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PLC是按集中输入、集中输出，周期性循环扫描的方式进行工作的。它的中心工作过程分输入采样阶段、程序执行阶段、输出刷新阶段。
在输入采样阶段，首先扫描所以输入端子，并将各输入状态存入相对应的输入映像寄存器中，此时输入映像寄存器被刷新，它与外界隔离，其内容保持不变，直到下一个扫描周期的输入采样阶段。
在程序执行阶段，PLC按从左到右、从上到下的步骤顺序执行程序。
在输出刷新阶段中，元件映像寄存器中所有输出继电器的状态一起转存到输出锁存器中，通过一定方式集中输出，后经过输出端子驱动外部负责，在下一个输出刷新阶段开始之前，输出锁存器的状态不会改变。
ATKINSON DYNAMICS AD-27
ATKINSON DYNAMICS AD-27
CKD PV5-6-FG-S-3 SOLENOID VALVE 24VDC
ALKON 375-67T-E81-67T-1 W/ (2) 26A01039 COILS 120/60
DENIPRO 31212012.002 SOLENOID VALVE W/ MAC 130B-611JM 24VDC 8.5W ARO444 JEF2-450-FVM-DOP-SA
PARKER H2EWXBG619000FB VALVE 145 PSI MAX NIB
MOORE NULLMATIC CONTROLLER 502, 11581-20S6ZK
ITT INDUSTRIES S-A204 PURE-FLOW ADVANTAGE ACTUATOR W/ DIAPHRAGM PTPE, MAX: 90PSI
NIB ASCO 8215-G10-120 , PIPE: 3/8'', WATTS: 10.1
THERMOSEAL SEALEX PTFE JOINT SEALANT 3/16" X 75FT
NIB VICKERS 02-134568 SOLENOID COIL 24VDC, 1.6AMP
WORCESTER FLOWSERVE R2CWP1000 BALL VALVE 1-1/2" SWT 11/2 4416PETE, 4416PMTE
PENINSULAR CP16150, 250 PSIG MAX PNEUMATIC CYLINDER BORE: 1.5, STK: 7
FESTO MDH-5/2-D-1-FR-M12-C SOLENOID VALVE MDH-3/2-24VDC-M12-LED
NIB JOHNSON CONTROL T-5500-1055 TEMPERATURE RECEIVER GAUGE 3.5", 40-240 F
AIROYAL DIVISION H3111-1/2X1
VICKERS TA07BABA 1AA00C00 J 99 8 I CYLINDER 1X.5X.75 250PSI
NIB HONEYWELL V9-60-S016
NUMATICS 082RS415J026B00
ADVANCE AUTOMATION 120 AIR
PARKER B32VBC553C AIR CONTROL SOLENOID VALVE 150 PSI W/OUT
REXROTH ZDR-6DA2-43/25Y PRESSURE RELIEF VALVE 00410808
PARKER D1VW2EJJF VALVE 24VDC 1.0A D1VW2EJJF-59
PARKER SS40002501 SOLENOID VALVE 1/4" 20-150 PSIG 120/60-110/50 7.2W
SMC CDA2B80-50 TIE-ROD CYLINDER 80mm BORE, FULL MODEL CDA2L80-50-Y59BLS
NORGREN X3-0644-02 SUPER X IN
NUMATICS 122BB4B2MG00061 150 PSIG-AIR ISO15407 S/B DBL PLGN 1/4G
NIB DAYTON 5XA54 LEVER ACTION PUMP 20oz 36''
FESTO MFH-5/3G-D-1-B SOLENOID VALVE 10BAR, 145PSI MFH-5/3G-D-1 B
SKINNER V9CSN13D 4 WAY
SKINNER V935DB2100 4 WAY
NIB PARKER PK2002A001
PETER PAUL EH22K9DCCML SAFETY VALVE 120V, 60HZ, 7.3W, 300PSI, 2MPA, SER. NZ
JAGENBERG DLV6 COMPRESSED AIR DISTRIBUTOR C-962045 3346120 / 3861.10480
VICKERS XG-03-3F-21 REDUCING VALVE 150-2850PSI MAX
NUMATICS I24RQ115JP00000 REGULATOR VALVE I23RQ100JP00000 W/ 214-103
