PLC五大主题介绍:
1、外形、体积篇
PLC产品发展至今从{dy}代的庞然大物，到今天的小型化、易于安装，它在外形和体积等方面，发生了巨大变化。无论是从大到小，还是接口、外形的变化，都是为了让用户能快速、轻松的安装、连接和启动，为此各厂商都在寻求创新，以便让它更易于操作和扩展，进而提{gx}率，降低人力和时间成本。
请从外形、尺寸、结构、接线安装、操作等方面结合需求描绘PLC的未来。
2、性能、功能篇
如今的PLC，运算速度、扫描速度、存储容量、I/O点数，早已今非昔比。而在多CPU并行、指令的功能与数量、特殊功能单元、扩展能力等方面，也有长足的发展，如：顺序控制、运动控制、过程控制等功能的集成，信息安全与设备诊断的理念等。
无论是小型设备还是对速度和准确性要求较高的复杂设备，或是特殊需求场合，现在的PLC都可游刃有余的完成工作。
请试从PLC的性能、功能方面，结合需求说出你对下一代PLC的观点。
3、通讯性能篇
作为开放趋势的重要因素之一，PLC的通讯一直为大家所热烈讨论。现场总线的发展，使得一个个独立的PLC系统能够相互连接，加之工业以太网与PLC的结合，PLC系统可方便接入信息化系统之中。为此，各种总线可谓百花齐放：ProfiBus/ProfiNet, CANOpen, DeviceNet,Ethernet/IP, POWERLINK，EtherCAT等。另外，GSM/CDMA/3G等无线网络技术，也逐步应用。
如何连接外部系统和旧的系统？特殊传感器如何连接？总线协议千变万化，如何实现完全兼容？接口是否自诊断？编程接口是否统一？面对众多来自实际应用的问题，您认为，PLC的通讯性能究竟应该怎样发展？
4、编程软件篇
从上个世纪九十年代开始，集成自动化的理念逐渐深入人心。在一个集成自动化体系里，系统中设备间能够{zd0}程度上实现资源利用与共享。然而，集成自动化离不开强大的开发平台的支持，开发工具不仅要支持PLC，还要解决故障诊断、网络通信能力以及基本自动化硬件以外的附加高级语言软件开发功能。
您对PLC编程软件有怎样的应用体会或期待，请发表您的观点。
5、生命周期篇
传统的PLC生命周期，包括设备的选型、采购、设计、安装调试、维护维修、服务等环节，而模块化PLC，让这些环节趋向标准和简化。作为工程师的我们，工作于产品生命周期的各个环节，或设计、或采购、或调试、或维护，而在这些环节，您认为PLC会有怎样的变革？
厦门仲鑫达自动化设备有限公司
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NSK, WBK25S-01, Ball Screw Support Unit, NEW
Copper 01BCP200GR 2" split Pillow Block Bearing NEW
SKF N319ECM/C3, 95mm Cylindrical Roller Bearing NEW
20th Century Machine Ballscrew G1562, 81135-02-S NEW
Timken 72212C Matched Set, Double Cup 72488D Bearing set w/Cup New No Box
Fafnir 2MM307WI-CR-DUL Precision Bearing Set NEW
NSK, WBK25-01, Support Unit, NEW
INA ZKLN-2557-2RS, 25mm x 57mm x 28mm New no Box
Timken 52400, 200208 22 Bearing New
Consolidated Bearing NA-4919, Torrington RNA-NA4919 NEW
Fag Bearing B71928E.T.P4S.U?L Super Precision NEW
Thread-Craft T-6472 Precision Ballscrew RH .393lead NEW
SKF 1317K Bearing 85mm ID x 180mm OD x 41mm WD, NEW
NSK, WBK20-11, Support Unit, NEW
Thomson 8120-448-016, 46.25101.41.983?5, UF50-10, Ball Screw Nut, NEW
Martin 200B16 Sprocket, #200 B hub, 16 tooth, NEW, 1 1/2" Stock Bore New
FAG 21317E.TVPB, 85mm ID x 180mm x 41mm Bearing NEW
Consolidated Bearing RNA-4924 NA-4924 CJ, IKO Japan NEW
Morse #120-2R chain, 322200, #120-2, 32200, 10' NEW USA
Allied Locke 140-1CP Roller Chain, 10' NEW in Box
Thomson SPB-32-ADJ, 2" ID Linear Bearing, New in Box
CARRIER 06EA660105, 06EA-660-105, VALVE PLATE, New in Box
Goodyear G-56-S-E, Eagle Timing Pulley, 2500RPM, New in Box
Morse #120-2R chain, 322200, #120-2, 32200, 94" LONG' NEW USA
UKP212+H2312 55mm pillow block bearing, w/clamp NEW
INA KGNO-30-B-PP-AS?, 30mm Linear Bearing NEW
M1 link for #80 chain, box of 150, new low style
Timken 48286, 20024 Bearing New
SKF 71906ACX / P4ADGA, made in Germany, Bearing, New in Box
SKF,LWRM 90200, Bearing, Linear, 200MM L, Needle Roller Linear RA, NEW
Link Belt T3-U224N, T3-U224H, 1 1/2" Take-up Bearings, This is for 2 New no Box
Allied Locke 140-1CP Roller Chain, 7' NEW in Box
SKF LWRM/V6100x84.1?5, LWRM-6100, Rail Set, New
Thomson, Super 16 OPN, Lot of 4, Pillow Block Bearing, NEW
