详细介绍:
1746-HSCE
1746-HSCE
1746-HSCE
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可编程控制器,英文称ProgrammableLogicController,简称PLC。PLC是基于电子计算机,且适用于工业现场工作的电控制器。它源于继电控制装置,但它不像继电装置那样,通过电路的物理过程实现控制,而主要靠运行存储于PLC内存中的程序,进行入出信息变换实现控制。
PLC基于电子计算机,但并不等同于普通计算机。普遍计算机进行入出信息变换,多只考虑信息本身,信息的入出,只要人机界面好就可以了。而PLC则还要考虑信息入出的可靠性、实时性,以及信息的使用等问题。特别要考虑怎么适应于工业环境,如便于安装,抗干扰等问题。
1.1实现控制要点
输入输出信息变换、可靠物理实现,可以说是PLC实现控制的两个基本要点。
输入输出信息变换靠运行存储于PLC内存中的程序实现。PLC程序既有生产厂家的系统程序(不可更改),又有用户自行开发的应用(用户)程序。系统程序提供运行平台,同时,还为PLC程序可靠运行及信号与信息转换进行必要的公共处理。用户程序由用户按控制要求设计。什么样的控制要求,就应有什么样的用户程序。
可靠物理实现主要靠输人(INPUT)及输出(OUTPUT)电路。PLC的I/O电路,都是专门设计的。输入电路要对输入信号进行滤波,以去掉高频干扰。而且与内部计算机电路在电上是隔离的,靠光耦元件建立联系。输出电路内外也是电隔离的,靠光耦元件或输出继电器建立联系。输出电路还要进行功率放大,以足以带动一般的工业控制元器件,如电磁阀、接触器等等。
I/O电路是很多的,每一输入点或输出点都要有一个I或O电路。PLC有多I/O用点,一般也就有多少个I/O用电路。但由于它们都是由高度集成化的电路组成的,所以,所占体积并不大。
输入电路时刻监视着输入状况,并将其暂存于输入暂存器中。每一输入点都有一个对应的存储其信息的暂存器。
输出电路要把输出锁存器的信息传送给输出点。输出锁存器与输出点也是一一对应的
这里的输入暂存器及输出锁存器实际就是PLC处理器I/O口的寄存器。它们与计算机内存交换信息通过计算机总线,并主要由运行系统程序实现。把输人暂存器的信息读到PLC的内存中,称输入刷新。PLC内存有专门开辟的存放输入信息的映射区。这个区的每一对应位(bit)称之为输入继电器,或称软接点。这些位置成1,表示接点通,置成0为接点断。由于它的状态是由输入刷新得到的,所以,它反映的就是输入状态。
输出锁存器与PLC内存中的输出映射区也是对应的。一个输出锁存器也有一个内存位(bit)与其对应,这个位称为输出继电器,或称输出线圈。靠运行系统程序,输出继电器的状态映射到输出锁存器。这个映射也称输出刷新。输出刷新主要也是靠运行系统程序实现的。这样,用户所要编的程序只是,内存中输入映射区到输出映射区的变换,特别是怎么按输入的时序变换成输出的时序。这是一个数据及逻辑处理问题。由于PLC有强大的指令系统,编写出满足这个要求的程序是完全可能的,而且也是较为容易的。
ALLEN BRADLEY 1395-B73-D2-P10 DC CONTROLLER, 50 HP A-B 1395, CM
Refurbished Allen Bradley PowerFlex 700H, 200HP, CAT: 20C E 208 A 0 ANNBNN0
NOS! ALLEN-BRADLEY PLC-5/60 PROCESSOR MODULE 1785-L60L 1785L60L SERIES C
NIB Allen Bradley 509-FOD A2N Nema Size 5 Starter/manual Reset 120V 3 Phase
IN BOX ALLEN-BRADLEY 50HP DC DRIVE 1397-B050R-HA2-L11
Allen-Bradley 75 HP 1395 Regenerative DC Drive 1395-B75-C3-P10-P51 1YR WRTY
ALLEN-BRADLEY 20BE144A0ANNAND0 POWEWRFLEX 700
ALLEN BRADLEY PV1400 2711-T14C15 2711T14C15 PANELVIEW 1400 NIB
ALLEN BRADLEY PV1000 2711-K10G3 2711K10G3 2711-K10G3X SER C NIB
ALLEN BRADLEY PV1000 2711-K10C9L1 2010 2711K10C9L1 RS-232 (DH485) NIB
ALLEN BRADLEY PV1000 2711-K10C9 2009 2711K10C9 RS-232 (DH485) NIB
ALLEN BRADLEY PV PLUS 2711P-B12C4A1 2008 2711PB12C4A1 NIB
ALLEN BRADLEY PV PLUS 1250 2711P-T12C4D7 2007 2711PT12C4D7 2711P-T12C4D1 NIB
ALLEN BRADLEY CENTERLINE 2100 MCC 3 SECTION 1200A EATON MAIN HND312T33W
ALLEN BRADLEY 2711-T10G8 2711T10G8 PANELVIEW PV1000 DH+ NIB
ALLEN BRADLEY 2711-T10G20 2711T10G20 SER E FRN 4.46 NIB 2007
ALLEN BRADLEY 2711-K10G20L1 2711K10G20L1 NIB SER D 2007
