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WESTINGHOUSE 1C31224G01WESTINGHOUSE 1C31224G01

工控zui重要的*是穩(wěn)定,第二是穩(wěn)定,第三還是穩(wěn)定,而穩(wěn)定不單是硬件方面,軟件其實也非常重要,再有就是抗于擾。這里只談PLC軟件。 我把PLC程序規(guī)范為以下幾個組成部分： 
一、系統(tǒng)初始化， 
二、過程或狀態(tài)的描述(相當于繼電、接觸控制中的中間繼電器)， 
三、人機操作控制(手動操作，參數(shù)修改等)， 
四、設備控制輸出(電機、閥等)， 
五、通信(各控制設備間的互鎖和數(shù)據(jù)交換)、 
六、過程或狀態(tài)的故障描述， 
七、報警輸出和故障位置等信息顯示， 
八、生產過程報表(產、質量等)。 
手機

： 

 Qq:

鄭娟萍

廈門仲鑫航自動化設備有限公司

下面主要談談過程或狀態(tài)的描述和設備控制輸出，因為這基本上是程序的主要部分。
程序好壞的標準：穩(wěn)定、易調試、易修改、易擴展、易讀、實時性(快)。在這么多年的實踐中，我感到先由過程或狀態(tài)的描述得到各種狀態(tài)變量，再對設備輸出進行編程能比較好的達到上述目標，可能它在快的方面有所欠缺(因為程序長一些)但這*可以從其它方面得到解決(例如中斷)。這種想法主要源自數(shù)學上的狀態(tài)方程：Q=f(S1，S2，S3……..,Sn)其中Q為設備輸出,S1、S2、S3…….Sn為狀態(tài)變量(包括輸入輸出)。f是由指令系統(tǒng)組成的算法。