Fafnir RCJC 1 11/16, Set of 2, 4-bolt flange bearing
INA 89306TN Bearing, Cylinder Roller NEW
Star 1591-1-1720, Pillow Block Bearing, 17mm ID, AB09G New in Box
Thomson AT35A-03, Linear Bearing, Carriage, New in Box
Mcgill CCFE3SB, 3" stem cam follower New no box
INA RCJTY 2-7/16, 2 bolt flange bearing, NEW
SKF ,6017-2RSNRJEM Bearing 85mm x 130mm x 22mm NEW
SKF 32305 J2 Taper roller bearing w/race (lot of 5) New
Morse #120-2R chain, 322200, #120-2, 32200, 44" LONG' NEW USA
Martin DS80A13, Sprocket, 13 tooth, 1.4375" New
Timken L22584 2-629 Bearing, New
Star, Kugel-gewindetr?ieb, 1532-2-3004, 11F 15.080, NEW
Ruland FCMR38-16-16-A, 16mm bore flex coulping set of 2 New in Box,
FYH Beaings UCFC211 J, 55mm Bore, 4-bolt round flange bearing New in Box
Seal Master MSC35T, 2 3/16" Bore Bearing, split lock, 5 7/8" OD New
Fafnir, Ball Bearings, GYE75RRB, Insert, 75MM ID, 130MM OD, 28MM WD, Metric, NEW
Fafnir, RAKH 1 15/18", Pillow Bearing, 6085H8, T-22214, New, in box
Thomson, SSU24, Lot of 2, Super Smart Ball Bushing, NEW
Link Belt HM3-U224N, 1 1/2" Take-up Bearings, This is for New no Box
Browning H50H33, Harden tooth Sprocket, 33 teeth, NEW
Timken Fafnir 7314WN SU, Ball, Angular Contact, New
Fafnir YAS40, P2B-SC-40M, Industrial Duty, 40mm Pillow Block Bearing New in Box
Star Linear 1085-630-20 Linear Bearing, NEW in BOX
Torrington 22210CJW33C3, Roller Bearing 50x90x23 NEW
Bearing Stabilizing Ring SR-30-0, lot of 4 NEW
SNR T215.C4.200, 75mm take Up Bearing, 27mm slot New
SKF 2308E-2RS1TN9 Bearing NEW
NB linear Bearing, 1 1/2", TWD24UU, TWD24 NEW
Lovejoy U100R, 24MM bore 8mm key, steel flexable coulper New 94490
Tsubaki Power-Lock PL3 1/2, 3,1/2" x 5.125" OD, New in Box, Locking Collar
RHP Bearings 7204-CTBSULP6, 20mm Precision Bearing NEW
Doppellagereinh?eit 5M20, 0051120, Linear Bearing Unit New in Box
Doppellagereinh?eit 01311314, Linear Bearing Unit New in Box
Doppellagereinh?eit 00051121, Linear Bearing Unit New in Box
SKF 22211-CC/C3W33, 22211-E/CS3 Bearing, 55mmID NEW
INA IR17X22X14, 17mm Bushing Lot of 6 NEW
Tsubaki Power-Lock PL3, 3", 4.75" OD, New no Box, Locking Collar
SKF NJ208ECJ/C3, 40mm x 80mm x 18mm Bearing NEW
Fafnir 120W-2 Bearing 100mm bore NEW
Browning 80Q38, Sprocket, #80 chain, 38t, New
MB TC-25-2, 2" take up bearing 11/16" slot New
Seal Master ST-36, 2-1/4" Take Up Bearing 1.05" slotNEW
Fafnir 7309WN-SU, 45mmID x 100mmOD x 25mmWD. NEW
PCI g6957432 Roller LOT of 2 NEW
Martin 4012, .875" bore, lot of 8 coulping hubs NEW
Browning 60T55L35, #60, 35Teeth, 3" Bore, Torqu. Limit Sprocket NEW
Allied-Locke, 60-2R Chain, Double 60, 10' New in Box
Martin MET D40B13, 13 tooth Sprocket, Lot of 3, New
Martin 60BS48, 1 3/8" Bore, .312" key, 2 sets New
NSK 25TAC62BSUC10, Super Precision Bearing, made in Japan, New in Box
NICE N6910B, Lot of 4 Bearings, New in Box
Rexroth R165111222, Linear Bearing New in Box
TR, UC208, F208, 4 bolt Flange Bearing, 40mm Bore, NEW
