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IC697ACC775 IC697ACC775  

*個X0的上升沿，將使Y0線圈接通并自鎖。同時，CT100對X0 作減1 計數(shù)。X0的第二個上升沿到來時對Y0不起作用，但CT100對其計數(shù)，故C100常開閉合使R0線圈接通。下一個掃描周期，斷開了的R0常閉觸點使Y0線圈斷開并打開自鎖；閉合了的R0常開觸點使CT100復(fù)位，進而C100常開觸點斷開使R0線圈斷開，整個系統(tǒng)復(fù)位等待第三個X0的上升沿……。圖中R9013是PLC初始閉合繼電器觸點，在系統(tǒng)中起初始復(fù)位作用。因為CT100默認(rèn)為保持型，Y0為非保持型，在Y0輸出狀態(tài)下電源斷電或PLC由運行轉(zhuǎn)為編輯后Y0斷開而CT100保持計數(shù)值“1"。若梯形圖中去掉R9013常開觸點，在系統(tǒng)再恢復(fù)運行時*次按動X0將不能啟動系統(tǒng)，只有在第二次按動X0時才能啟動系統(tǒng)。

分析可見，該控制系統(tǒng)輸出信號Y0的頻率是輸入信號X0頻率的1/2，可稱其為二分頻電路。在工程應(yīng)用中可以作為，用一個不帶自鎖的控制按鈕控制一臺電機啟動/停止的基本控制電路。

手機

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 Qq:

鄭娟萍

廈門仲鑫航自動化設(shè)備有限公司

 現(xiàn)在許多小型的PLC都或多或少地提供了掉電保持寄存器，以便在PLC斷電的時候，保存用戶想要保存的數(shù)據(jù)。但大多數(shù)時候，PLC制造廠商為了節(jié)約成本，不可能提供足夠數(shù)的掉電保持寄存器供系統(tǒng)設(shè)計人員使用，所以當(dāng)被調(diào)整的數(shù)據(jù)項目超過PLC內(nèi)部的掉電保持寄存器的數(shù)目的時候，我們不得不減少被調(diào)整的數(shù)據(jù)項目（固定或不用）或者購買具有更多掉電保持寄存器數(shù)目的PLC，這樣的話，就使得生產(chǎn)機械缺乏靈活性和適應(yīng)性，從而降低產(chǎn)品檔次或增加成本。1)      當(dāng)PLC 為RUN方式時，K20被送入預(yù)置值寄存器SV100中，如果此時復(fù)位行為OFF，則SV100中的K20又被送到經(jīng)過值寄存器EV100中。

