福建中立恒自动化设备有限公司
一、摘要 PLC是一种专门在工业环境下应用而设计的数字运算操作的电子装置。
它采用可以编制程序的存储器,用来在其内部存储执行逻辑运算、顺序运算、计时、计数和算术运算等操作的指令,并能通过数字式或模拟式的输入和输出,控制各种类型的机械或生产过程。PLC及其有关的外围设备都应按照易于与工业控制系统形成一个整体,易于扩展其功能的原则而设计。在工业生产的各个领域,机械加工企业为了提高生产效率,采用机械化流水作业的方式,对不同类型的零件分别组成的自动生产线。随着产品机型的更新换代,生产线承担的加工对象也随之改变,这就需要改变控制程序,使生产线的机械设备按新的工艺过程运行,而继电接触器控制器系统是采用固定接线,很难适应这个要求。大型自动生产线的控制系统使用的继电器数量很多,随着PLC的应用日益普及,其使用方法简单,便于掌握,且可靠性,抗干扰性很强,自身具有完善的功能.模块化的结构,使其在工业生产线上的应用越来越广泛。
发展趋势:1.向高速度、大容量方向发展
为了提高PLC的处理能力,要求PLC具有的响应速度和更大的存储容量。目前,有的PLC的扫描速度可达0.1ms/k步左右。PLC的扫描速度已成为很重要的一个性能指标。
在存储容量方面,有的PLC可达几十兆字节。为了扩大存储容量,有的公司已使用了磁泡存储器或硬盘。
2.向超大型、超小型两个方向发展
当前中小型PLC比较多,为了适应市场的多种需要,今后PLC要向多品种方向发展,特别是向超大型和超小型两个方向发展。现已有I/O点数达14336点的超大型PLC,其使用32位微处理器,多CPU并行工作和大容量存储器,功能强。
Nuovo SANYO MACHINE WORKS SGN-DR2-100 QN172-10 Nutrner Guida SGNDR2100 QN17210
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Usato FANUC A16B-3200-0361 Scheda Principale A16B-3200-0361/07A A16B32000361
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CHIRON 1017244 FLANGE ASSEMBLY C-1017244 111-4300000389 SK40/HSK-A63 MBK
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INGERSOLL DRESSER 5GA ROTARY PUMP 1.5"
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INGERSOLL RAND PAVEMENT BREAKER PB50AS-STD 52085628
WHEDCO 78005773 /9907 DRIVE BOARD 780057739907
23S20R GEAR REDUCER 20:1
AMBAFLEX 80010810 CHAIN 16' 5MTR 1M STEEL CHAIN TPS2 HF 1
ABB 3HAB2242-1 CPU CONTROL BOARD 3HAB22421
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ABB 3HAC14549-1/03B RECTIFIER MODULE 3HAC14549103B
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ADVANTECH PCM-4862 CPU BOARD PCM4862
GLZ JENSEN HPU-IV/10025324 CONTROL BOARD REV A HPUIV10025324 2006-37
SIEMENS 6FM1470-4BA20 PROCESSOR 6FM14704BA20
WESTINGHOUSE 4256A08G01 CIRCUIT BOARD
MOOG 77-159 SERVO VALVE 77159
GENERAL ELECTRIC DS3800NCIB CURRENT ISOLATOR CARD
SIGMA 5RS-22633 RELAY 5RS22633
WHEDCO 78005773/9907 Drive Plate 780057739907
Nuovo Ingersoll Rand da Pavimento Interruttore PB50AS-STD 52085628
Nuevo SIGMA 5RS-22633 Relé 5RS22633
Neuf SIGMA 5RS-22633 Relais 5RS22633
Usato WHEDCO 78005773/9907 Guida Tavola 780057739907
Ingersoll Rand Sidewalk Switch PB50AS-STD 52085628
JOHN CRANE 08973C0102 SEAL ASSEMBLY
GE DS3800DGRD1C1ABA01 BOARD DS3800DGRD1C1A, DS3800DGRD
FISHER ROSEMOT 3051-CG5A22A2AB4M5 TRANSMITTER 3051CG5A22A2AB4M5
DUPLOMATIC PRA-50-100 TGB/21 T-GL TOOL HER PRA50100TGB21TGL
RELIANCE ELECTRO-CRAFT E723 MOTOR 0723-01-045 REV. G 072301045
ROSEMOT 3051CD0A02A1AH2BCE5M5L4 PRESSURE TRANSMITTER 5924543
SIEMENS 6SN1146-1AB00-0BA1 SERVO DRIVE 6SN11461AB000BA1
