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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：

Siemens SITOP 6EP1961-3BA20

Reliance 0-58719-B

Schneider Modicon AS-BDAP-210 ASBDAP210 AEG-8 POINT OUTPUT

Schneider Modicon AS8534000Connector AS-8534-000

Schneider Modicon AS-BDAP-258 USPP ASBDAP258

Schneider Modicon MODICON/ AS-B827-032 INPUT MODULE XLNT

Schneider Modicon AS-P840-000 Power Supply ASP840000

Schneider Modicon AS-BDEP-210 DISCRETE INPUT MODULE NIB

Schneider Telemecanique XBTGT2330 Opt Interface Panel

Siemens 6ES7 141-1BF31-0XA0 Digital Input Module

S3420GP Server Board

Siemens Digital Output Module 6ES7 322-1BH01-0AA0

SIEMENS SINUMERIK 810D CCU-BOX 6FC5447-0AA01-0AA0

Scientific Atlanta Intelligent Communications Interface Module P/N 4002258

SIEMENS 6SN1-161-1AA01-0BA0 FNFP 6SN11611AA010BA0

SIEMENS 6SC6112-2VA01 6SC61122VA01 SIMODRIVE

SIEMENS 6FC5-112-0CA03-0AA0 USPP 6FC51120CA030AA0

ALLENBRADLEYAB1746-IV16SLC500OUTPUTMODULESeriesC

ALLEN BRADLEY W70 NSPP W70

ABB DSQC 361 (3HAC 0373-1) Main Computer PCB - Brand

ADS36400HB GENERAL ELECTRIC SPECTRA FUSIBLE DISCONNECT UNIT 400A-600V 3P (f) GE

(D0) 1 BALDOR 712-510-170-S001 SWEODRIVE A/C VECTOR DRIVE D0

ISSC 6271002RC NSFP 6271002RC

FINCOR 3263M USPP 3263M

EXLAR GS30-0302-OFX-PC2-M6 NSPP GS300302OFXPC2M6

REXROTH 1070070309 USPP 1070070309

PHOTOSWITCH 6156-AAZAAZAZAZ NSFP 6156AAZAAZAZAZ

RADISYS EPC-6 USPP EPC6

Siemens 6ES5 456-4UB11 6ES54564UB11

Siemens 6ES5-925-3SA11 USPP 6ES59253SA11

SIEMENS 6ES5-422-8MA11/6ES5422-8MA11 INPUT MODULE NIB

Siemens 6ES5 456-4UB12 Surplus - Opened Box

Siemens S5 6ES5 441-4UA14 6ES54414UA14

Siemens 6SN1146-1AB00-0BA0 6SN1123-1AB00-0BA0 + Display

Siemens 6ES7 322-1FH00-0AA0 -FS- 6ES73221FH000AA0

Square D 8003 CP-30

NIB MODICON 140-CRA-931-00 INTERFACE MODULE RIO DROP

WS-SUP720-3BXL Cisco Supervisor Engine 720-3BXL Control processor

Siemens 6ES7 972-0BB12-0XA0 6ES7972-0BB12-0XA0 Profibus

Siemens S7-200 Cartridge Battery 6ES7 291-8BA20-0XA0

Reliance 45c307a

Schneider Modicon Gould/ AS-B828-016 5 VTTL Output TH ASB828016

Schneider Modicon AS-B350-001 NSFP ASB350001

Schneider Modicon AS-S902-081 Memory Module

Schneider Modicon AS-B872-200_ASB872200_LR32678_Output Module (Minor Scratches)