2)        每檢測到一個計數(shù)器邏輯行X0的上升沿（OFF→ON的狀態(tài)變化），EV100中的數(shù)值減1計數(shù)。

3)        當(dāng)EV100中的數(shù)值減至“0"時，計數(shù)器C100的觸點動作并保持，即常開觸點閉合，常閉觸點斷開。

NIMBUS CIRCUIT BOARD CARD PCA070 PCA-070 PEC070-7 PEC-070-7

NEW GE LUCALOX LAMP LIGHT BULB 44047 LU250 S50 250 WATT 250W 

MI UNIVERSAL RELAY CIRCUIT BOARD CARD PLC MODULE 9109-005-000-SA 9109-016-000

ABB INDUSTRY OY ASEA BROWN BOVERI CIRCUIT BOARD CARD NDPI-03 NDPI03 57619686 A

Schlafhorst anspinn prüfer Circuit Board 117-655 544G 117655544G Used

COMPUTER DYNAMICS CIRCUIT BOARD CARD SBC-XT SBCXT REV H

SQUARE D ATV DRIVE POWER CIRCUIT CARD BOARD STI980207-01-06 STI980290-01-04

Alltech Electronics Board Card K103-15074 T91P1D22-12

GE CIRCUIT BOARD 44B399882-002 44A398711-G02 0DI32B

AS IS WESTINGHOUSE 1870A82 233P747HO1D CIRCUIT BOARD

WESTINGHOUSE PULSE WIDTH BOARD 180P686H01J 486A809-G01

PANASONIC CIRCUIT BOARD CARD J1-1R-2Q016S J1-1R2Q016S MN-460A MN460A

ALLEN BRADLEY 15kW 15A INTEGRATED AXIS SERVO DRIVE CIRCUIT BOARD 74106-308-51

CINCINNATI MILACRON CNC ROM SET CIRCUIT BOARD CARD 3-531-3288A 3-711-1776G REV A

MURATA  CIRCUIT BOARD/CARD 008-7091A-61 0087091A61

ALLEN BRADLEY UIA-01 CIRCUIT BOARD CARD 634173A 634173-A

SSD DC VOLTAGE TRANSFORMER  AH044104U001  / ConTec  

ELECTRONIC WOOD SYSTEMS OBEN CIRCUIT BOARD RECEIVER LP504

Condux Circuit Board KG8924-1 KG89241 KDA7361B Rev E Used

MASTER HALON BD SUPPRESSION CONTROL BOARD 18900139 REV D 18200688 REV P BBC G 

Fanuc Spindle Amplifier Module A06B-6092-H245 Plastic Cover Used

MONARCH CORTLAND CNC SPECIAL I/O BOARD E49560 E49555

BEACONMEDAES BEACON MEDAES CIRCUIT BOARD CARD 4107-6511-80 4107651180 REV 03

MEDAR 500S CIRCUIT BOARD CARD 519-B 5193-BM1 5913BM1

EATON DYNAMATIC AF5000+ CAPACITOR BANK BOARD CARD 15-1057-1 1510571 REV C

NIMBUS TECHNOLOGY FOCUS SERVO CIRCUIT BOARD CARD PEC009-2 PEC-009-2 PEC0092

EUROTHERM SSD DRIVE CIRCUIT BOARD POWER MODULE AH471142T545 471142

SSD EUROTHERM DRIVE CIRCUIT BOARD CARD AH043724U154 AH043724U154 043724

Unitech  Board 4640 Head SW BD T870008-520 NEW

SQUARE D POWER INTERFACE BOARD 52011-390-01 53 REV E

HYPER LOOP PC BOARD PHASE SHIFT CIRCUIT BOARD 162-0509-001 1620509001

MMI MARATHON MONITORS UNIPRO PROCESS CONTROL CIRCUIT BOARD 810061-01 81006101

MMI MARATHON MONITORS UNIPRO PROCESS CONTROL CIRCUIT BOARD 810161-1 8101611

DTM CONTROL CIRCUIT DRIVE BOARD CARD EOV 40-301 40301

NIMBUS T&E CIRCUIT BOARD CARD PECA022 PECA-022 PEC022 PEC-022 ISS 2

EATON DYNAMATIC AF-5000+ LOAD INTERFACE DRIVE 15-864-8 158648

QEI CIRCUIT BOARD CARD 6SI1 40-055904-001 30-056190-001H