BUZMATICS 15-24VDC SERVO PRESSURE CONTROL, SPC2RT-4I20-0G100+NR3-S209

SIEMENS  S7 24V DC SUPPLY VOLTAGE MODULE 6ES7 153-1AA02-0XB0 MISSING COVER

SIPCO TECHNOGEAR 3/4" SHAFT DIA. GEARBOX, CBS045S001-15IS-X-HA2-0

HONEYWELL DIALAPAK INDICATOR AV101AA203

IFM EFECTOR SENSOR OGP700

GE VOLTMETER 0-5250 VOLTS

ULTRALITE PRODUCTIONS EPROM ERASER NNB

F.W. BELL MILLIAMMETER MA-2000 104948

CLAROSTAT 500VDC 1MOHM POTENTIOMETER, RV4NAYSD105A *NEW*

IDEC CONTROL UNIT TK1557 NIB

HINSBERG + COKG REMSCHEID MR8MISPEZ VALVE NNB

EAO 18 X 24MM KEYLOCK SWITCH, 51.295.022D *NEW*

GENERAL ELECTRIC CR104G SELECTOR SWITCH, NO BOX

LOCK INSPECTION SYSTEMS CK2500 WEIGHCHECK CONVEYOR W/ 14" X 7" MET30+ 3f/hf

5/8" TOP BEAM CLAMP

DAYKIN LTFS-13 TRANSFORMER DISCONNECT, NEW

EFECTOR 100 ID3507 INDUCTIVE SENSOR 20..250V NIB

CAL DATA 60HZ 115VAC 1.5 AMP DIGI SCAN 6000

WESTCODE THYRISTOR MODULE BISCR 3504030GR 9644

LUMBERG 300V 8A 3-POLE PARALLEL WIRED MINI STYLE DISTRIBUTION BOX, ZVS4-30

HONEYWELL BZ-RX MICRO SWITCH, IN BOX

ABB CLEAR PUSH BUTTON SK 616 001-A

WINTERS 0-100PSI PRESSURE GAUGE W DIAPHRAGM SEAL 316SS TYPE 70 W BROKEN LENS

PANASONIC * CIRCUIT BOARD * ZUEP5461

FESTO ROD CLEVIS SG-M 16X1.5 NIB

NORGREN GAUGE 0-300 PSI 0-20 BAR 1/4" NPT

WIKA 212.40.080 PAPER MACHINE GAUGE NIB

ALCO CONTROLS 208-240V 12W SOLENOID COIL W/ JUNCTION BOX, TYPE AMG, *NEW*

CUTLER HAMMER  CONTACT BLOCK SER. D2 10250T3

BANNER MULTI-BEAM FX1 NIB

ALLEN BRADLEY 1.5" RADIUS NON-ADJ STEEL ROLLER LEVER, 802T-W1A SER. B *NEW*

SIEMENS 4300 POWER METER DC-120

ALLEN BRADLEY OVERLOAD RELAY HEATER ELEMENT W35 NIB

WOODHEAD BRAD HARRISON 250V 4A 4P 6M MICRO CHANGE CORDSET, 804000C02M060 *NEW*

BEI 5VDC 3/8" SHAFT DIA. ENCODER, H25D-SS-125-ABZ-7406R-LED-EM16

GENERAL ELECTRIC 125VDC STATIC INPUT ELEMENT, CR245R111A SER. A *NEW*

ALLEN BRADLEY MICRO T-CONNECTOR 1485P-P1R5-DR5 SER. A NIB

SCHMERSAL 500V 10A LIMIT SWITCH W/O HEAD, TR 335-20Z

DODGE 56C FRAME 1750RPM .31HP MASTER XL SPEED REDUCER, 3092429001RX 07916701AJ

MARSH PRESSURE GAUGE 0-160 PSI

GORING KERR 14" X 4" METAL DETECTOR DSP 3

IDEC CONTROL UNIT ABN1ZC1 NIB

SMC MULTI COUNTER:CEU5-D, NNB

EFECTOR 500 PB5322 PRESSURE SENSOR NIB

BURKERT 0331 C 5/32 FPM NNB

JAPAN SERVO CO. 7.5DEG/STEP STEPPER MOTOR, KP54FPB-706

THORDARSON MEISSNER 117V 50/60HZ FILAMENT TRANSFER, 26F68 *NEW*

MODICON MC-SSSA-025 RESOLVER CABLE, NIB

EUCHNER TZ-C SAFETY BOLT, 057737 *NEW*

