描述
从PLC控制系统与电器控制系统比较可知,PLC的用户程序(软件)代替了继电器控制电路(硬件)。因此,对于使用者来说,可以将PLC等效成是许许多多各种各样的“软继电器”和“软接线”的集合,而用户程序就是用“软接线”将“软继电器”及其“触点”按一定要求连接起来的“控制电路”。为了更好的理解这种等效关系,下面通过一个例子来说明。如图1所示为三相异步电动机单向起动运行的电器控制系统。其中,由输入设备SB1、SB2、FR的触点构成系统的输入部分,由输出设备KM构成系统的输出部分。
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
REXROTH INDRAMAT DEA4.2 I/O DIGITAL INTERFACE CARD
REXROTH INDRAMAT DEA05.2 PC BOARD
REXROTH INDRAMAT DEF01.1 INCREMENTAL POSITION MODULE
REXROTH INDRAMAT DEP0000116 Item
REXROTH INDRAMAT DG-1604 5000 PPR ENCODER
REXROTH INDRAMAT DIV-03-0100 CABLE ASSEMBLY 3.1 METERS
REXROTH INDRAMAT DIV-04-0502 CABLE ASSEMBLY 3.1 METERS
REXROTH INDRAMAT DKC0.1-040-7-FW SERVO CONTROL
REXROTH INDRAMAT DKC01.1-030-3-FW DRIVE SERVO CONTROLLER DIGITAL AC
REXROTH INDRAMAT DKC01.1-040-7-FW SERVO DRIVE CONTROL
REXROTH INDRAMAT DKC01.3-040-7-FW SERVO DRIVE 3PH 40AMP 700VDC W/PARALLEL INTERFACE
REXROTH INDRAMAT DKC01.3-100-7-FW SERVO DRIVE AC
REXROTH INDRAMAT DKC0132007FW CONTROL
REXROTH INDRAMAT DKC01.3-LK-EAK02 INTERFACE CARD
REXROTH INDRAMAT DKC02.1-040-7-FW SERVO DRIVE 40AMP 700VDC
REXROTH INDRAMAT DKC0230407FM CONTROL
REXROTH INDRAMAT DKC02.3-040-7-FW SERVO DRIVE ECO DRIVE W/SERCOS INTERFACE
REXROTH INDRAMAT DKC0231007FW DRIVE CONTROL
REXROTH INDRAMAT DKC03.1-040-7-FW SERVO CONTROLLER DIGITAL AC
REXROTH INDRAMAT DKC03.3-040-7-FW SERVO DRIVE PROFIBUS DP INTERFACE ECO
REXROTH INDRAMAT DKC0331007FW UNIT
REXROTH INDRAMAT DKC03.3-LK-PBK02 INTERFACE CARD
REXROTH INDRAMAT DKC04.3-LK-ITB01 INTERFACE CARD
REXROTH INDRAMAT DKC0630407FW CONTROLLER
REXROTH INDRAMAT DKC0631007FW DRIVE
REXROTH INDRAMAT DKC06.3-LK-DVN01 INTERFACE CARD
REXROTH INDRAMAT DKC10.3-012-3-MGP-01VRS SERVO DRIVE 12AMP 300VDC MULTI INTERFACE GEN PURPO
REXROTH INDRAMAT DKC1.1-030-3 DIGITAL AC SERVO CONTROLLER
REXROTH INDRAMAT DKC110303FW DRIVE
REXROTH INDRAMAT DKC1.1-040-7-FW SERVO CONTROL AC ECODRIVE
REXROTH INDRAMAT DKC-11-100-7-FW SERVO DRIVE
REXROTH INDRAMAT DKC11.1-040-7-FW DRIVE 700VAC 40AMP
REXROTH INDRAMAT DKC11-3-040-7-FW DRIVE ECO 40AMP
REXROTH INDRAMAT DKC-11-3-100-7-FW SERVO DRIVE
REXROTH INDRAMAT DKR3.1-W100-BE12-01-FW SERVO VECTOR DRIVE W/SERCOS CARD
REXROTH INDRAMAT DKR3.1-W100N-BE12-01 FW SERVO DRIVE 100AMP
REXROTH INDRAMAT DKS01.1-W100A-DL01-00 DIGITAL AC SERVO COMPACT CONTROLLER
REXROTH INDRAMAT DKS011W100ADS010 SERVO
REXROTH INDRAMAT DKS01.2-W100A-DL01 SERVO AMPLIFIER DRIVE
REXROTH INDRAMAT DKS01.2-W100-ADL01 SERVO AMPLIFIER DRIVE
REXROTH INDRAMAT DKS012W100ADL01F DRIVE
REXROTH INDRAMAT DKS-1.1-W100A-DA01-00 SERVO CONTROL DIGITAL 100AMP
REXROTH INDRAMAT DKS-1.1-W100A-DA01-01 SERVO CONTROL DIGITAL 100AMP
REXROTH INDRAMAT DLC1.1-FW DLC CARD
REXROTH INDRAMAT DLF1.1 INTERFACE BOARD
REXROTH INDRAMAT DMD01.1-W082N DRIVE
REXROTH INDRAMAT DMD021W082N DRIVE
REXROTH INDRAMAT DSC1.5-50 SERVO DRIVE
REXROTH INDRAMAT DSC1.6-50-200 SERVO CONTROL
REXROTH INDRAMAT DSC1.7-050-115 SERVO DRIVE
REXROTH INDRAMAT DSC1750 MOTOR CONTROL
REXROTH INDRAMAT DSC1.7-50-115 SERVO CONTROLLER AC
REXROTH INDRAMAT DSC3.1-030-115 SERVO CONTROLLER 115V
REXROTH INDRAMAT DSC3.1-100-115 SERVO CONTROLLER AC
REXROTH INDRAMAT DSC31100115V DRIVE
REXROTH INDRAMAT DSC3.1-150-115 SERVO CONTROLLER
REXROTH INDRAMAT DSC3.1-150-115V SERVO CONTROLLER
REXROTH INDRAMAT DSI-1 COMMUNICATIONS MODULE
REXROTH INDRAMAT DSM02.1-FE MODULE
REXROTH INDRAMAT DSM02.1FW MODULE
REXROTH INDRAMAT DSM02.3-FW MODULE PARAMETER/SOFTWARE
REXROTH INDRAMAT DSM2.1-A11-01.RS PERSONALITY MODULE
REXROTH INDRAMAT DSM2.1-E11-01.RS MODULE
REXROTH INDRAMAT DSM-2.1-FW MODULE
REXROTH INDRAMAT DSM2.1-LNS-0.1RS MODULE
REXROTH INDRAMAT DSM2.1-S11-01.RS MODULE
REXROTH INDRAMAT DSM2.1-SSE-02V07 PERSONALITY MODULE
REXROTH INDRAMAT DSM2.1-SSE-02V08-MS MODULE
REXROTH INDRAMAT DSS01.3 MODULE
REXROTH INDRAMAT DSS01.3-FW MODULE
REXROTH INDRAMAT DSS02.1 INTERFACE MODULE SERCOS
REXROTH INDRAMAT DSS021M CIRCUIT CARD
REXROTH INDRAMAT DSS1 INTERFACE BOARD