K&T KEARNEY & TRECKER CMUX 2 CIRCUIT BOARD 1-21758-03 12175803 REV 1

HYUNDAI INVERTER AC DRIVE POWER CIRCUIT BOARD CARD 2B022589-1 J300-075LF

MULLER MARTINI OPERATOR INTERFACE DISPLAY PANEL CONTROL 4342.1135.3 4342.3031.4A

MATROX CIRCUIT BOARD CARD QG-640 QG640 254-06-02

EUROTHERM SSD PARKER CIRCUIT BOARD CARD AH471153T740 471153

KOCH CIRCUIT BOARD CARD 8010-6 80106

ALLEN BRADLEY CNC OUTPUT CIRCUIT BOARD CARD 7100-OAA 7100-0AA 636408 120V

UNKNOWN BRAND NAME POWER SUPPLY SCDC CIRCUIT BOARD 4406 2468268 002-0377 R2 NEW

UNKNOWN BRAND NAME CIRCUIT BOARD CARD 2588309-0001 REV H A16532-1

MOTOROLA AMP CIRCUIT BOARD CARD 0183625X01 12-403938-01 35-403938-01 REV A

CINCINNATI MILACRON SIEMENS CIRCUIT BOARD CARD 3-531-2984A 35312984A REV C

MOTOROLA AMP CIRCUIT BOARD CARD 0183625X01 12-403938-01 35-403937-02 REV B D

RELIANCE ELECTRIC CIRCUIT BOARD DRIVE CONTROLLER 60015-A 60015A 

MASTER CONTROLLER CIRCUIT BOARD PLC CARD DAS1.1 DAS 1.1

GE FANUC DRIVE TB OPTION CARD 531X170TBSAGG1 F31X170TBSADG1

PHILIPS X-RAY THYRISTOR INTERFACE D77 BOARD SC110/SC210 4512-130-65956 LB107F

INDRAMAT CIRCUIT BOARD CARD 109-0770-3B06-03 20907703B0603 238894

FINCOR ENCODER INTERFACE BOARD 105622401 1056224-01 C

IN PCI EXPRESS PRO/1000 PF QUAD CIRCUIT BOARD CPU-D15519 D33025 D15531-003

HEALD CIRCUIT BOARD CARD 3-531-2601-A 35312601A 3-531-2601A

NO BRAND CIRCUIT BOARD CARD 800802A 800802-A

ACCRAPLY CIRCUIT BOARD CARD 824212

Refrigeration Research Refrigeration Suction Accumulator 3831 450 PSIG 3100 kPa

Avalon Safety Cycle II LED Status Board REV B

REXCON ANTI TIE DOWN BOARD MODULE IN-ATD-2-22 INATD222

EDYNE BROWN ENGINEERING BACK PANEL BOARD 3000 C62374 C62375 REV. 3

EUROTHERM SSD PARKER PC CIRCUIT BOARD CARD AH471148U700/3 471148

ALLEN BRADLEY 5KW 5 KW AXIS POWER CONTROL BOARD 74102-328-53-F 74102-328-53F

EUROTHERM SSD PARKER DRIVE CONTROL CIRCUIT BOARD CARD AH465214U001 465214

BEST POWER TECHNOLOGY CIRCUIT BOARD CARD PCB1C PCB-1C C664 48V

CMC CINCINNATI MILACRON DRIVER PC CIRCUIT BOARD CARD 3-531-2209A 3-531-2209A

FIBRESCAN FS1301 POWER SUPPLY BOARD 

SIMPLEX CIRCUIT BOARD CARD IZB IZB-4PCA 5000-IZB 03151

JMV ROBOTIQUE CIRCUIT BOARD CARD LAB500 LAB-500 REV. 3

VARIAN STORK 2 MEDIUM POWER CONTROL BOARD CARD TM56917000 IPC351

LFE PC Board Interface Base WW-1653-0088 WW16530088 Rev H Used

Fanuc Connector Panel A02B-0072-C204 A02B0072C204 Used

MONARCH CORTLAND CNC MACHINE OUTPUT CIRCUIT BOARD E49984 E49983

B&R BERNECKER & RAINER MINI INTERFACE COMMUNICATIONS MODULE MCPIFA-2 MCPIFA2 NEW