SMC US7437 AIR CYLINDER MAX. PRESS 140 PSI 1.00 MPa
SMC VFS3300-1FZ-03 SOLENOID CYLINDER SUPPLY PRESS. 0.1-1.0 MPa
PARKER 01.50 J2AN 19A 1.000 PNEUMATIC CYLINDER 250PSI
PARKER 13771-20-20 SWIVEL ADAPTER FITTING 45 DEG. ELBOW 1-1/4"
VUOTOTECNICA ART. 15 01 10 SINGLE
PHD INC. ML302847 ROTARY ACTUATOR CYLINDER 03438713-02,
NIB WIKA 9834885 PROCESS GAUGE TYPE: 232.34 4.5'' RANGE: 600PSI CONN: 1/2'' NPT
NUMATICS 152SA4002011B30 SOLENOID VALVE 0.11AMP WITH 228-694B COIL 0.12 AMP
RA PEARSON A095422 PNEUMATIC CYLINDER 01.50 BORE 4.000 STROKE 250PSI
VERSA ASG-4232-70-120V60 SOLENOID VALVE 20-135PSI, 12W
NIB ASCO 8317B23 SOLENOID VALVE 120/60 - 110/50, 1/4 PIPE, 11 WATTS, 5-125PSI
WARD (5) 1-3/4" NPT (1) 1-1/2" NPT
WATTS REGULATOR 800M4QT PRESSURE VACUUM BREAKER 1/2" 150PSI MAX
NUMATICS 122BB63AMG00061 CYLINDER W/ 24VDC COIL REPL. NO. 122BB600M000061
KUNKLE 6010EEM01-LMSAFETY PRESSURE RELIEF VALVE 1" X 1" NPT6010EEM01LM
REXROTH 577.607.0002 VALVE 5776070002 45.99
SMC CM2C40-85A CYLINDER ROUND BODY,4" STROKE, 1-1/2" BORE, 1/2" NPT
NIB MAC 921B-PM-551CA SOLENOID VALVE MAC921BPM551CA, WATTS:6.0, 25 TO 150 PSI
PETER PAUL 0E23Z00011CCM VALVE 7.3W,150PSI, ORIFICE 3/64 3/32, SER. EQ
NORGREN MK01GEA74AMPA G NUGGET 100 W/ 54473-01 & GASKETW/ HARDWARE
FESTO ADVU-32-90-A-P-A-S6 PNEUMATIC CYLINDER COMPACT ADVU3290APAS
NIB NUMATICS GD010 DIFFERENTIAL
NIB FLOWSERVE GE214-C276 PUMP DIVISION SHAFT BY58226A-C276
NACHI OCP-G01-A1-20 MODULAR
NIB PARKER 12F23C2148ACF UNIT VALVE 3/4'' NPT 3/4''
NIB ASHCROFT 451279SS02LXC4LL DURAGUAGE PLUS, 3000
CKD SSD-T-50-20 COMPACT
VERSA KSG-4232-JB1-24VDC SOLENOID VALVE 24VDC, PSI 40-175, 6W
NIB MAC VALVES PR63D-4AAA
MAC VALVES 82A-AC-000-TM-DDAP-1DA AIR FLOW VALVE W/ TM-DDAJ-1DA
NIB SMC 10-CDQSB16-10D PNEUMATIC
NIB ASCO 8320G089 SOLENOID VALVE 120/60,110/50, 1/4
FESTO ADVU-16-40-A-P-A COMPACT
NIB NORGREN V62S511AA313JB
NIB SUN HYDRAULICS PPFB-LDN
NIB ASCO 8314C6 SOLENOID VALVE 24/DC, 1/4 PIPE, 11.2 WATTS
NUMATICS 152SA SOLENOID VALVE,150PSIG, 110-120V,50/60HZ, .11AMPS
BOSCH 1824210104 SOLENOID VALVE COIL 24VWITH
DAIKIN MC-02P-05-65
ASCO JOUCOMATIC 541-00-753
NIB PARKER 71315SN2KN00N0C111P3 SOLENOID VALVE 110-120V 50/60HZ 10WATT 125PSI
