330180-51-05本特利
PLC产品种类繁多，其规格和性能也各不相同。对PLC的分类，通常根据其结构形式的不同、功能的差异和I/O点数的多少等进行大致分类。
1．按结构形式分类
根据PLC的结构形式，可将PLC分为整体式和模块式两类。
（1）整体式PLC 整体式PLC是将电源、CPU、I/O接口等部件都集中装在一个机箱内， 具有结构紧凑、体积小、价格低的特点。小型PLC一般采用这种整体式结构。整体式PLC由不同I/O点数的基本单元（又称主机）和扩展单元组成。基本单元内有CPU、I/O接口、与I/O扩展单元相连的扩展口，以及与编程器或EPROM写入器相连的接口等。扩展单元内只有I/O和电源等，没有CPU。基本单元和扩展单元之间一般用扁平电缆连接。整体式PLC一般还可配备特殊功能单元，如模拟量单元、位置控制单元等，使其功能得以扩展。
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（2）模块式PLC 模块式PLC是将PLC各组成部分，分别作成若干个单独的模块，如CPU模块、I/O模块、电源模块（有的含在CPU模块中）以及各种功能模块。模块式PLC由框架或基板和各种模块组成。模块装在框架或基板的插座上。这种模块式PLC的特点是配置灵活，可根据需要选配不同规模的系统，而且装配方便，便于扩展和维修。大、中型PLC一般采用模块式结构。
还有一些PLC将整体式和模块式的特点结合起来，构成所谓叠装式PLC。叠装式PLC其CPU、电源、I/O接口等也是各自独立的模块，但它们之间是靠电缆进行联接，并且各模块可以一层层地叠装。这样，不但系统可以灵活配置，还可做得体积小巧。
2．按功能分类
根据PLC所具有的功能不同，可将PLC分为低档、中档、高档三类。
（1）低档PLC 具有逻辑运算、定时、计数、移位以及自诊断、监控等基本功能，还可有少量模拟量输入／输出、算术运算、数据传送和比较、通信等功能。主要用于逻辑控制、顺序控制或少量模拟量控制的单机控制系统。
（2）中档PLC 除具有低档PLC的功能外，还具有较强的模拟量输入／输出、算术运算、数据传送和比较、数制转换、远程I/O、子程序、通信联网等功能。有些还可增设中断控制、PID控制等功能，适用于复杂控制系统。
（3）高档PLC 除具有中档机的功能外，还增加了带符号算术运算、矩阵运算、位逻辑运算、平方根运算及其它特殊功能函数的运算、制表及表格传送功能等。高档PLC机具有更强的通信联网功能，可用于大规模过程控制或构成分布式网络控制系统，实现工厂自动化
FARRAND 51 & 1/2" O.A.L. TAPE SPAR LINEAR SCALE 218052-15-1038
TOL-O-MATIC B3W LINEAR BELT DRIVE ACTUATOR WITH MOTOR, NNB
NSK 80" O.A.L. LINEAR BALL SCREW W5016-1987-C5Z 05L5-0005
INA LINEAR BEARING PR 14032 GR3, NIB
54" O.A.L. PRECISION BALL SCREW M-127
THOMSON ROUND LINEAR CASE SHAFT 25MMSOFTX1500MM?, NIB
THK CAM FOLLOWER CFH12MA / 350910 A NIB
THREAD CRAFT INC T-4073 COMMERCIAL BACKLASH BALL SCREW 50 OAL 2? DIA NIB
THOMSON ISO 9000 SUPER PILLOW BLOCK BEARING NIB SPB160PN
SAGINAW 31" LENGTH 3" DIAMETER SHAFT BALL SCREW, NO LABEL, SEE PHOTOS
LEAD SCREWS INTERNATIonAL 40" O.A.L. PRECISION BALL SCREW M447
THK 92" O.A.L. LINEAR MOTION SYSTEM YS 7F27
THREAD CRAFT INC T-6235 COMMERCIAL BACKLASH BALL SCREW 58 OAL 51 TRAV 2? DIA NIB
STAR 83.5" 28-HOLE LINEAR GUIDE RAIL 48-10-1608, RUST
94" O.A.L. PRECISION BALL SCREW C-246
DEUTSCHE STAR RUNNER BLOCK / ROLLER RAIL 1853-613-10, SEALED
20TH CENTURY MACHINE 120" O.A.L. PRECISION BALL SCREW FS-127920-2000