GOULD GETTYS FIRING CIRCUIT BOARD CARD 14-0024-05 14002405 14-0024-105 REV B

TOSHIBA POWER MODULE MG50Q1BS11

GE FANUC SINGLE AXIS CONTROL BOARD IC600BF915L IC600-BF915L 44A717556-G01

PAIRGAIN PAIR GAIN HIGAIN REM REMOTE UNIT HRU-402 HRU402 150-1592-04-X01

EUROTHERM PARKER SSD AC DRIVE CIRCUIT BOARD CARD AH471150T700/2 471150

SAFETRAN DISPLAY KEYPAD KEYBOARD CIRCUIT BOARD 170-SV 044062D170-00E

POTTER & BRUMFIELD EMERSON CONTROL RELAY CIRCUIT BOARD CARD 2450-4014 24504014

RELIANCE ELECTRIC INTERFACE DRIVE CIRCUIT BOARD 0-58704C 0-58704-C 802288-91A

ABB ASEA BROWN BOVERI AC DRIVE CIRCUIT BOARD CARD 58939200C NVAR-31

ATLAS CONVERTING CIRCUIT BOARD CARD 673039 ISSUE 2 W/ SOLA 84-15-2120  84152120

EMERSON DRIVE POWER SUPPLY CIRCUIT BOARD CARD G 6230-4112 62304112 6230-2112

EFD DISPLAY KEYPAD CIRCUIT BOARD CARD OPN-1065 OPN1065

UNKNOWN BRAND NAME CIRCUIT BOARD CARD D863 D-863

LINK ELECTRIC MOTION DETECTOR 202 CIRCUIT BOARD CARD 

EL ERHARDT LEIMER CIRCUIT BOARD CARD ZS-2201 ZS2201

VALUESCAN XMITTER 12" MID CIRCUIT BOARD CARD 42513 17410

SWICHTEC INVENSYS ENERGY DRG 21592 CIRCUIT BOARD 350-00079-18B R5800 LCD DISPLAY

ALLEN BRADLEY 9A AXIS SERVO DRIVE CIRCUIT BOARD 74106-305-51 REV 10

YASKAWA CIRCUIT BOARD CARD JANCD-MM21-2 DF8202438 REV. A01

ALLEN BRADLEY POWER SUPPLY CIRCUIT BOARD 7300-VPE 7300VPE 634434-90 REV 5

WELTRONIC TECHNITRON CIRCUIT BOARD CARD 625943A 625943-A

LOT OF 4 NEW BUSSMANN LIMITRON CLASS CC FUSE KTK-R-30 KTKR30 30A 30 AMP A 600V

SEW EURODRIVE MOVIDRIVE AC DRIVE CIRCUIT BOARD 8223211.13 822321113 813-273-9.12

NO BRAND POWER SUPPLY CIRCUIT BOARD CARD 8P081 8PO81

Eurotherm SDS Parker LED Board AH466405U901/2 AH466405U9012 Used

UNKNOWN BRAND NAME CIRCUIT BOARD CARD TDS-3 TIMER DFL-TDS3-M549A1-S00-1

WESTINGHOUSE PULSE WIDTH BOARD 180P686H01J 486A809G02

YASKAWA DRIVE CONTROL DISPLAY CIRCUIT BOARD CARD ETC604360-S0013 YPHT31237-1E

CMC CINCINNATI MILACRON PC RELAY CIRCUIT BOARD PLC CARD 3-531-2275A 3-531-2275-A

Asea YPR 104 Memory Board YT204001-DF/1 2668 184-736/1 Used

EUROTHERM SSD DRIVE CIRCUIT BOARD CARD AH500816U204/1 AH500816T214/1

EUROTHERM SSD PARKER CIRCUIT BOARD DRIVE CARD AH350084U001 AH350084-U001 REV. 2

SWICHTEC INVENSYS ENERGY 350-0079-54C R5848-11 RECTIFIER CONNECTOR BOARD

Digital Equipment M7677 Monitor And Dist Module 50-16467-02 501646702 Used

NCR 2 CHANNEL VIDEO CORRECTION BOARD CARD DID-2160484-0061589-009 484-0061586

YASKAWA CIRCUIT BOARD CARD CACR-TS-CC CACRTSCC DF8305208-B0 REV. B0

EUROTHERM SSD PARKER DC DRIVE POWER CIRCUIT BOARD CARD AH469353T102 AH469353

WESTINGHOUSE SEQUENCER MODULE 233P747H01E 1870A82 USED 