BUSSMAN SERIES: CHM IEC60269

IFM EFECTOR100 INDUCTIVE SENSOR IF5580 NIB

APPLETON UNILET 1 1/2" LL FORM 35 NIB

THYRISTOR MODULE 1538A96H10 8027

THYRISTOR MODULE  1538A96H10 7748

APPLETON 2" LB CONDUIT BODY, FORM 35, NNB

KEYENCE CONTROLLER DV-90NE

COOPER AUTOMATION * TOUCH SCREEN * M-PRO-400

GENERAL ELECTRIC VOLTAGE RELAY 12IAV54E2A

NUMATICS FILTER F901XG16 250-175 SEALED

MOLEX 84909-0004 18AWG 12FT CABLE, NEW 

OMRON 24VAC/DC SAFETY RELAY UNIT, G9SA-301

GENERAL ELECTRIC LIMIT SWITCH  10 AMP 660V 114FCT03

EDWARDS 24VDC .3A ADAPTABEACON 98BA-G1

FESTO PRESSURE REGULATOR LR 3/8-D-MIDI P/N 173656 NNB

NUMATICS 1-1/2" CASE 100 PSI PRESSURE GAUGE, 214-117A *NEW*

NEWARK ELEMENT 14 CAN MS3106F14S-6P 7425529 NIB

MONTRONIX POWER SENSOR MODULE PS100-DGM

WIKA DN 150 6" PRESSURE RING NEW

GE RT4R RELAY W/ GE RTXP

PHOENIX CONTACT-NOVOTECHNIK TYPE MUP100-1

CHNT BREAKER NL1-63-25A

BROWNING TORQUE LIMITER T55LX NIB

ARMSTRONG INTERNATIONAL 0-200 PSI PRESSURE GAUGE

GRAPHIC CONTROLS GREEN MARKERS QTY 10 NIB

DWYER INSTRUMENTS 35 PSIG 120F PRESSURE TRANSMITTER, 603A-7

MAHR / FEDERAL 0.01mm MODEL VM DIGITAL INDICATOR IND-993

CRAMER 115V 2.7W 60HZ 6-DIGIT MINUTE METER, 635G-AA, NIB

FISCHER & PORTER 120VAC PROCESS ALARM RELAY 55PA1000

DATALOGIC PARALLEL CONTROLLER HS860B

FENWAL THERMOCOUPLE 230803-304 NNB

ALLEN BRADLEY RESET SWITCH

ACOPIAN MINIATURE AC TO DC POWER MODULE D15-30

OMRON PRO-CON BASE C200H-BP002

RIS 5VDC SUPERCAL MULTIMETER CL6000 104653

THOMAS & BETTS RUSSELLSTOLL 125V 20A 2P 3W EVER-LOK PLUG, 8593CTN *NEW*

FUJI 5A 550V 2 POLE AUTO BREAKER EA52B *NEW IN BOX*

HONEYWELL 8-1/4" PROBE 1/2"NPT 140°F HIGH ACCURACY TEMPERATURE TRANSMITTER H4139

EPIC 400V 35A RECTANGULAR CONNECTORS, H-BS 6 SS *NEW LOT OF 4*

SIEMENS 24VAC/DC LAMP HOLDER W/ INTEGRATED LED, 3SB3400-1PC *NEW*

IDEC CORP. RY42V-UAC12V RELAY, LOT OF 2, NIB SEALED

UNITED ELECTRIC CONTROLS 480VAC 0-150F TEMPERATURE CONTROLLER E55A

DISC INSTRUMENTS 3/8" SHAFT DIA. ENCODER, 702FR-200-0CLP-TTL

FORGED STEEL 1" 3000 SOCKET WELD TEE CWP A 105 R735 NEW

OMRON 2A, 400V SAFETY DOOR SWITCH D4DS-15FS

DISC INSTRUMENTS 15VDC 3/8" SHAFT DIA. ENCODER, 702FR-200-OCLP

JOHNSON CONTROLS OUTDORR SENSOR ENCLOSURE W/O SENSOR, BOX10A-600R NNB

PARKER 150 PSIG AT 130F 1/2" NPT PRESSURE SENSOR, 92-812

EATON CUTLER-HAMMER 300V 4-PIN 5M FEMALE CONNECTOR CABLE, CSAS4F4CY2205 *NEW*