ALLEN BRADLEY 20F14ND156AA0NNNNN 125HP POWERFLEX 753
Allen Bradley 1785-L80E /E PLC-5/80E EtherNet Controller 100K Word E.2
Allen Bradley 1771-IFMS /A PLC-5 Intrinsically Safe Fast Input 0-50mV
ALLEN BRADLEY 1771-DMC4 CONTROL COPROCESSOR 1771DMC4 NIB
Allen Bradley 1336E-R125-AA-EN 125 HP Impact force Variable Speed Drive B125
MINT Allen Bradley 20CJ730N0ANNNNB0 Series A DC PowerFlex 700H 600HP
ALLEN-BRADLEY STAINLESS STEEL I/O CABINET, UN!
ALLEN-BRADLEY SLC500 PLC UN STAINLESS STEEL REMOTE I/O CABINET
ALLEN-BRADLEY SLC500 PLC STAINLESS STEEL HOFFMAN ENCLOSURE REMOTE I/O CABINET…
ALLEN-BRADLEY SLC500 PLC REMOTE I/O IN STAINLESS STEEL CABINET UN!
ALLEN-BRADLEY 20SD400NEN POWERFLEX SCR BUS SUPPLY 3Ø 187V-528V 300-450A (14B4)
Allen-Bradley 20BD156A3AYNAND0 125 HP PowerFlex 700 VS Drive 480V AB 125HP 100HP
ALLEN-BRADLEY 1785-BEM/B BACKUP EXPANSION MODULE. 407370
Allen-Bradley 1775-MEF One Year Warranty !
Allen-Bradley 1502-A4C3D1 Air Contactor
Allen Bradley Three Section Model 2100 Motor Control Center with buckets
ALLEN BRADLEY SLC500 HOFFMAN STAINLESS STEEL I/O CABINET
Allen Bradley Size 8 509-JOB Series B 900 HP / 1215 Amp Starter 480V AB Sz Motor
Allen Bradley Rockwell AC Drive #A-B20BD125A0ANNAND0 Power-Flex 3 Ph 125 Amp BD
Allen Bradley PowerFlex 700 200HP VFD 480v (Free Shipping)
ALLEN BRADLEY PANELVIEW 1400 TOUCHSCREEN 2711-T14C8 2711T14C8 2711-T14C8X
ALLEN BRADLEY PANELVIEW 1400 TOUCHSCREEN 2711-T14C3 2711T14C3 2711-T14C3X
ALLEN BRADLEY PANELVIEW 1400 2711-T14C8 2711T14C8 2711-T14C8X
ALLEN BRADLEY PANELVIEW 1400 2711-T14C3 2711T14C3 2711-T14C3X LCD DISPLAY
ALLEN BRADLEY MPL-B980D-MJ22AA MPLB980DMJ22AA
ALLEN BRADLEY Motor Control Center 2100 2 Section Disconnect Box 600 VAC 480 V
ALLEN BRADLEY INPUT MODULE 1771-IXE SER.D DATE CODE:08/07 *FACTORY SEALED*
Allen Bradley IMC-S Class IMCS 4100 4100-232RL controller with 12 month warranty
Allen Bradley Four Section Model 2100 Motor Control Center 400 Amp Main
Allen Bradley Ethernet PLC-5 Controller 1785-L40E/F Ser. F F/W Rev A.2 96493273
Allen Bradley Drive - 1336F-B075-AE-EN
Allen Bradley DC Controller 1395-B80-EN-P7-X2 Ser B #56567
Allen Bradley Centerline 2100 Motor Control Center 150 HP Drive Section
Allen Bradley AC Drive, 200HP, 20BD248A3ANNAND1,Powerflex 700,480 VAC,IP20,
Allen Bradley AC DRIVE Powerflex 753 60HP 60 HP ND 20F1ANE063AA0NNNNN * 2014*
ALLEN BRADLEY AB 1785-L60L SER. E 1785L60L E PLC PROCESSOR