Schneider Modicon AS-B805-016 800 I/O16 Point INPUT MODULE

Modicon DAP 220/ AS-BDAP-220 OUTPUT MODULE 24VDC 8INPUT

SIEMENS S5 6ES5 430-7LA12 DIGITAL INPUT MODULE QUANTITY

Siemens 6ES5 464-8MF11 -FS- 6ES54648MF11

Siemens S30807-S5431-A-10 Operator Panel w/ Cables for Phone System

SIEMENS 6FC5357-0BA33-0AE0

Yaskawa JAPMC-CM2300 Communication Module JAPMCCM2300

SIEMENS 6SN1118-0AA11-0AA1 6SN1 118-0AA11-0AA1 SIMODRIVE 611-A Control Unit

SIEMENS SIMODRIVE 611 6SN1124-1AA00-0AA

SIEMENS 6FC5611-0CA01-0AA0 6FC56110CA010AA0 BOARD MODULE VER A

Advantech PCA-6184 w/ Dual Ethernet ports

Allen-Bradley 1771-OA/B AC Output Module 8 Outputs - ATS 365 Warranty

ABB ANALOG I/O DSQC 355

ADEPT 841 ROBOT WORK STATION SEAGATE REC MEDIA DISK LOAD / UNLOAD

6se7023-8ed61-z

A.B STARTER CONTROL #3, FVNR, 50 H P 460/ 30 H P 230V

SYMAX 8020-SCP-423 NSFP 8020SCP423

CUTLER HAMMER HMDL3600 NSFP HMDL3600

CINCINNATI MILACRON 3-424-1973A USPP 34241973A

NEMATRON CORP IWS-4624/20 USPP IWS462420

MITSUBISHI AJ72QBR15 NSFP AJ72QBR15

GE FANUC 44A294596-G02 NSPP 44A294596G02

Siemens 6ES5 243-1AB12 6ES52431AB12

Siemens 6ES5-470-7LC12 USPP 6ES54707LC12

SIEMENS 6ES5-304-3UA11 USPP 6ES53043UA11

SIEMENS S5 Output Module 6ES5 454-7LB11 CNC

Siemens 6ES5 430-7LA12 NIB

Siemens 6ES7972-0BB52-0XA0 Profibus DP NIB

Siemens TP170B 6AV6 545-0BC15-2AX0 Touch Glass

Siemens 6ES5451-4UA13

JK AUDIO GUEST MODULE 1 REMOTE KEYPAD FOR INKEEPER TELEPHONE INTERFACE

YOSHIMURA PIM2 PERIPHERAL INTERFACE MODULE SUZUKI RMZ450 2008-2009

Siemens 6ES7 153-2BA02-0XB0 6ES71532BA020XB0 NIB

Siemens OP17 6AV3617-1JC00-0AX1 in Box

Parker ZETA6104

Schneider Modicon AS-B872-200/ASB872200 Analog Output Beautiful

Schneider Modicon AS-521P-111 NSFP AS521P111

Schneider Modicon AS-M680-008 ASM680008 Fast Shipping

Schneider Modicon AS-911T-KIT AS911TKIT

Schneider Modicon 5VTTL Output Module AS-B828-016 ASB828016

Schneider Modicon TSX Compact AS-BDAP-217 ASBDAP217

SIEMENS TI 505-4232A 110VAC INPUT MODULE

Telemecanique Altistart 48 ATS48C41Y

Siemens Simatic TI305-PROG Programmer Module TI305PROG

Siemens 4700-BDRC3-11HN Power Meter Product Revision: B Digital Readout

SIEMENS SINUMERIK 840C NC CPU 6FC5110-0BB01-0AA2 NE

Chevy-Pontiac-Saturn OnStar Communication Module ECM

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA2SINUMETIK 840D NCU-BOX 6FC52476FC5356 #BBB