THOMSON A162536 LINEAR BALL BEARING, NNB
PRECISION BALL SCREW 74" O.A.L. FS127920-0800-1?268-02H1
GEORG FISCHER DOUBLE ACTING ACTUATOR
LINEAR ROLLER BEARING LMUWF16
NUMATICCS, LINEAR ACTUATOR SH10606LB16DS3, K13409
PARKER PNEUMATIC ACUATOR VAVLE P5T-J063DHSN050 SEALED
THK KS PRECISION BALLSCREW 9D22
THK LINEAR GUIDE RAIL NIB SHS35C3SS+840L / UCG00264 101075
THK HSR55 LINEAR BLOCK BEARING
STAR LINEAR BEARING 067-20
THK LINEAR GUIDE BLOCK NIB HSR45CA1SSS(GK) 101815
DUFF-NORTON WORM GEAR ACTUATOR LM3704-57L W/ STEARNS BRAKE 1-055-511-04-BQ?F
THREAD CRAFT INC T-1161 COMMERCIAL BACKLASH BALL SCREW 40 OAL 37 TRAV 2? DIA NIB
40" O.A.L. PRECISION BALL SCREW 89988
PARKER ORIGA SYSTEM PLUS PNEUMATIC DRIVE CYLINDER P5P00000C500-03?353 102624
DR. JOHANNES HEIDENHAIN 1840MM LINEAR ENCODER 216 750 HL
BELOIT CORP. SCREW JACK 274815D051
LINMOT LINEAR GUIDE PS01-48X240 / 0150-1975 *PLUG*
NIPPON THOMPSON IKO LINEAR BEARING, LRW50 E71
HYTORK-130 ACTUATOR 120PSIG
FESTO 12 MM BORE, 270° ANGLE ROTARY ACTUATOR DSM-12-270-P-FW?-CC
REXROTH LINEAR SLIDE BEARING R182443110
INA LINEAR MOTION BEARING KH1026/P/PP
EMCOR 36" O.A.L. PRECISION BALL SCREW E-6428
INA LINEAR BEARING KH3050IPIPP
EMCOR E-6696 58" PRECISION BALL SCREW
EMCOR 42" O.A.L. PRECISION BALL SCREW C-066
PARKER ORIGA SYSTEM PNEUMATIC LINEAR DRIVE SYSTEM 102629
THK 171&11/16" O.A.L. 55 HOLE LINEAR GUIDE WAY RAIL W/ (2) IKO BEARING BLOCK
BELOIT CORP. 15-TON SCREW JACK 274817D023-0-00?4
ACCUGLIDE CG35CEAN LINEAR BLOCK BEARING, NIB
NB LINEAR BEARING TWA-16UU
26" O.A.L. PRECISION BALL SCREW 052243
THOMSON ACCUGLIDE RG25NL0260 348660-81 LINEAR RAIL, NNB
FESTO DGP LINEAR DRIVE DGP-40-1300PPVA?B-SL010179
THREAD CRAFT INC T-8310 COMMERCIAL BACKLASH BALL SCREW 50 OAL 44 TRAV NIB
STAR / REXROTH 1807-203-31 236MM LINEAR ROLLER GUIDE RAIL, NNB
STAR / REXROTH 1807-203-31 LINEAR ROLLER GUIDE RAIL, NNB
THREAD CRAFT 39.55" 1.5 DIAMETER PRECISION BALL SCREW T-4947
36.562" O.A.L. PRECISION BALL SCREW 80198 / C-160
THOMSON SAGINAW 17.5" PRECISION BALL SCREW A-5409
THREAD CRAFT INC T-1284 PRECISION PRELOADED BALL SCREW 41 OAL 38 TRAV NIB
