6ES7334-0CE01-0AA0.
6ES7334-0CE01-0AA0
6ES7334-0CE01-0AA0
PLC在国内外已广泛应用于钢铁、石油、化工、电力、建材、机械制造、汽车、轻纺、交通运输、环保等各个行业,使用情况大致可归纳为如下几类。
1、开关量的逻辑控制
这是PLC最基本、最广泛的应用领域,它取代传统的继电器电路,实现逻辑控制、顺序控制,既可用于单台设备的控制,也可用于多机群控及自动化流水线。如注塑机、印刷机、订书机械、组合机床、磨床、包装生产线、电镀流水线等。
模拟量控制
在工业生产过程当中,有许多连续变化的量,如温度、压力、流量、液位和速度等都是模拟量。为了使可编程控制器处理模拟量,必须实现模拟量(Analog)和数字量(Digital)之间的A/D转换及D/A转换。PLC厂家都生产配套的A/D和D/A转换模块,使可编程控制器用于模拟量控制。
2、运动控制
PLC可以用于圆周运动或直线运动的控制。从控制机构配置来说,早期直接用于开关量I/O模块连接位置传感器和执行机构,现在一般使用专用的运动控制模块。如可驱动步进电机或伺服电机的单轴或多轴位置控制模块。世界上各主要PLC厂家的产品几乎都有运动控制功能,广泛用于各种机械、机床、机器人、电梯等场合。
3、过程控制
过程控制是指对温度、压力、流量等模拟量的闭环控制。作为工业控制计算机,PLC能编制各种各样的控制算法程序,完成闭环控制。PID调节是一般闭环控制系统中用得较多的调节方法。大中型PLC都有PID模块,目前许多小型PLC也具有此功能模块。PID处理一般是运行专用的PID子程序。过程控制在冶金、化工、热处理、锅炉控制等场合有非常广泛的应用。
4、数据处理
现代PLC具有数学运算(含矩阵运算、函数运算、逻辑运算)、数据传送、数据转换、排序、查表、位操作等功能,可以完成数据的采集、分析及处理。这些数据可以与存储在存储器中的参考值比较,完成一定的控制操作,也可以利用通信功能传送到别的智能装置,或将它们打印制表。数据处理一般用于大型控制系统,如无人控制的柔性制造系统;也可用于过程控制系统,如造纸、冶金、食品工业中的一些大型控制系统。
5、通信及联网
PLC通信含PLC间的通信及PLC与其它智能设备间的通信。随着计算机控制的发展,工厂自动化网络发展得很快,各PLC厂商都十分重视PLC的通信功能,纷纷推出各自的网络系统。新近生产的PLC都具有通信接口,通信非常方便。
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1494FDX400 1494F-DX400 400 A Disconnect Switch
1494FN200 1494F-N200 Disconnect Switch
1494FV4 1494F-V4 Combination Starter Door Hardware
1494GBF3N203W421 1494G-BF3N-203W-421 NEMA 1494G Enclosed Disconnect
1494GBF3N420 1494G-BF3N-420 NEMA 1494G Enclosed Disconnect
1494GBF3N421 1494G-BF3N-421 NEMA 1494G Enclosed Disconnect
1494GCF3N420 1494G-CF3N-420 NEMA 1494G Enclosed Disconnect
1494GCF3N421 1494G-CF3N-421 NEMA 1494G Enclosed Disconnect
1494GDF3N420 1494G-DF3N-420 NEMA 1494G Enclosed Disconnect
1494GDF3N421 1494G-DF3N-421 NEMA 1494G Enclosed Disconnect
1494GEC3N 1494G-EC3N NEMA 1494G Enclosed Disconnect
1494GEF3J6 1494G-EF3J6 NEMA 1494G Enclosed Disconnect
1494GEF3N 1494G-EF3N NEMA 1494G Enclosed Disconnect
1494GEF3N420 1494G-EF3N-420 NEMA 1494G Enclosed Disconnect
1494GEF3N421 1494G-EF3N-421 NEMA 1494G Enclosed Disconnect
1494GEF3N989 1494G-EF3N-989 NEMA 1494G Enclosed Disconnect
1494GFF3N 1494G-FF3N NEMA 1494G Enclosed Disconnect
1494GFF3N421 1494G-FF3N-421 NEMA 1494G Enclosed Disconnect
1494GFF3N989 1494G-FF3N-989 NEMA 1494G Enclosed Disconnect
1494GGF3N 1494G-GF3N NEMA 1494G Enclosed Disconnect
1494GGF3N420 1494G-GF3N-420 NEMA 1494G Enclosed Disconnect
1494GNX8 1494G-NX8 Industrial Grade Safety Switch
1494HBF3H6 1494H-BF3H6 Heavy Duty Fusible Safety Discon Switch
1494HBN3H6 1494H-BN3H6 Heavy Duty Fusible Safety Discon Switch
1494HCF3H2 1494H-CF3H2 Heavy Duty Fusible Safety Switch
1494HCN3H2 1494H-CN3H2 Heavy Duty Fusible Safety Switch
1494HCN3H6 1494H-CN3H6 Heavy Duty Fusible Safety Discon Switch
1494HCN3N 1494H-CN3N Heavy Duty Non-Fus Safety Discon Switch
1494HDA3H6 1494H-DA3H6 Safety Switch, 100 ,600V FUSE,Type 1
1494HDA3N 1494H-DA3N Heavy Duty Non-Fus Safety Discon Switch
1494HDF3H2 1494H-DF3H2 Heavy Duty Fusible Safety Switch
1494HDF3H6 1494H-DF3H6 Heavy Duty Fusible Safety Switch
1494HDF3N 1494H-DF3N Heavy Duty Non-Fus Safety Discon Switch