ZURN PSB ARMOR CIRCUIT BOARD 48-123 48123 4348 HE-3-V0

UNKNOWN BRAND NAME 2ZONEDDZ ARGUS ALPHA CIRCUIT BOARD 15.200.0011 15-200-0011

EUROTHERM SSD PARKER AC DRIVE CONTROL BOARD CARD AH471148U500/2 471148

Fisher Provox High Density RAM Battery Backup Multilayer CL6601 40B1017X072 Used

Allen Bradley 10-40VDC Output Module 1771-OBDS A 96097072 300mA @ 5VDC 8 Amp

SANYO DENKI PC CIRCUIT BOARD CARD ARC-77 ARC77 QAI058-PI QAI058-P1 QF41001B

Fisher Rosemount Provox Analog Output DM6421X1-A1 46A3554X012 L 46A2802 Used

Iwatsu Omega COTL8 8 Port Loop Start Trunk Circuit Card E-T2339 G4 Used

YASKAWA ELECTRIC BACKPLAIN CIRCUIT BOARD CARD DF9200674-E0N JANCD-MBB02-1 E01

CINCINNATI MILACRON CNC DIGITAL DISPLAY CIRCUIT BOARD 3-531-3296A 35313296A

BURTON CIRCUIT BOARD CARD 513-385 513385 REV I

K&T KEARNEY & TRECKER FEEDBACK SUBSYSTEM CIRCUIT BOARD CARD 1-20661-02 REV 4

STI SAFETY INTERLOCK SWITCH ACTUATOR ASSEMBLY 44518-0050 MF-1PC6 MF-1 1 AMP A 1A

ATI TECHNOLOGIES 3D CHARGER RIIC PCI EDO CIRCUIT BOARD 109-38800-20

UNKNOWN BRAND NAME CIRCUIT BOARD CARD PWB-842 PWB842 1342802

UNKNOWN BRAND NAME CIRCUIT BOARD CARD PC-1052B PC1052B

Avalon Safety Cycle II LED Status Board 20004 G 30036 K

TOSHIBA PROGRAMMABLE LOGIC CIRCUIT BOARD CARD P6581581P902 P6581271G901

NO BRAND NAME CIRCUIT BOARD CARD PLC XL NELLS 603-110 603110

PANALARM PC BOARD FOR RILEY ALARM SYSTEM 70-AR1 12VDC 070-0042-3-05-B 5-09-N

TAKAOKA PC CIRCUIT BOARD CARD PEA000797 PEA-000797

K&T KEARNEY & TRECKER MULTIPLE SERIAL PROCESSOR BOARD 1-21764-04 1-2176404 REV 1

YASKAWA DRIVE CONTROL CIRCUIT BOARD CARD YPLT31004-1B ETC616680-S1114 

ALLEN BRADLEY VBT3 VBT CIRCUIT BOARD 633640VBT 633640

K&T KEARNEY & TRECKER FEEDBACK SUBSYSTEM CIRCUIT BOARD 1-20661-01 12066101 REV 6

K&T KEARNEY & TRECKER FLEX CELL OCP INTERFACE CIRCUIT BOARD 810-21727-01 135138

MANNESMANN REXROTH AMPLIFIER CIRCUIT BOARD CARD VT-2013-S16/2 VT2013S162

YASKAWA CIRCUIT BOARD CARD CACR-TM-CC DF8305208-B0 REV. B0

ARICO POWER CIRCUIT BOARD CARD FPV-01 FPV01 2003-03 VER. 1.1 REPAIR

EUROTHERM SSD PARKER AC DRIVE CONTROL CIRCUIT BOARD AH468001U001 AH468001

NORTH AMERICAN EPIC II RPC CONTROLLER CIRCUIT BOARD CARD 

SIEMENS CIRCUIT BOARD CARD 570-374-9001.51 570374-9001.51 570374.0001.51

CINCINNATI MILACRON CNC IPL TAPE READER INTERFACE CIRCUIT BOARD 3-531-3305A

BALDOR CIRCUIT BOARD CARD EB0524A00 PB0303A00 VS1GV420-1B

LOUIS ALLIS CO. CIRCUIT BOARD 46S976-10 46S976-0010

MONARCH CORTLAND RELAY CIRCUIT BOARD E49550 SSAC SP-462 462-1

PARKER CIRCUIT BOARD PCB: 1186-011-12 118601112 PEL1686