BARNES INDUSTRIAL BWO35342 120694 25?" BALLSCREW, NIB
PRECISION BALL SCREW 70260 NIB
THREAD CRAFT PRECISION BALL SCREW ?-16988
BELOIT CORP. SCREW JACK 274822D026
42" O.A.L. PRECISION BALL SCREW C-270
48" O.A.L. PRECISION BALL SCREW A-60292
STAR / REXROTH 1807-203-31 356MM LINEAR ROLLER GUIDE RAIL, NIB
THREAD CRAFT INC T-2569 COMMERCIAL BACKLASH BALL SCREW 38 OAL 30 TRAV NIB
THK LINEAR GUIDE RAIL NIB SHS-800L(GK) / UCG02891 101077
44'' LINEAR GUIDE RAIL
THOMSON INDUSTRIES, INC SUPERSLIDE SYSTEMS POSITIonING SLIDE, 37" OAL; 32" TRAV
REXROTH STAR RUNNER BLOCK/ BALL RAIL 1623-214-20 NIB
THOMPSON SUPER 24 BALL BEARING LINEAR BUSHING NIB
20TH CENTURY MACHINE 104" O.A.L. PRECISION BALL SCREW FS127920-1600
DAYTRonIC LINEAR SENSOR DS6000A
THREAD CRAFT INC T-4013 COMMERCIAL BACKLASH BALL SCREW 38 OAL 29 TRAV NIB
THREAD CRAFT INC T-5736 COMMERCIAL BACKLASH BALL SCREW 48? OAL 45? TRAV NIB
CAIPO DIS 10292 35 X 30 SCREW ACTUATOR
BELOIT CORP. SCREW JACK 274817D023-0-00?5
THREAD CRAFT T7425 74" O.A.L. PRECISION BALL SCREW CP#2.25X500x74
THREAD CRAFT INC T-1526 COMMERCIAL BACKLASH BALL SCREW 49 OAL 42 TRAV NIB
THREAD CRAFT INC T-6235 COMMERCIAL BACKLASH BALL SCREW 49 OAL 42 TRAV NIB
1244.5MM O.A.L. PRECISION BALL SCREW C-264
IKO 13-HOLE LINEAR GUIDE RAILWAY LWH 55 101018
IAI SINGLE AXIS ROBOT LINEAR ACTUATOR ISA-SXM-0-0-100?0-AQ
EMCOR 47.812" O.A.L. PRECISION BALL SCREW E-6630
FESTO 63MM BORE 500MM STROKE LINEAR DRIVE DGP-63-500-PPVA?-B
HEIDENHAIN 620MM, LINEAR SCALE LS 704
TEMPOSonIC R SERIES LINEAR-POSITION SENSOR RHT0065UD601V01
INGERSOLL-RAND ARO 1/4 TON SERIES 7700 ROLLER CHAIN HOIST 7718E-2C10-C6S
INGERSOLL-RAND ARO 1/4 TON SERIES 7700 ROLLER CHAIN HOIST 7718E-2C10-K6
IDEAL .69-1.25D, SAE SIZE 12, CLAMP 62M12, BOX OF 10 *NEW*
AEROQUIP HOSE CUT OFF MACHINE S1104-2-1
TSUBAKI 3/4" PITCH 10FT RIVETED ROLLER CHAIN, NO. 60 *NEW*
CAMPBELL 1/4" (6MM) WIRE ROPE CLIPS, B7670439 *NEW LOT OF 5*
GALVANIZED WIRE ROPE CABLE, 3/8" 7 X 19, PARTIAL ROLL
CREFORM 200 X 42 SWIVEL CASTER W/ STOP & POLYURETHANE WHEEL, J-200S, LOT OF 2
