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。
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80
ACS355-03E-23A1-4 ABB Inverter Pn 11kW, I2n 23.1A IP20
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SI5000 IFM Flow Monitor
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6SL3210-5HE10-8UF0 SIEMENS SINAMICS S210
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ACS150-03E-005A6-4 ABB Inverter Pn 2.2kW, I2n 5.6A IP20
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1 6AV2123-2GB03-0AX0 Siemens HMI Panel KTP700 Basic
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1 Siemens SIMATIC S7-1500,CPU 1511-1 Pn 6ES7511-1AK02-0AB0
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20 System 16 Digital Inputs
6ES7223-1PH32-0XB0 Siemens Simatic S7-1200
1 6ES7223-1PH32-0XB0 Siemens Simatic S7-1200
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6ES7232-4HA30-0XB0 Siemens Simatic S7-1200 And Selead
6ES7232-4HA30-0XB0 Siemens Simatic S7-1200 And Selead
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CA-CH5 Keyence Camera Cable 5-m
CJ1W-AD081-V1 Omron Analog Input Unit
1 CJ1W-AD081-V1 Omron Analog Input Unit
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6ES7134-6GF00-0AA1 SIEMENS SIMATIC ET 200SP
6EP1436-2BA10 SIEMENS Power Supply
6ES7155-5AA01-0AB0 SIEMENS SIMATIC ET200MP
1769-IQ16 Allen-Bradley CompactLogix
Siemens Simatic S7 ET200SP Analog IN,6ES7 134-6HB00-0DA1.6ES7134-6HB00-0DA1
FSC11B SEW Eurodrive COMMUNICATION INTERFACE MODULE
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20 System 2 Analog Inputs
VW3A1101 Schneider Electric Remote Graphic Terminal
1 VW3A1101 Schneider Electric remote graphic terminal
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LR-ZB250C3P KEYENCE Laser Sensor
6SL3210-1PE12-3AL1 SIEMENS SINAMICS Power Module PM240-2
LR-ZB250AP Keyence Laser Sensor
LR-TB2000C Keyence Laser Sensor
LR-TB2000C Keyence Laser Sensor
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DER11B SEW Eurodrive RESOLVER CARD
Omron S8VK-C24024
440R-D22R2 Allen-Bradley Monitoring Safety Relay
6ES7532-5HD00-0AB0 SIEMENS SIMATIC S7-1500
LV-NH32 Keyence Laser Sensor
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5069-AENTR Allen-Bradley Supports 31 I/O Modules, min RPI of 200us
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