ALLEN BRADLEY 96635301 96635301
ALLEN BRADLEY 8720-MC-RP-S065-VB-M 8720MCRPS065VBM
ALLEN BRADLEY 8520-DSP-EXEC1-L15S 8520DSPEXEC1L15S
ALLEN BRADLEY 8510-AA-11A2 8510AA11A2
ALLEN BRADLEY 8410-MPNL 8410MPNL
ALLEN BRADLEY 803-A12 803A12
Allen Bradley 800A 2500-7200 V Vacuum Contactor Motor Starter 5kV 1502-VC8DXDA-1
Allen Bradley 6180-FNHFGLBNHCZ Industrial Panel Computer 6180NHFGLBNHCZ Series B
ALLEN BRADLEY 6170-EDFE1A1EBZZ 6170EDFE1A1EBZZ
ALLEN BRADLEY 6170-EDD1A1EBZZ/A 6170EDD1A1EBZZA
ALLEN BRADLEY 6160-PCN1 6160PCN1
ALLEN BRADLEY 5370-CVIM2 5370CVIM2
ALLEN BRADLEY 5250-MLP2 5250MLP2
ALLEN BRADLEY 505-GOD-23 SER. C SIZE 6 REVERSING STARTER 505GOD23
Allen Bradley 505FOD **GENUINE** AB 505 FOD
Allen Bradley 500LGOD93 NSNP **GENUINE** AB 500L GOD93
Allen Bradley 500LGOA93 **GENUINE** AB 500L GOA93
ALLEN BRADLEY 500-GOA-930 500GOA930
Allen Bradley 5 kV, 800 amp vacuum contactor, cat #1502-V806D1
ALLEN BRADLEY 4100-234-RL 4100234RL
ALLEN BRADLEY 4100-214-RL 4100214RL
ALLEN BRADLEY 4100-212-R 4100212R
ALLEN BRADLEY 4100 IMC S-CLASS COMPACT 4100-232-RL 4100232RL
Allen Bradley 4100 234 RL, 4 Axis Motion Controller
ALLEN BRADLEY 3130-A2 SER.A W/ 4 NDI86-8/110V **
ALLEN BRADLEY 2750-AH 2750AH
ALLEN BRADLEY 2711-T10G8 SER. C REV. C FRN 4.43 OPERATOR INTERFACE * IN BOX*
ALLEN BRADLEY 2711-T10C3L1 2711T10C3L1
ALLEN BRADLEY 2711P-T12C4D7 2711PT12C4D7
Allen Bradley 2711P-K10C4D7 Panelview Plus 2711PK10C4D7 Factory Sealed Series A
ALLEN BRADLEY 2711P-B15C4D1 2711PB15C4D1
ALLEN BRADLEY 2711P-B12C15D2 2711PB12C15D2-----------------------------------------------------------
ALLEN BRADLEY 2711-K10G20 2711K10G20 2711-K10G20X EXCELLENT
ALLEN BRADLEY 2711-K10G1 2711K10G1
ALLEN BRADLEY 2711-K10C8L1 2711K10C8L1
ALLEN BRADLEY 2711-K10C8 2711K10C8
ALLEN BRADLEY 2711-K10C15L1 2711K10C15L1
ALLEN BRADLEY 2711E-T14C6 SER E PANELVIEW 1400E * IN A BOX*
ALLEN BRADLEY 2711E-K10C15 2711EK10C15
ALLEN BRADLEY 20G11ND077AA0NNNNN 20G11ND077AA0NN1
Allen Bradley 20F1AND156AA0NNNNN
ALLEN BRADLEY 20DD077A0NNNACANE 20DD077A0NNNACAN
ALLEN BRADLEY 20D-D065A0EYNANCSL 20DD065A0EYNANCS
ALLEN BRADLEY 20BD180A3ANNACA0/A POWERFLEX 700 AC DRIVE 150HP 480VAC **XLNT**
ALLEN BRADLEY 20BD156A3AYNADN0 SERIES A AC DRIVE * IN A BOX*
ALLEN BRADLEY 20BD125A3ANNAND0 SERIES B AC DRIVE * IN A BOX*
ALLEN BRADLEY 20BD096A3ANNAND0NNAX 20BD096A3ANNAND0
Allen Bradley 20BD096A3ANNANC0 /B PowerFlex 700 AC Drive 480V 96A 75HP, Read!