ROBERT MFG 400-3/4-5 FLOAT VALVE 3/4" MISSING
NIB MAC 82A-FC-000-TM-DDAP-1DK SOLENOIDVALVE 24VDC 25-150PSI 5.4WATT
NUMATICS 152SS400K000061 VALVE 24VDC.25 AMPS, 228-690B COILS
NIB PARKER 92473874WOK
SEALED PARKER 71295SN2KNJ1N0C111P3 SOLENOID VALVE 110/120V, 50/60HZ
NIB DANFOSS 158G6010CHECK CARTRIDGE VALVE 3C600-5SV, 3C6005SV, 430E
NUMATICS 123BB500KP14D30 PNEUMATIC VALVE 150 PSI, W/ NUMATICS 236-384B
VICKERS DG4V-3S-2N-M-U-B5-60
NIB AAC ADVANCE AUTOMATION SERIES B&J, 120X6
PARKER 06E22A18AC FILTER REGULATOR 3/8'' 150 PSI (1000 kPa) 125 F (52 C)
NIB NORGREN L74M-3AP-QAN LUBRICATOR 250PSIG, 17BAR
NIB SCHOEDER KM150 STAINLESS
PARKER 02.50 CBB2ANU34AC 5.500
NIB PARKER 71235SN2MN00N0C111P3
FEDEGARI ELECTROVALVE 3/2 SOLENOID VALVE GM250264, MB6-V5, 400125-081, 3530048
AAA S02 SOLENOID VALVE 120 VOLTS, 60HZ,11 WATTS, 160 PSI
NIB HUCK 110440 HYD COUPLING ASSY, AEROQUIP FD35-SERIES-06
NIB KALLER TU/TC 1500 REPAIR
HYDRAULIK RING RVY-L-R 3/4" A2
CHIRON H59795210000
NIB PARKER 04F20C2118BCF4C15
CAJON SS-24-RB-20 2PCS STAINLESS
PARKER H1EWXBG2B9000FB SOLENOID VALVE 145PSI MAX 24 VDC W/ P2E-HS32C COIL 1.8W
NIB ZANDER PST-R 04/20 FILTER
NIB MAC 251B-111JA SOLENOID VALVE 150 PSI, 15W
MAC 6221C-000-PM-111DA SOLENOID VALVE W/ PME-111DABE
CLIPPARD AF-UDR-40-2-M COMPACT
PARKER SI5157 HYDRAULIC FLOW
HERION 25-416-00
HYSON T2-ISOSK-7500 TANKER 2 GAS
NIB MAC 6300D-511 CONTROL
NUMATICS 228-690B COIL VALVES 100-115/60, 110-120/60, .12AMPS
FESTO 2199 MCH-3-1/8 SOLENOID VALVE W/ 3599 MSG-24 COIL & B-12
MOSIER AIRSERV EJ2255A1 CYLINDER 2-1/2" BORE, 1" STROKE, 250 PSI
NUMATICS 152SA4002011B30 SOLENOID VALVE 0.11AMP WITH 228-694B COIL 0.12 AMP
NUMATICS A12SS DOUBLE SOLENOID VALVE 150PSI 110-120V 50/60HZ
SCHRADER BELLOWS 27R114BASB
ROSS W6576A3407 SOLENOID VALVE 1-10 BAR W/ 334-B33 COILS 24VDC, 3.5W
ROBERT JAMES 1''-316 BALL VALVE 1000 WOG, 8A03, 1" FLANGE E
NIB US SEAL PS-448
MAC 57C-52-RA
ASCO 238610-032D COILS MP-C-080 120/60, 110/50FT
NIB PARKER 08F74AB 1-1/2'' IN FILTER 250 PSIG, 18 BAR
SMC NCDMC106-0100C-B54L3-XC6 CYLINDER W/ THREE D-B54 (D-B51)
NIB NOSHOK 40.200 30INH20 1/4'' NPT BOTTOM CONN. PRESSURE GAUGE 0-30 DEG.
