1786-RPFM===1786-RPFM

===

明白PLC控制的信号有那些

　　PLC是根据输入条件来控制输出信号的。输入信号就是控制台上的按钮，机床上的限位开关，压力继电器和光电开关等各类传感器，而输出点则控制继电器或接触器线圈的通断，指示灯的明灭，液压阀电磁铁的吸合及变频器的信号端子的输出。在做一个机床设计时我们经常会碰到两个问题，一个是PLC可扩展的I/O点数是有限的，另一个是增加I/O点数是要增加成本的。所以我们要知道控制的信号有那些，各是多少，统计出需要多少输入和输出点，据此选出PLC。

：张亮（工程师）    专线：
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Sumitomo SMAC PAC Trasnsistor Inverter AF502-1A5 #18902

 Allen Bradley 1775-RM Adapter Module #28848

Norgren Smart Pump Vacuum System VMS-2110-24 #31772

Square D Safety Switch HU363AWK 100 Amp Ser. F3 #28340

Vickers Hydraulic Valve CVCS 40 C1 S2 W250 11 #30391

Vickers Hydraulic Relief Valve CGE 02 3 21 #30377

Unico PLC Board 317832.004 Circuit Board  #13308

Barber Colman 33-1645-2 Maco 4000 PC Board #5843

Barber Colman 80DD-00101-001-V-00 Temp Module #15905

Siemens Memory Sub Module 6ES5 374-0AA11 #22792

Pinnacle Microgaurd Receiver Emitter DR-20-0F-AU #30932

 Allen Bradley Memory Segment 1772-MS8 #28929

Ransburg Gema Flow Control #31735

Muegge 82260-01550 Controller Board #23024

Yuken Dirctional Valve DSHG-04-3C53-C2-PB-D24-50113 #38

Acu-Rite Turnvision DRO Digital Readout #23929

Vickers Hydraulic Relief Valve CGE 02 3 21 #37271

Square D Circuit Breaker MAL36600, 600 Amp, #6273

Plastrac Auto-Disc Gravimetric Controller #18277

Square D Circuit Breaker MAL366006462 600Amp #18798

Boy Mipronic Plus Control Panel 6801867 #17268

Reliance S6R-DIG Power Module 803610-RB #8186

Cognex In-Sight 1000 Integrated Camera 800-5740-1 with 

Van Dorn Operator Interface Screen P5000C #42687

 Lenze Frequency Inverter E82EV551 2C200 #22814

Allen Bradley Guardmaster Control 440F-C28026 #32807

Texas Instruments 100-3101 Programmer TI101 #7650

Cognex In-Sight 1000 Integrated Camera 800-5740-1 with

Mitsubishi FX2-96BMT PC Board #22070

Siemens Operator Interface OP5-A2 6AV3505-1FB12 #23888

Seimens Simatic S5 Communication Processor 6ES5 524-3UA

ABB Panel Unit 3HAB7215-1/09 DSQC331 #29398

ABB Panel Unit 3HAB 7215-1/07 #29382

Siemens Eprom Memory Submodule 6ES5-374-OAA11 #29568

Una-Dyn 800 lb Hopper #41718

Siemens Communication Module 6GK7343-1EX10-0XE0, Simati

Siemens 6SC61-70-0FC50-462 Control Board #7612

Barber Colman 80BB-00002-001-0-00 Module #8044

 Atlas Copco Cable 4220 1560 02 #29076

Balogh Serial Interface Unit BS45 FF, BS45FF, #33320

STI Light Curtain Transmitter MS4332BX #34699

STI Light Curtain Transmitter MS4332BX #34762

Thern Spur Gear Hand Winch 452 #33849

Reliance Electric IRCH Board 0-51839-7 #34575

Fanuc CPU Control Board A16B-2200-0160 /06B #24843

Siemens CPU Module 6ES5 941-7UB11 #37555

Barber Colman Process Control Module 80EB-30003-002-0-0

STI Light Curtain Transmitter MS4316B-2 Minisafe #21412

Data Logic Serial Controller Board HS850B-4 #13795

TOEI H01197-3 Control Card #24968