ALLEN BRADLEY 1785-V80B 1785V80B PLC-5/V80B
ALLEN BRADLEY 1785-L80E SER E 1785L80E ETHERNET CONTROLLER
ALLEN BRADLEY 1785-L80E SER E 1785L80E ETHERNET
ALLEN BRADLEY 1785-L80C 1785L80C
ALLEN BRADLEY 1785-L80B C PLC-5/80 PROCESSOR MODULE
Allen Bradley 1785-L60L/E PLC-5/60 Processor Module REV H01
ALLEN BRADLEY 1785-L60B/E SERIES P01 PLC-5/60 PROCESSOR MODULE,
ALLEN BRADLEY 1785-L60B/E 1785L60BE
ALLEN BRADLEY 1785-L40L/E 1785L40LE
ALLEN BRADLEY 1785-L40E 1785L40E
ALLEN BRADLEY 1785-L30B 1785L30B
ALLEN BRADLEY 1785-L20E/F 1785L20EF
ALLEN BRADLEY 1784-T37AC 1784T37AC
ALLEN BRADLEY 1774-RP3 1774RP3
ALLEN BRADLEY 1774-LP1 1774LP1
ALLEN BRADLEY 1771-VHSC 1771VHSC
ALLEN BRADLEY 1771-NOC 1771NOC
ALLEN BRADLEY 1771-NBV1 SER. C ANALOG MODULE DATE: 03/30/10 *FACTORY SEALED*
ALLEN BRADLEY 1771-CFM 1771CFM
ALLEN BRADLEY 1756-L75 1756L75
ALLEN BRADLEY 1756-L72 1756L72
ALLEN BRADLEY 1756-L64 1756L64
ALLEN BRADLEY 1756-L63XT -FS- 1756L63XT
ALLEN BRADLEY 1756-L62S 1756L62S
ALLEN BRADLEY 1756-L61S 1756L61S
ALLEN BRADLEY 1756-L55M22 1756L55M22
ALLEN BRADLEY 1756-L55M12 1756L55M12
Allen Bradley 1746-QS /A FRN 1.20 SLC 500 Synchronized Axes Control Module
ALLEN BRADLEY 150-B97NBDB-8B 150B97NBDB8B
ALLEN BRADLEY 150-B180 MOTOR CONTROLLER W/OVERLOAD
ALLEN BRADLEY 150-B135NCD SERIES A * IN A BOX*
ALLEN BRADLEY 150-B135NBR 150B135NBR
ALLEN BRADLEY 150-A24NCDB 150A24NCDB
ALLEN BRADLEY 150-A135NCD 150A135NCD
Allen Bradley 150-A135NCD SMC Plus Soft Start Motor Controller 135A ! WOW !