SIEMENS 6SN1146-1AB00-0BA1 SERVO DRIVE 6SN11461AB000BA1
ROSEMOT 1151DP5E12M1 PRESSURE TRANSMITTER
WESTINGHOUSE 4256A04G01 PC BOARD
SCHNEIDER KREUZNACH HVM 061-001-1300-2B SERVO VALVE D-55543 HVM06100113002B
MODICON AS-B243-105 ANALOG INPUT MODULE ASB243105
SIEMENS 6FC5403-0AA20-1AA0 SINUMERIK HT8 W/ HANDWHEEL 6FC54030AA201AA0
ITOH PM486FE-45-544-D-024-C100-P2 DRIVE ROLLER
GF2524BG SPEED REDUCER F-924-25-B7-G 25:1
HEIDENHAIN 387089-11 LINEAR ENCODER LC192F 1240MM 38708911
CONTROL TECHNIQUES 960100-03A6 SERVO MOTOR 96010003A6
RED VALVE 3791206 MANUEL PINCH VALVE 2" SERIES 75
Usato INDUCTOHEAT 31035-251 Controllo Tavola 31035251
Nuovo COSMO DP-340BA Digitale Manometro DP340BA
Nuevo John Crane 08973C0102 o Montaje
Nuovo FENNER CONTREX M-DRIVE-4E Dc Guida MDRIVE4E
Nuovo SIEMENS 7ME61101VA202AA2 Sitrans F M Mag 1100 Sensore FMMAG1100
Nuovo WESTINGHOUSE 4256A08G01 Scheda Circuiti
Riparato ALLEN BRADLEY 1395-145472 Adattatore Assemblaggio 1395145472
Neuf GENERAL ELECTRIC DS3800NCIB Actuel Isolant Carte
Neuf GE DS3800DGRD1C1ABA01 Board DS3800DGRD1C1A, DS3800DGRD
Neuf COSMO DP-340BA Numérique Pression Jauge DP340BA
Neuf VIDEO JET 36482 Monobloc Assemblage 501
Nuovo RY120 Motoriduttore 120VAC/125VDC
Neuf Omron ZFV-SC150 Smart Capt
Neuf Scellé ALLEN BRADLEY 1336-SCR-SP15A Scr Entrée Ser.a 1336SCRSP15A
Nuovo John Crane 08973C0102 Sigillare Assemblaggio
FANUC A16B-3200-0361 MAIN BOARD A16B-3200-0361/07A A16B32000361
BENTLY NEVADA 3300/50-01-01-01-00 TACHOMETER MONITOR 33005001010100
SANYO MACHINE WORKS SGN-DR2-100 QN172-10 Nutrner Side SGNDR2100 QN17210
Neuf WESTINGHOUSE 4256A08G01 Circuit Board
Neuf RELIANCE ELECTRIC TGF-1810-147-A Tachéomètre 80256 TGF1810147A
Usato RELIANCE 803624-77A Scheda Circuiti 80362477A
Usato ABB 3hac14549-1/03b Raddrizzatore Modulo 3HAC14549103B
Usato LEEDS NORTHRUP 056853 Speedomax CPU
Usato WESTINGHOUSE 4256A04G01 PC Tavola
LEEDS NORTHRUP 056853 Speedomax Processor
CHIRON 1017244 Flanges Moting C-1017244 111-4300000389 SK40/HSK-A63 MBK
Nuevo GE Fanuc IC3600LTDA1C TIME DELAY BOARD
ABB BAILEY BRC-100 HARMONY BRIDGE CONTROLLER P-HC-BRC-10000000 BRC100
Usado WHEDCO 78005773/9907 Drive Tabla 780057739907
PARKER SINCLAIR COLLINS C284-20031 VALVE C28420031 40 PSI MAX
REPAIRED ALLEN BRADLEY 1395-145472 ADAPTER ASSEMBLY 1395145472
RELIANCE ELECTRIC 86475-20R RECTIFIER STACK 410403-24AWL 8647520R
ODRIVE RF27DRE80M4/TF GEARMOTOR 15.63:1 230/460V
STELLARNET INC SL1 LIGHT SOURCE
HONEYWELL 51401288-100 PC BOARD HPK2-2MW 51401288100
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