UNITED ELECTRIC CONTROLS 125/250VAC 15A 0-150F TEMPERATURE CONTROLLER, E21BS

BURNDY 500MCM SINGLE HOLE BROWN DIE CRIMP LUGS, U34T/U34ART *LOT OF 3*

HONEYWELL MICRO SWITCH 480VAC 15A 1/2" NPT LIMIT SWITCH, BZE-RQ8X2 *NEW*

ACHME ELECTRONIC CORP. 115/230V 5/2.5A 200W POWER SUPPLY,  AM-405B

DR. E HORN GMBH 144X144.2 0-10VDC 0-30 FEET/MIN GAUGE, D-71101

EAGLE SIGNAL 24V 10A 50/60HZ RELAY,  30E2CA024 *NEW*

UNITED ELECTRIC CONTROLS 0-100PSI 125/250VAC 15AMPS J110A MODEL156

HOFFMAN 12 BLOCK TERMINAL BLOCK STRIP FOR JUNCTION BOX, A10JBNS *NEW*

EMECANIQUE LIMIT SWITCH XCS IEC 947-5-1

BECKHOFF DIGITAL OUTPUT KL2114

HUBBELL 125V 20A 2 POLE 3 WIRE FLANGED RECEPTACLE, HBL5379C *NEW*

OMEGA PRESSURE TRANSDUCER PX603-015G5V

TPC * SUPER TREX CORDSET MALE PLUG 3P 3" * 84803

SELECTRONICS 530V CAPACITOR, MFB-MP16/400

FESTO 20MM PISTON 125MM STROKE PNEUMATIC CYLINDER, DSNU-20-125P-A NNB

MAHR / FEDERAL 0.01mm, UNIT A, DIGITAL INDICATOR 04792658-G-020A03A

ALLEN BRADLEY PILOT LIGHT KED LAMP 800T-N319G SER. C

GENERAL ELECTRIC 0-5 A-C AMPERES PANEL MOUNT METER, 250340LSLS *NEW*

AMPHENOL 600V 18FT 21-PIN CABLE & CONNECTOR, P22954-CE18 *NEW*

SENTRY SAMPLE SEQUENCER 9823P23133-3 105351

INDRAMAT AC SERVO POWER SUPPLY TVM2.1-50-220-300-W1/115/220

APPLETON UNILET 3" LB FORM 35

BROOKS MT 3810 VARIABLE AREA FLOWMETER TRANSMITTER 3810A13C1PAA1A1 *RUBBER*

COOPER CROUSE-HINDS MINI-LINE D NET CONNECTOR CHDN-EBF-T1 NIB

STM GEAR BOX / GEAR REDUCER RMI 28FL NNB

TRW DE512181 CINCH CONNECTORS, LOT OF 23, NIB

TURCK 250V 4A 4PIN STRAIGHT MALE/FEMALE CORDSET, RKC 4.4T-10-RSC 4.4T *NEW*

EMRO PNEUMATIC ACTUATOR FMYB-5120

MANNESMANN REXROTH 00364861 89, NNB

PYLE NATIONAL 1 1/4" PVLET OR-45-LB NNB

BUSS 16321-1 DISTRIBUTION BLOCK, NNB

THOMAS & BETTS 143 1" LOCKNUT, LOT OF 49, NIB

TRERICE RANGE 0-160 F & C DIAL THERMOMETER B / L80742 *NEW IN BOX*

HONEYWELL AT88A1021  75VA TRANSFORMER, NIB

FEDERAL 0.01mm MODEL VM DIGITAL INDICATOR IND-952

DAYKIN 480V 1.1A 1PH 60HZ TRANSFORMER DISCONNECT, MDGTB-07

CF8M 1500 WOG SHUT OFF VALVE NNB

RITTER TECHNOLOGY 2202P2-2 90 STREET ELBOW NIB

GENERAL ELECTRIC 300V CONTACT BLOCKS, 080B02D, NIB LOT OF 5

PHD PROXIMITY SWITCH 17509-3-06 NIB

RELIANCE RELAY SOCKET, 600434 5R, NIB

BRAD HARRISON 702P401 PORT CONNECTOR

AUTOTECH TM400N ON DELAY TIMER

PHD PROXIMITY SENSOR 17503-2-06 NIB

GE LUG CONNECTOR 250-400 MCM CU

TOSHIBA 120V 60HZ  COIL, NNB

CINETIC AUTOMATION 93958684 50FT. CABLE, NNB