SMC NCDMC106-0100C-B54L-XC6 CYLINDER W/ TWO D-B54 (D-B51)
NIB PALL ULTIPOR III HC9020FKS4H HYDRAULIC FILTER ELEMENT FL41D/0307
NORGREN C0014B POPPETT VALVE W/MUFFLER INLET 300 PSIG MAX. TEMP 175 °F
SMC NVS4114-0009KP5 SOLENOID VALVE 150PSI MAX 120VAC 60HZ, W/ MANIFOLD
SMC CDQ2B63-70D CYLINDER DOUBLE ACTING 63MM BORE 70MM STROKE 145PSI 1.00MPa
BIMBA H-090.5-DZ HYDRAULIC CYLINDERS H-090 5-DZ, H0905DZ
HONEYWELL C437J1016 GAS PRESSURE SWITCH TYPE C437J
BOSCH PNEUMATIC CYLINDER MNI25
LUBE DEVICES LUBRICATOR ASSEMBLY 727-1
MILWAUKEE FIG. 590 150 S.W.P. 300 W.O.G. VALVE 2 1/4" NPT
NORGREN 1023274 PNEUMATIC CYLINDER A05-UM 250PSI 276158.20
MILWAUKEE 1169-1189 VALVE 2'' 150SWP 300WOG
SMC NVSP4226-0009F VALVE SOL/PILOT 110VAC
MAC 82A-EC-CKA-TM-DAAP-1DA SOLENOID VALVE W/ TM-DAAJ-1DA 5.4
NIB NUMATICS MVT30N06Y
NIB NOSHOK 30-110-025-0/250-F/C BIMETAL THERMOMETER 1/2" NPT 2.5"
BIMBA 313-DXPB CYLINDER 2" BORE 3"
NUMATICS 152SA402O011B30 SOLENOID VALVE .12 AMPS W/ 228-690B
ARO ANAQK-ABBA4-104
NORGREN X3029622 VALVE, SUPER X 5/2, LEVER S/ 1/8" NPT
NIB HENRY 5240X STRAIGHT THRU RELIEF VALVE 1/2''MPT X 3/4'' FPT 300 LBS
NUMATICS 081SS400M SOLENOID VALVE 150PSI 0.26 AMP WITH 225-285B COILS 6.3
NIB ASAHI 1609012 CPVC/EPDM T-21 1-1/4"
GRUVLOK 8" PIPE COUPLING FIG. 7001
NIB NUMATICS MVT30N06AY
VERSA ESM-3301-46-M-N-A120 , 100/50-120/60
SMC NVFA5220-02N AIR PILOT VALVE
SMC VS7-8-FG-D-1N SOLENOID VALVE AC100V
VERSA VSG-3321
SMC NVFSA2201-1-X24US
ALLEN BRADLEY 1785-LT PROCESSOR MODULE SER. B F/W REV: R P/N 96041878, 1785LTB
MAC VALVES 912A-PM-551BA 25-150PSI 12VDC 6 WATTS
REMBE 9809034 BURSTING DISKS ST-G-3/4" 10 BAR BEI 295 K
RANSBURG GEMA 15393-22
BECKHAM INDUSTRIES 1 1/4" SHUT OFF VALVE, MALE/MALE 11-905
NIB PARKER / TAIYO 10Z-2 SK32B260
NUMATICS 081SS500K013P SOLENOID VALVE AMPS: .75, 228-705B
EATON 1168X4 MALE CONNECTORS 1/4'' TUBE O.D. X1/8 MALE
SMC 24VDC-COM VALVES (UNKNOWN PART NUMBER)
NIB SUN HYDRAULICS CBEA-LIV COUNTERBALANCE VALVE 3:1 PILOT
