHF3

Siemens USB/PPI Multi-Master Cable 6ES7 901-3DB30-0XA0 in Box

Siemens 6SE7021-0TA10

Mitel 5422 / 50002825 Dark Grey PKM Interface Module m

WS-X6816-GBIC CISCO CAT 6500 16-PORT GIGE MODULE

Siemens 6ES7 331-7FK01-0AB0 6ES7331-7FK01-0AB0

Siemens PLC 6ES7305-1BA80-0AA0 6ES7 305-1BA80-0AA0

Reliance 0-52876

Schneider Modicon AS-853-5000 PLC

Schneider Modicon AS-B231-500 USPP ASB231500

Schneider Modicon AS-P840-000 USPP ASP840000

Schneider Modicon AS-B807-132

Schneider Modicon AS-B355

Modicon PanelMate Plus 92-01125-01 Interface No Monitor

SIEMENS SIMATIC DIGITAL INPUT MODULE 6ES5 431-8MD11

Siemens 6ES7 321-1BL00-0AA0 -- 6ES73211BL000AA0

SIEMENS SIMATIC 6AG70111BA000AD0 PANEL PC TOUCH PANEL NIBBD

SIEMENS 6DD1-642-0BC0 NSPP 6DD16420BC0

SIEMENS 6DD1600-0AF0Processor 16M PM16

SIEMENS 1P-6SN1123-1AA00-0DA0 Drives

SIEMENS SIMODRIVE 6SC6110-0GB00

SIEMENS 840D NCU BOX 6FC5247-0AA00-0AA3 --

Advantech ADAM-5060

Allen-Bradley 1771-OYL Reed Relay Contact Output Module - ATS 365 Warranty

ABB ACS500 30HP AC Drive ACS501-030-4-00P2 Ser B

ACTUS POWER NPSA-103MU-EIBS/1680336B USPP NPSA103MUEIBS168

6ES7414-4HJ04-0AB0 Brand , Factory Sealed,

90 DAYS PARTS AND LABOR , SEE VIDEO 400HRS

SPRECHER & SCHUH PNS-0180-480V USPP PNS0180480V

CABLETRON ESX-1320-F600 NSFP ESX1320F600

BALDOR SD23H4A15-ER USPP SD23H4A15ER

MODICON MM-PMC1-110 NSFP MMPMC1110

KOLLMORGEN IND ME9-203-B-AQ9-254 NSFP ME9203BAQ9254

CUTLER HAMMER 92-01858-01 USPP 920185801

Siemens 6ES5 095-8MB04 6ES50958MB04

Siemens 6ES5-460-7LA13 USPP 6ES54607LA13

SIEMENS 6ES5 930-8MD11 6ES59308MD11

SIEMENS S5 6ES5 521-8MA22 CP521 SI SERIAL

Siemens SimaticS5 6ES5-928-3UA12 CPU Board

Siemens 6ES7307-1KA01-0AA0 6ES7 307-1KA01-0AA0 in Box FreeShip

Siemens SIMEAS P 6GK7000-8AA

Siemens 6ES5188-3UA12

HP ProCurve Switch 1-Port 10 GBE LR Interface Expansion Module J8733A

XpressKIT Interface and Bypass Modules from Directed Electronics 1101T

SIEMENS 6ES5 947-3UA22 6ES5947-3UA22

Siemens Micromaster 430 BOP 6SE6400-0BE00-0AA0 FreeShip

Omron C500-OC221

Schneider Modicon AS-BDEP-217 PLC

Schneider Modicon AS-212P-020 NSFP AS212P020

Schneider Modicon AS-J812-000 ASJ812000 Remote I/O Adapter

Schneider Modicon AS-4750-000 NSFP AS4750000

Schneider Modicon DAU202/AS-BDAU-202

Schneider Modicon /AS-P190-212 PLC Programmer NR/AIPO

Sixnet ST-AI-INS-08 SixTRAK IPm Controller Instrumentation Analog Input Module

Schneider TSX Premium TSXETY410 Interface Module ETY410

Siemens TERMINAL BLOCK TB16SC 6ES7120-0AH01-0AA0