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC5247-0AA00-0AA2

ADVANTECH PCA-6179 Control Card REV.B1

ALLEN-BRADLEY 2711-T6C2L1X TESTED!! PANELVIEW 600 TOUCH SCREEN

ABB 3HNE 00313-1 ROBOT TEACH PENDANT S4C BACKLIGHT

ACCURAY ABB 67452-003 MCP BOARD 067452-003 67452003 067452003

A20B-8101-0200 and original Fanuc circuit board in good in condition

813S-V0B ALLEN BRADLEY RELAYS REMANUFACTURED

SIEMENS 6ES7-416-2XK02-0AB0 USPP 6ES74162XK020AB0

ASEA BROWN BOVERI 6205BZ10100K USPP 6205BZ10100K

ALPHA GEAR DRIVES SP-180-MF1-10-141-00 USPP SP180MF11014100

METRA INSTRUMENTS 611-0012-000 NSFP 6110012000

HPM 1D703-0031 USPP 1D7030031

ALLEN BRADLEY 1771-PM USPP 1771PM

SIEMENS 6ES5-184-3UA11 USPP 6ES51843UA11

Siemens 6ES5-385-8MB11 USPP 6ES53858MB11

SIEMENS 6ES5 454-4UA12 -FS- 6ES54544UA12

SIEMENS 6ES5 453-8MA11 Digital Output

Siemens PLC 6ES5-421-8MA11/6ES54218MA11

SIEMENS 6ES7 322-1BH81-0AA0 6ES7322-1BH81-0AA0 FreeShip

Siemens PLC 6ES7 331-7KF01-0AB0 6ES7331-7KF01-0AB0

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

GSM/GPRS Modem Pool 16 Ports USB interface Wavecom Module AT Commands Q24plus

Unico 100-732.1 Interface Module BOARD 4 available FREE

Siemens 6AV6 640-0AA00-0AX0 6AV66400AA000AX0 TD400C

SIEMENS LASER SCANNER 3SF7834-6PB00 3SF78346PB00

MTT 11-SLOT-RACK

Schneider Modicon DAP 218/AS-BDAP-218 TSX PLC Output module card out dis

Schneider Modicon AS-P371-002 Memory Module

Schneider Modicon AS-E680-914 USPP ASE680914

Schneider Modicon GOULD AS-B550-001

Schneider Modicon AS-B804-016 115 VAC Output Module 16Pt WARRANTY-GUARENTEED

Schneider Modicon Output Module Reed Relay AS-B840-108

Schneider TWIDO TWDLMDA40DUK

Schneider Modicon TSXP575634M in Box

SiemensSimaticS56ES5441-7LA11DigitalOutputModule32x24VDC0.5A

SIEMENS 6AV6-643-0DD01-1AX0 10" MULTIPANEL DISPLAY

SIEMENS NCU-BOX 6FC5247-0AA00-0AA2 SINUMERIK 840D/DE

GE Fanuc PLC Communications Control Module IC693CMM311N

SIEMENS Simodrive Part# 6SN1112-1AC01-0AA1

SIEMENS SINUMERIK 6FC5203-0AF02-0AA0 Membrane Keypad

SIEMENS Moore APACS Standard Discrete Module SDM 39SDM024DCCAN 16101-121/01

Allen-Bradley PanelView 1200 Operator Interface 2711E-T12C6

5X828E Dayton Relay 120VAC NIB

ABB, ABB Robot, DSQC 545E, 3HAB8101-14, ABB Servo, ABB Robotics

A06B-0319-B372#7076 FANUC SERVO MOTORS REMANUFACTURED

75 HP 460V 3PH IN 460 3PH OUT FREQUENCY DRIVE N3 MODEL

RELIANCE ELECTRIC 615055-1T USPP 6150551T

ALLEN BRADLEY 2711E-T10C7 USPP 2711ET10C7

ALLEN BRADLEY 1771-DR NSFP 1771DR

HEWLETT PACKARD TEST & MEASURE E8401A USPP E8401A

WESTINGHOUSE 292B930A10 USPP 292B930A10

TEXAS INSTRUMENTS PLC 5TI-1020-1 USPP 5TI10201

GENERAL ELECTRIC CR127AH36BF NSFP CR127AH36BF

Siemens 6ES5-188-3UA11/6ES5188-3UA11 RACK XLNT

SIEMENS 6ES5 375-0LC21 6ES53750LC21

SIEMENS 6ES5-985-0AA11 USPP 6ES59850AA11

Siemens 6ES5 928-3UB11/6ES59283UB11 CPU

Siemens 6ES5 942-7UB11 6ES5942-7UB11

Siemens Memory Card 6ES7952-1AM00-0AA0 6es79521am000aa0

RELIANCE ELECTRIC 80281702RA USPP 80281702RA

Texas Instruments 500-2103

Spirent Adtech AX/4000 401324 10/100 Ethernet Interface

VIC2-2E/M CISCO TWO-PORT VOICE INTERFACE CARD EANDM

Siemens C98043-A1603-L41

Modicon AS-W201-005

Schneider Modicon AUTOMATION AS-BDEP-218 INPUT ASBDEP218