ALLEN BRADLEY 1398-DDM-009X-DN 1398DDM009XDN
ALLEN BRADLEY 1395-B76-D3-P10-X1 1395B76D3P10X1
ALLEN BRADLEY 1395-B74-C2-P10 SERIES B **
ALLEN BRADLEY 1395-B72-C2-P50-X1 1395B72C2P50X1
ALLEN BRADLEY 1395-B72-C2-P10-P50 SERIES B * IN THE BOX*
ALLEN BRADLEY 1395-B65-D1-PZ 1395B65D1PZ
ALLEN BRADLEY 1395-B65-C1-P12 1395B65C1P12
ALLEN BRADLEY 1395-B63-D1-P50 1395B63D1P50
ALLEN BRADLEY 1395-A71-D2-P12-X1 1395A71D2P12X1
ALLEN BRADLEY 1395-A71-C2-P12 1395A71C2P12
ALLEN BRADLEY 1395-A69-D2-P12 1395A69D2P12
Allen Bradley 1394C-SJT10-T-RL Ser C F/W V3.9A AC SERVO CONTROLLER AXIS MODULE
Allen Bradley 1394C-SJT05-C | Tested with 12 month warranty
ALLEN BRADLEY 1392-B040-RF-MC-A-H-D1-F1-F4 1392B040RFMCAHD1
ALLEN BRADLEY 1391-DES45-DI-AQB 1391DES45DIAQB
ALLEN BRADLEY 1387-AOB145-A73 1387AOB145A73
ALLEN BRADLEY 1386-S4-4A-0B 1386S44A0B
ALLEN BRADLEY 1336VT-B050-EAS-FA2-L1 1336VTB050EASFA2
ALLEN BRADLEY 1336T-MCB-SP51B 1336TMCBSP51B
ALLEN BRADLEY 1336T-B100-AN-GT2EN-L6 1336TB100ANGT2EN
ALLEN BRADLEY 1336S-B075-AN-EN 1336SB075ANEN
ALLEN BRADLEY 1336S-B060-AN-EN4 SER.D 60hp 60 hp 1336S 8060 AN EN4 1336SANEN4
ALLEN BRADLEY 1336S-B040-AA-EN4-GM1-HA2-L6E SERIES D **
ALLEN BRADLEY 1336S-B030-AJ-EN5-GM1-HJP-L6 SERIES D AC DRIVE UNIT 30HP, *
ALLEN BRADLEY 1336S-B030-AA-EN4 SERIES D * OUT OF BOX*
ALLEN BRADLEY 1336-QOUT-SP17A 1336QOUTSP17A
ALLEN BRADLEY 1336F-BX060-AX-EN-L6 1336FBX060AXENL6
ALLEN BRADLEY 1336F-BX040-AX-EN-HCS1-L4 1336FBX040AXENHC
Allen Bradley 1336F-BP350-AN-CM-EN-L6 1336 Plus II 350HP AC Drive 1336FBP350
ALLEN BRADLEY 1336F-B30-TCS313-32A SERIES A DRIVE **
ALLEN BRADLEY 1336F-B200-AN-EN-L6 SERIES A, AC DRIVE 200 HP (ACD001)
ALLEN BRADLEY 1336F-B100-ANEN 1336FB100ANEN
ALLEN BRADLEY 1336F-B060-AN-EN-L6 1336FB060ANENL6
ALLEN BRADLEY 1336F-B060-AA-EN 1336FB060AAEN
ALLEN BRADLEY 1336F-B040-AN-EN 1336FB040ANEN
ALLEN BRADLEY 1336F-B030-AN-EN-HAS2-L6 *REMAN*
ALLEN BRADLEY 1336F-B030-AA-EN-HCS2-L8E 1336FB030AAENHC3
ALLEN BRADLEY 1336F-B025-AN-EN-HCSP-L6 1336FB025ANENHCS
ALLEN BRADLEY 1336F B150 AN EN L6 SERIES A, AC DRIVE 200 HP (ACD006)
ALLEN BRADLEY 1336E-BX040-AN-EN-HA2 1336EBX040ANENHA
ALLEN BRADLEY 1336E-B050-AE-EN-HA2-L8E 1336EB050AEENHA2
ALLEN BRADLEY 1336-BDB-SP69D SER.C PCB, GATE BOARD * IN A BOX*
ALLEN BRADLEY 1336-BDB-SP24D 1336BDBSP24D
ALLEN BRADLEY 1336-B050-EOG-S1 1336B050EOGS1
ALLEN BRADLEY 1336-B050-EOG-FA2 1336B050EOGFA2