Whittet-Higgins?, NSH-13, 57050, Lot of 3, NEW
Timken Fafnir 27881 USA SD, Bearing, New in Box
Whitney #120-2R chain, 322200, #120-2, 32200, 50" LONG'
INA G50X62X5A, Seals lot of 17 NEW
CR services 37389, lot of 4, NEW
INA KRV80PPXB 80mm Cam Follower NEW
INA KRV80PPX 80mm Cam Follower NEW
SKF ,6017-2ZJEM Bearing 85mm x 130mm x 22mm NEW
Fafnir RCJC 1 11/16, 4-bolt flange bearing NEW No Box
Dodge SC 1 11/16, 4-bolt flange bearing NEW No Box
SealMaster 2-23C, Bearing Insert, 2 3/16" New in Box
Whitney C2040 RIV, Rivited Chain, 10ft, 1", Mino#C10807
Fafnir RCJC 1 3/4, 4-bolt flange bearing NEW
Fafnir 7210WN Bearing 50mmID x 90mm x 20mmWD NEW
Martin E50B18H, Sprocket 1 3/4" bore, 1/2" key NEW
THK LRA 2565, Linear Bearing, New in Box,
NSK 6013VVC3, Bearing , 6013VVC3E** New in Box, seals on both sides
Fafnir DW5-FS428, MS27647-5L, Extra Wide, Double Row, New in Box
Martin E50B30 H, #50 Tripple Sprocket, 1 18" Bore New
Martin, D50B24h-1 1/4,Sprocket, 50-2 Chain size, 5/8" pitch, 24T, New
SKF LBBS50 50mm Linear Bearing NEW
Timken 55176C Bearing NEW
THK LRA 2555, Linear Bearing, New in Box,
Martin D08B19 Sprocket, 19 tooth, New
Martin D50B16H, Sprocket, 16 tooth, 3/4" stock Bore, New
Martin D50B16H, Sprocket, 16 tooth, 1 1/4" Bore, New
Martin D10B15, Sprocket, 15 tooth, 3/4" stock Bore, New
Martin D35B52, Sprocket, 52 tooth, 3/4" stock Bore, New
Martin / Browning 80B22, Sprocket, 22 tooth, this is for 2 New
SKF, 6201-2Z/C3HT, 6201 2Z, JEM UE01, Lot of 12, NEW
Thomson, Super 24 OPN, Ball Bushing Linear Bearing, NEW
McGill MR10,1.25" OD x 1"W Needle Bearing New Lot of 3
Fafnir RCJC 1 3/4, 4-bolt flange bearing NEW No Box
Timken 27690, Bearing New in Box
INA RNA-NA 4908.2RS, bearing 40mm x 62mm x 23mm NEW
Thomson, Super 24 OPN, Ball Bushing Linear Bearing, NEW
B-Loc B800-25x34, locking hub 25mm bore New in Box,
NSK 22209CDE4C3S11 45mm x 85mm x 23mm Bearing NEW
SKF LBBR30-2LS, Linear Bearing, Lot of 4 New in Box
MRC Bearings 5209-MFF-H501 45mmID x 85mmOD x 30.2MM NEW
FAG NUTR-3072 Bearing Cam, 30mmID x 72mm x 29mm NEW
SKF NU-1007-ECP, Bearing, NEW
Martin 50BS31, Sprocket 1 7/16" bore, 3/8" key NEW
Martin 80BS11, Sprocket, 1 1/4" Bore, Lot of 2, New In Box
Martin 60SDS22, Sprocket, QD Style, Lot of 2, New In Box
Martin 40SH22H, Sprocket, QD Style, Lot of 4, New
SKF6302 2RSJEM, Lot of 6 Bearing, New in Box
Martin sprocket 35BS20 Lot of 7, #35, 20 teech NEW
INA, NATR8PP, 5549876, Bearing, New in Box
INA PWKR402RS Cam Follower, New in Box, 9656870
Ruland FCMR38-16-16-A, 16mm bore flex coulping New in Box,
Mayr 3/931.311, flex coulper, 10mm bore, New no box
R+W, Flexable Coulper, BLK-60-79-25mmH?7-1.25"H7, New in Box,
INA, PASE 40, Pillow bearing, 40MM ID, Eccentric Locking Colla, NEW, in box
IKO LRWH35 linear bearing Rail 230mm long 29mm wide NEW
Gates, 8M-75S-21, Poly Chain Sprocket, 8MM Pitch, 75 Groove, 21MM WD, QD, NEW
Gates, 14M-38S-20, Poly Chain Sprocket, 14MM Pitch, 301, 20MM WD, QD, Bush, NEW