Schneider Modicon AS-J470-000 ANALOG OUTPUT MEMORY MODULE Q1-5

Schneider Modicon AS-BDAP-104 NSPP ASBDAP104

Schneider Modicon AS-B846-001

Schneider Modicon AUTOMATION DEP218/AS-BDEP-218

Schneider Modicon AS-W600-006 Cable Assembly

Schneider Modicon Telemecanique TSXDMZ28DR

SE Modicon Input Module MB829-116 SURPLUS

RELEASE SuperMicro X9DRT-HIBFF MB FULL MFR

Siemens 6ES7 132-4BD00-0AA0 Output Module 24 VDC /Un

SIEMENS SINUMERIK 840D/840DE NCU 571.2 6FC5357-0BA10-0AE0

MODULE SERVO COMMUNICATION GIDDINGS AND LEWIS 501-03676-23R4

SIEMENS Simodrive 611 6SN1146-1AB00-0BA1 Infeed Module

SIEMENS SINUMERIK OP 032 6FC5203-0AB20-0AA1 NIB

SIEMENS Complete Gasket Set Arctic Cat Z 440 97-6 FC Twin 440cc

AllenBradley1769-OB32CompactI/OOutputModule

Allen Bradley SLC 500 Output Module Cat 1746-OB32 Ser. D

ABB Robot Board 3HAC1462-1 D8QC363 #29039

A06B-0127-B577#7208 FANUC SERVO MOTORS

0.1-1000MHz -80dB to +90dB Phase and levels ratio meter FK2-29 an-g Agilent HP

MODICON AS-D013-200 USPP ASD013200

ALLEN BRADLEY 1398-DDM-030 USPP 1398DDM030

ADEPT TECH 10300-46625 USPP 1030046625

GE FANUC IC600CP4210 USPP IC600CP4210

SIEMENS CMD63A800 NSFP CMD63A800

SIEMENS 6ES5685-0UA11 USPP 6ES56850UA11

ALLEN BRADLEY 2711P-B6M1A USPP 2711PB6M1A

Siemens 6ES5 928-3UB12 -- 6ES59283UB12

Siemens simatic 6ES5 523-3UA11 6ES5523-3UA11 NIB

SIEMENS 6ES5-497-4UB42 NSFP 6ES54974UB42

Siemens 6ES5 440-8MA21 6ES5 440-8MA21S5 440-8 Digital Output WARRANTY

Siemens 12/24RCE 6ED1052-1MD00-OBA7 6ED1 052-1MD00-OBA7 in Box FreeShip

Siemens EM235 6ES7 235-0KD20-0XA0 EM 235 PLC

SCHNEIDER DISCRETE INPUT 16PT 115V DEP 218/AS-BDEP-218

Square D 9001-KS11BH13

SIEMENS 6ES7-151-3AA10-0AB0 SIMATIC DP INTERFACE MODULE

WE SHIP SAME CISCO SPA-8X1GE-V2 Cisco 8-Port Gigabit Ethernet Shared Port

Siemens 6RA70 C98043-A7010-L2 Card

Siemens TP270-6 6AV6 545-0CA10-0AX0 Touchscreen Glass

Schneider Modicon TSX DAP 212 DISCRETE I/O MODULE AS-BDAP-212

Schneider Modicon AS-BDAP-212 SEALED Compact Combo ASBDAP212

Schneider Modicon AS-B824-016 USPP ASB824016

Schneider Modicon AS-884A-201 MODULE AS884A201

Schneider Modicon AS-S954-000 USPP ASS954000

Schneider Modicon AS-BFAP-209 8 PT OUTPUT

SCHNEIDER TCC-X17-TXBT CABLE 26HD/25SD MALE-FEMALE TCCXCB10002

SIEMENS 6ES7 131-4BD00-0AA0 INPUT MODULE 4 POINT

RSP720-3CXL-GE Cisco Route Switch Processor 720-3CXL Router

Siemens Digital Output Module 6ES5 441-8MA11 441-8MA12 441-8MA13 free ship

SIEMENS Sinumerik 820G 6FC3801-3AC-Z 6FC8504-1AX00 CRT Monitor Operator Panel

Schneider Automation Communication Module TSX-SCM2111 WARRANTY

SIEMENS 6SN1-162-0EA00-0DA0 NSPP 6SN11620EA000DA0

SIEMENS 6SC6100-0GA11 6SC6100-OGA11 6SC61OO-OGA11 6SC6 100-0GA11 SIMODRIVE Board

SIEMENS 6FC5-111-0CA03-0AA2 NSFP 6FC51110CA030AA2

AllenBradley6182H-12TEH4BVersaViewCE1250HTouchPanelWorkstation

Allen Bradley Versaview Industrial Monitor 6186M-12PT Sealed 2010

ABB du/dt Filter

Adtech AX/4000 Chassis w / Adtech 40128 Ethernet Module

(Good condition) SUNRISE TELECOM SUNSET ISDN SS400 w/ + + +

KEB COMBIVERT 18F4C0H-3441 USPP 18F4C0H3441

ACTUS POWER NPSA-2.5NN-40E3 USPP NPSA25NN40E3

FISHER ROSEMOUNT DM6001X1-C1 USPP DM6001X1C1

FANUC A05B-2301-C305 USPP A05B2301C305

SCHWEITZER ENGINEERING SEL-121F00-4256MHSB USPP SEL121F004256MHS

QLOGIC SB2B-08A USPP SB2B08A