SSD EUROTHERM DRIVES CALIBRATION CIRCUIT BOARD AH046789U002

emecanique Circuit Board 880 602 AD 758619 880601-212-06 Used

CYBEREX MICRO CONTROL CIRCUIT BOARD CARD 41-09-604452 4109604452

New Benninger Card Board Relay GE 10151 X60 GFA1131X NEW

New Cutler Hammer Circuit Board LSL Driver GD108DR 

LOUIS ALLIS CO. CIRCUIT BOARD 46S979-10 46S979-0010

ELTEX CIRCUIT BOARD CARD ART. 15132 68130 J3 15130J NEW

NIMBUS CIRCUIT BOARD CARD ANALOG DIGITAL SP/DIF PEC100-2 PEC-100-2

SOLITECH CIRCUIT BOARD CARD S101-B1-C S10AB1C

RELIANCE ELECTRIC CIRCUIT BOARD CARD  B/M 0-48672 048672 

ALLEN BRADLEY RESOURCE MANAGER BOARD 5130-RM 5130RM SER A A08 A

PARKER DIGIPLAN CIRCUIT BOARD CARD PLC PCB 1186-011-13 118601113

BURTON CIRCUIT BOARD CARD 513-257-000 513257000 DRV A

ORMEC SYSTEMS CORPORATION PC BOARD PCB012A PCB-012A  PCB-012-A  REV. UNKNOWN

Exide Circuit Board X1060-71-1 X1060711 Rev M Used

SSD EUROTHERM DRIVES CALIBRATION CIRCUIT BOARD AC046789U003

COMPUTER DYNAMICS RTOUCH CIRCUIT BOARD REV B EL-BD ELBD

KONE MONTGOMERY CIRCUIT BOARD P-15730 P15730 B-47109 REV. 2

Emerson Digital Logic 02-777811-00

SOLA POWER SUPPLY GLS-04-040  GLS04040   100-240V  OUTPUT 40W MAX

4) SAMSUNG SEC MEMORY MODULE CIRCUIT BOARD CARD KMM372F404AS-6 KMM372F404AS6

GE FANUC 128K CMOS MEM MEMORY MODULE CARD BOARD IC697MEM731E 44A735351-G01

Ink System Interface Board 25015 25015B 25115 Used

MAG CIRCUIT BOARD CARD M98097651 PBM-F32-V14-SE PBC-FK2-V14-SD

YASKAWA MOTOMAN ROBOTICS ERC PC CIRCUIT BOARD JANCD-CP11 DF9200416-B0 REV E1

RELIANCE ELECTRIC PC DRIVER BOARD 48672-1 486721 REFURB

SCHLAFHORST Z-ANALOG/RIZ 117-655 962 ANALOG CARD/BOARD

CMC CLEVELAND MOTION CONTROL AC DRIVE PM2C CONTROL CIRCUIT BOARD CARD C41-10144P

FENNER CIRCUIT BOARD CARD DS181185-140 DS181185140

New in Bag Unknown Card Board Control CCI 1-0 A-4-0452G

UNKNOWN BRAND NAME CIRCUIT BOARD CARD 493142 081996 REV C

Applied Color Processor Board 1750-0020 17500020 Rev 5 Used

ALLEN BRADLEY ROCKWELL AUTOMATION CIRCUIT BOARD 74104-452-84 REV 08 74104-451-10

YASKAWA PC BOARD JANCD-MCP01 REV.D03 DF9200650-C0 MCP01

SIEMENS CIRCUIT BOARD CARD S30809-B1013-A W30809-B1013-W-4-B900

SALVAGNINI EXOR OUTPUT CONTROL MODULE CARD ECS80 E137 E137A IB-06A IB-06A 250981

EMERSON INTERFACE CONTROL BOARD 1550-4206 15504206

FANUC FUJITSU CNC KEYBOARD CONTROL BOARD A98L-0001-0621/02 N860-3141-T001

HYGROMATIK CIRCUIT BOARD CARD MODULE EM2 B-2525160 E-2525121

BIERREBI CIRCUIT BOARD CARD BRB-2073 BRB2073 2.028.01.207.01

ALLEN BRADLEY CIRCUIT BOARD 314081-A01 314081A01