ROSS 944K77 ELEMENT KIT NIB

KEYENCE FU-5FZ NIB

PACIFIC SCIENTIFIC 24V 73W 3/8" SHAFT DIA. 1.8 STEP MOTOR, E31NLHB-LDN-NS-02

SCHNEIDER MODBUS CONNECTORS, ASMBKT085, NNB

SEW-EURODRIVE 230/460V .75HP 1700RPM GEAR MOTOR, RX61DT80K4BMG1HR

DISC INSTRUMENTS 15VDC 3/8" SHAFT DIA. ENCODER, 702FR-100-OCLP-TTL-SS

WIKA 0-100 BAR GAUGE  EN 837

LEVITON 125V 15A 2-POLE 3-WIRE LOCKING PLUG, 4720-C *NEW SEALED*

AUTOMATIC TIMING & CONTROLS 5W ELAPSED TIME INDICATOR, 5700A102A00BX

MURR ELEKTRONIK 4-PIN CONNECTORS, 00027606 *NEW LOT OF 10*

EUCHNER TP3-4131A024PG SAFETY SWITCH, NO BOX

SIEMENS SIMATIC S7 RELAY OUTPUT MODULE 6ES7 132-4HB10-0AB0 W/ BASE

BEI 5VDC 3/8" SHAFT DIA. ENCODER, H25D-SS-1800-ABZ-7406R-LED-EM16-S

FUJI ELECTRIC AH25 600VAC COMMAND SWITCH, NIB

USG 0-300 PSI 1/8" NPT PRESSURE GAUGE, P500 *NEW*

HUBBELL SEAL-TITE INSULPRENE TRIPLE SEAL COVER, HBL6035 *NEW*

ALLEN BRADLEY CONDUIT HUB 1490-N10 SER A

VISHAY DALE RH-25 25W RESISTOR QTY 5 NIB

TURCK EUROFAST MOLDED CORDSET WAKW 4.5T-5 NIB

POTTER & BRUMFIELD CDD-38-30004 TIME DELAY RELAY, NNB

BUSS FUSEHOLDERS 12A LINE NIB LOT OF 11

AGASTAT 5-50SECOND TIMER 120VDC 7012PDLM

MITSUBISHI AUX CONTACT A600 S-K95UL

SUMTAK OPTCODER LE0-236-20

MONNIER COMPACT FILTER 204-2200-2 NIB

HEVI-DUTY CONTROL TRANSFORMER T750 KVA750

HONEYWELL ISSC 115VAC SOLID STATE PROXIMITY LIMIT SWITCH, 1228-1-A-3-B *NEW*

BRAD HARRISON WOODHEAD 3 PIN FEMALE CORDSET 103000A02F060 NIB

LUTZ-SILFLEX 600V 18AWG N-QUAD DURABLE CONTROL CABLE, 108392A *NEW*

FESTO GUIDED DRIVE DFM-50-100-B-PPV-A-KF

EDL POCKET-PROBE DIGITAL BPD-445JNP

BEI MOTION SYSTEM 3/8 SHAFT ENCODER H25E-F1-1000-ABZC-7406R-FM18

FESTO 24VDC 4A 5-PIN ELECTRICAL ADAPTER, FBA-2-M12-5POL-RK NEW SEALED

PHOENIX CONTACT MODULE TYPE UMK SE 11.25   FLKM-H-20 M NIB SEALED

WHITMAN CONTROLS 250VAC 5A 5000 PSIG PRESSURE SWITCH, J205G-10S-K52L18-X

ACME ELECTRIC 240/480V 50/60HZ PHASE 1 GENERAL PURPOSE TRANSFORMER, T-2-53007-S

SIEMENS 600VAC, 30A, 20HP, I-T-E XL-X FUSIBLE SWITCH PLUG RV361

BARBER COLMAN 120V .65A 40W 60HZ ACTUATOR, EA51-00000-000

BRAD HARRISON 600V 8A 5P 1M MINI-CHANGE FEMALE RECEPTACLE, 1R5000A39M010 *NEW*

TURCK 250V 4.0A 4PIN LARGE PLUG BODY EXTENSION, WKE 4.4T-0.3-RSE 4.4T/S600 *NEW*

BURNDY HYLUG 1/0 AWG 5/16 IN. STUD TERMINALS, YA25, NIB SEALED LOT OF 10

BRAD CONNECTIVITY * MINI-CHANGE RECEPTACLE 6 POLE * 1R6004A20M010