ALLEN BRADLEY 1336-B030-EAF-FA2 1336B030EAFFA2
ALLEN BRADLEY 1336-B025-EOF-FA2-L3 1336B025EOFFA2L3
ALLEN BRADLEY 1336 PLUS II SENSORLESS VECTOR DRIVE 1336F-BX060C-AJ-HJ2C-LT
ALLEN BRADLEY 1327AABC25-H SERIES A HIGH PERFORMANCE AC MOTOR 1327AABC25H
ALLEN BRADLEY 1326AB-B740C-S2L SERIES B * NO BOX*
ALLEN BRADLEY 1326AB-B530E-21-Z13 1326ABB530E21Z13
Allen Bradley 1100AOA93 **GENUINE** AB
AB Allen Bradley 1336 350hp 460V vfd drive Rockwell
42185-800-01 Allen Bradley Overload Relay
4 Sections ALLEN BRADLEY CENTERLINE 2100 SERIES 600A/300 480V 3Ø3W 400 amp main
23C-D022E103NNNANN-LR ALLEN BRADLEY DRIVES REMANUFACTURED
2014! SEALED* 1756-L75 /B Allen Bradley ControlLogix Processor 32MB WARRANTY
1785-L80E /F Allen Bradley PLC 5 EtherNet Processor 1785L80E 163G
1392-B100-RK-MC-A-D1-F1-F4 ALLEN BRADLEY SERVO AMPLIFIER REMANUFACTURED
1327AA-BB-30-G ALLEN BRADLEY AC SERVO SPINDLE REMANUFACTURED
1326AB-B740E-21-L ALLEN BRADLEY SERVO MOTORS
* SEALED* Allen-Bradley 1785-BEM Ser B PLC-5 Backup Communications Expansion
* Sealed* Allen Bradley 1785-L40L /E Series E PLC-5/40 Extended Local I/O
* SEALED* Allen Bradley 1785-L20E /F F/W A.2 PLC-5/20 EtherNet Controller 16K
现货特价1746-BASPLC 控制器宇创自动化特供
现货特价1746-BAS-TPLC 控制器宇创自动化特供
现货特价1746-BLMPLC 控制器宇创自动化特供
现货特价1746-BTMPLC 控制器宇创自动化特供
现货特价1746-FIO4IPLC 控制器宇创自动化特供
现货特价1746-FIO4VPLC 控制器宇创自动化特供
现货特价1746-HSCEPLC 控制器宇创自动化特供
现货特价1746-HSCE2PLC 控制器宇创自动化特供
现货特价1746-HSRVPLC 控制器宇创自动化特供
现货特价1746-HSTP1PLC 控制器宇创自动化特供
现货特价1746-INT4PLC 控制器宇创自动化特供
现货特价1746-NI16IPLC 控制器宇创自动化特供
现货特价1746-NI16VPLC 控制器宇创自动化特供
现货特价1746-NIO4IPLC 控制器宇创自动化特供
现货特价1746-NIO4VPLC 控制器宇创自动化特供
现货特价1746-NO8IPLC 控制器宇创自动化特供
现货特价1746-NO8VPLC 控制器宇创自动化特供
现货特价1746-NR4PLC 控制器宇创自动化特供
现货特价1746-NR8PLC 控制器宇创自动化特供
现货特价1746-NT4PLC 控制器宇创自动化特供
现货特价1746-NT8PLC 控制器宇创自动化特供
现货特价1746-QSPLC 控制器宇创自动化特供
现货特价1746-QVPLC 控制器宇创自动化特供
现货特价1746-FIO4VPLC 控制器宇创自动化特供
现货特价1746-HSCEPLC 控制器宇创自动化特供
现货特价1746-HSCE2PLC 控制器宇创自动化特供
现货特价1746-HSRVPLC 控制器宇创自动化特供
现货特价1746-HSTP1PLC 控制器宇创自动化特供
现货特价1746-INT4PLC 控制器宇创自动化特供
现货特价1746-NI16IPLC 控制器宇创自动化特供
现货特价1746-NI16VPLC 控制器宇创自动化特供
现货特价1746-NIO4IPLC 控制器宇创自动化特供
现货特价1746-NIO4VPLC 控制器宇创自动化特供
现货特价1746-NO8IPLC 控制器宇创自动化特供
现货特价1746-NO8VPLC 控制器宇创自动化特供
现货特价1746-NR4PLC 控制器宇创自动化特供
现货特价1746-NR8PLC 控制器宇创自动化特供
现货特价1746-NT4PLC 控制器宇创自动化特供
现货特价1746-NT8PLC 控制器宇创自动化特供
现货特价1746-QSPLC 控制器宇创自动化特供
现货特价1746-QVPLC 控制器宇创自动化特供
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