1494HDN3H2 1494H-DN3H2 Heavy Duty Fusible Safety Switch
1494HDN3H6 1494H-DN3H6 Heavy Duty Fusible Safety Discon Switch
1494HDN3N 1494H-DN3N Heavy Duty Non-Fusible Safety Switch
1494HEA3H2 1494H-EA3H2 Heavy Duty Fusible Safety Switch
1494HEA3H6 1494H-EA3H6 Heavy Duty Fusible Safety Discon Switch
1494HEA3N 1494H-EA3N Heavy Duty Non-Fus Safety Discon Switch
1494HEF3H2 1494H-EF3H2 Heavy Duty Safety Switch
1494HEF3H6 1494H-EF3H6 Heavy Duty Fusible Safety Switch
1494HEF3N 1494H-EF3N Heavy Duty Non-Fus Safety Discon Switch
1494HEN3H2 1494H-EN3H2 Heavy Duty Fusible Safety Switch
1494HEN3H6 1494H-EN3H6 Heavy Duty Fusible Safety Discon Switch
1494HEN3N 1494H-EN3N Heavy Duty Non-Fus Safety Discon Switch
1494HLEN3H2 1494HL-EN3H2 General Duty Safety Switch
1494RN30 1494R-N30 Disconnect Switch Kit
1494RN60 1494R-N60 Disconnect Switch Kit
1494UD100 1494U-D100 1494U 100A Switch and Mechanism
1494UJ60CRM 1494U-J60-CR-M Cable and Rod Disconnect Kits
1494VDH622 1494V-DH622 NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDH622AD 1494V-DH622-A-D NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDH644 1494V-DH644 NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDH644A 1494V-DH644-A NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ622 1494V-DJ622 NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ622ABD 1494V-DJ622-A-B-D NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ622ABDE 1494V-DJ622-A-B-D-E NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ622ABDEF 1494V-DJ622-A-B-D-E-F NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ622ADE 1494V-DJ622-A-D-E NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ622AE 1494V-DJ622-A-E NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ622AF 1494V-DJ622-A-F NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ622DE 1494V-DJ622-D-E NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ622DEFF 1494V-DJ622-D-E-FF NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ644 1494V-DJ644 NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ644ABDE 1494V-DJ644-A-B-D-E NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ644ABDEF 1494V-DJ644-A-B-D-E-F NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ644ABD1EF 1494V-DJ644-A-B-D1-E-F NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ644AD 1494V-DJ644-A-D NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJ644DE 1494V-DJ644-D-E NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDJX622 1494V-DJX622 NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDN200 1494V-DN200 NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDR606 1494V-DR606 NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDR622 1494V-DR622 NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDR622A 1494V-DR622-A NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDR644 1494V-DR644 NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDR666ABDEF 1494V-DR666-A-B-D-E-F NEMA Flange Mtd Rod Switch Disconnect Sw
1494VDS200 1494V-DS200 Disconnect Switch
1494VDS400 1494V-DS400 Disconnect Switch