COOPER CROUSE-HINDS 3/4" NPT STRAIGHT BODY MALE CORD/CABLE FITTING, CGB292 *NEW*

MOORE INDUSTRIES TEMPATURE TRANSMITTER SPT/TPRG/PRG/U

BUSSMANN R60030 FUSE BLOCK, NNB

NUMATICS 153SA425K NIB

GE CIRCUIT BREAKER TED113020 NNB

DIXON BOSS PRESSURE GAUGE GLS415

BALLUFF CABLE BCC055L NIB

OMEGA PRESSURE TRANSDUCER PX603

GPS THYRISTOR MODULE DCR1004SF 1717 9602

MAHR / FEDERAL 0.01mm MODEL VM DIGITAL INDICATOR IND-996

PHOENIX CONTACT 9 PIN MALE/ FEMALE CONNECTOR

OHMITE 50W 100OHMS RESISTOR D505100 NIB

GATES SUPER HC POWERBAND V-BELT, 5V850 *NEW*

ELTROTEC SENSOR FEL-M-30 12VDC-10% NNB

APPLETON CONDUIT STRAP CL-125 LOT OF 19 NIB

ARMSTRONG INTERNATIONAL 0-100 PSI  PRESSURE GAUGE 9143-03

GASTECH HALIDE DETECTOR 1230

AB GREEN PUSHBUTTON 800MR-P16S

GALVANIZED CONDUIT COUPLING 1 1/2" LOT OF 19

HARTING TOP ENTRY METAL HOOD, *NEW SEALED*

SANREX POWER MODULE QF30AA60

SANREX 800V 60A 3-PHASE BRIDGE DIODE MODULES, DF60BA80, LOT OF 2

HONEYWELL MICRO SWITCH 480VAC 15A 1/2" NPT LIMIT SWITCH, BZE-RQ81X2 *NEW*

ROSS PNEUMATIC REGULATOR 5211B3017 NNB

SKF BEARING 6210 2RSJ/EM NIB

BURNS ENGINEERING TEMPERATURE PROBE, NO MODEL NUMBER

MAC VALVES TM-DDFJ-1DA NIB

IFM EFECTOR INDUCTIVE PROXIMITY SENSOR IG5905

NAIS VL MINI LIMIT SWITCH AZ9108

NOSHOK SS TUBE & SOCKET 0-160 PSI

BRAD HARRISON * 5P FEMALE CORD * 206001A02F120

TPC * 90DEGREE 3POLE 6FT CORD SET * 89306

NSK PRECISION BEARING 7022CTRDULP4Y SET SEALED

NATIONAL CARBON MOTOR BRUSHES, T563, NNB LOT OF 4

GENERAL ELECTRIC 14.5-18A OVERLOAD RELAY, CR7G1WR

DANIEL WOODHEAD 125/250V 20A MALE/FEMALE SAFEWAY ADAPTER, 1733 *NEW*

BEI 3/8"SHAFT DIA. ENCODER, H25E-SB-200-ABZ-7406R-EM16-SPE-S12V

CASL 720VA 3/4 INCH NPT SAFETY SWITCH, EIGER 4HD XP

JOSLYN CLARK TYPE PMF RELAY, 5UF6-2

TRABON 24VDC SOLENOID COIL, 492-120-205, NNB

GENERAL ELECTRIC CR2940BC PUSHBUTTON ENCLOSURE, NO BOX

FALK 1.785" BORE 1050T STEELFLEX HUB, 0246655 *NEW*

POWEROHM CASE RESISTOR CR100-100 100OHMS/100W NNB

HOFFMAN 12" X 12" X 9.09" CONSOLET ENCLOSURE, C-12C12 *NEW*

BALLUFF PROXIMITY SENSOR BES516-331-AD-X

SEMIKRON MODULE SKDT 100/12 J18

CLEVELAND TWIST DRILL BIT 17.5 MMX26 MM

ABB CONNECTOR CABLE ASSEMBLY 3HAC4050-1

WARNER ELECTRIC 90VDC 20W 3600RPM CLUTCH BRAKE, 5370-273-022

DIXON / WILKERSON F26-02A 5121E NIB

MARTIN SPROCKET P64-8M-50-SK NIB

SIEMENS 24VDC 10A 3.2AH LEAD BATTERY PACK  BLEI-AKKU-MODUL 6EP1 935-6MD11

BEI 3/8" SHAFT DIA. ENCODER, H25D-SS-1800-ABZ-7406R-LED-EM16-S