IC693MDL660&&IC693MDL660

IC693MDL660

IC693MDL660

IC693MDL660

CPU主要由運算器、控制器、寄存器及實現它們之間聯系的數據、控制及狀態總線構成,CPU單元還包括外圍芯片、總線接口及有關電路。內存主要用于存儲程序及數據,是PLC不可缺少的組成單元。

在使用者看來,不必要詳細分析CPU的內部電路,但對各部分的工作機制還是應有足夠的理解。CPU的控制器控制CPU工作,由它讀取指令、解釋指令及執行令。但工作節奏由震蕩信號控制。運算器用于進行數字或邏輯運算,在控制器指揮下工作。寄存器參與運算,并存儲運算的中間結果,它也是在控制器指揮下工作。


CPU速度和內存容量是PLC的重要參數,它們決定著PLC的工作速度,IO數量及軟件容量等,因此限制著控制規模。

I/O模塊

PLC與電氣回路的接口,是通過輸入輸出部分(I/O)完成的。I/O模塊集成了PLC的I/O電路,其輸入暫存器反映輸入信號狀態,輸出點反映輸出鎖存器狀態。輸入模塊將電信號變換成數字信號進入PLC系統,輸出模塊相反。I/O分為開關量輸入(DI),開關量輸出(DO),模擬量輸入(AI),模擬量輸出(AO)等模塊。

常用的I/O分類如下:

開關量:按電壓水平分,有220VAC、110VAC、24VDC,按隔離方式分,有繼電器隔離和晶體管隔離。

模擬量:按信號類型分,有電流型(4-20mA,0-20mA)、電壓型(0-10V,0-5V,-10-10V)等,按精度分,有12bit,14bit,16bit等。

除了上述通用IO外,還有特殊IO模塊,如熱電阻、熱電偶、脈沖等模塊。


按I/O點數確定模塊規格及數量,I/O模塊可多可少,但其最大數受CPU所能管理的基本配置的能力,即受最大的底板或機架槽數限制。

電源模塊

PLC電源用于為PLC各模塊的集成電路提供工作電源。同時,有的還為輸入電路提供24V的工作電源。電源輸入類型有:交流電源(220VAC或110VAC),直流電源(常用的為24VDC)。

底板或機架

大多數模塊式PLC使用底板或機架,其作用是:電氣上,實現各模塊間的聯系,使CPU能訪問底板上的所有模塊,機械上,實現各模塊間的連接,使各模塊構成一個整體。

Prominent Meterings Fluids Metering Pump GAMMA/4 (3071)

Anderson Inst. Co EDT 160-A20 Temp Xmitter Xducer (3070

Square D Heavy Duty Safety Switch 60 AMP (2046)

Square D Class 8502 Type PC 3.10 E Contactor (2149)

VeriFone Interface PP101 IBM AT 10776-02 (2927)

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Cutler Hammer Circuit Breaker JDB3200 JT3200T 200A 600V

Cutler Hammer Circuit Breaker ED3200 200A 240AC/125DC

Cutler Hammer Circuit Breaker FD3125 125A 600AC/250DC

Cutler Hammer Circuit Breaker EHD3070 70A 480AC/250DC

Cutler Hammer Circuit Breaker EHD3040 40A 480AC/250DC

Cutler Hammer Circuit Breaker EHD3030 30A 480AC/250DC

Cutler Hammer Circuit Breaker EHD3020 20A 480VAC

Cutler Hammer Circuit Breaker EHD3015 15A 480AC/250DC

Cutler Hammer Circuit Breaker EHD3100L 100A 480AC/250DC

Cutler Hammer Circuit Breaker EHD3030 30A 480AC/250DC

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Megnetek Model 430 Shaded Pole 1/25 Hp. (4261)

Fisher Controls 289H-2 Relief Valve (New) (4262)

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AUXILIARY CONTACTS for MSM Model HS11 set of 5 (2003)

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Sutron Electronic MBO Typ. 80412090 (4266)

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Sola Power Supply SDP 3-15-100T (1658)

Rite-Hite 65100003 Programmable Controller (4154)

PULS DC Power Supply ML30.101 (1659)

Oriental Motor OM Speed Control Pack SSP-2 (1660)

Process Control 16133-960 Digitail Display DML (4155)

Numatic Actuator FIFM-02110-BDV2 Bore 2 1/2" (4267)

Kep Electronic Counter INT66xxx15x2 (4156)

Banner Mini Beam Fiber Optic Sensor SM312F (4270)

Niigata Operator Interface Controller (2306)

Niigata Operator Interface Controller (2307)

PHOENIX CONTACT UMK 22REL110/21-21 RELAY NEW (2310)

PHOENIX CONTACT UMK 22REL24/21-21 RELAY NEW (2309)

PEPPERL FUCHS Induct Proximuty sensor NJ4-12GK-N (2798)

Numatics L22 Series airline lubricator L22L-04 (2808)

Festo Solenoid Valve MFH-5-1/8 MFH518 (2795)

Euchner Safety Swtich NM12VZA-M - New (2807)

DW/ Brad Harrison 804001A09M050 Sensor Cable New (2801)

BANNER OTBVR81QD MOMENT ACTION OPTIC TOUCH BUTTON (2805

Baluff Sensor Cable Assembly C04BEL00VY050M (2802)

Baluff Sensor Cable Assembly C04AEL00VY050M New (2800)

Baluff Sensor Cable Assembly 702000D02F120 New (2799)

Allen Bradley Guardmaster MSR126.1R 440R-N23120 (2811)

2 Nordson 1054662 Cartridges for Multi Module Guns 2804

Comat Releco Relay C3-A 30 D with socket (2312)

Electromatic Infrared Remote Control Relay (2315)

Siemens TIME DELAY RELAY 7PU15 7PU15408AM20 (2314)

Pacific Scientfic Servo Drive SC452-051-06 (1663)

Numatics Actuator Model F1FM-02I1O-BDV2 (2759)

Moiser Tiny Tim Model S-3489 1-1/8x4 Cylinder (2758)

BETTIS ACTUATORS & CONTROLS RPC 250 (1475)

TELEMECANIQUE LC1-D2510 With LR2 D1310 (4157)

SQUARE D STARTER NEMA SIZE 0 CAT#8536SB025 (4158) 

Cutler Hammer 300W Switch Mode Power Supply (4159)

WELLFLEET BCN01912 BACKBONE CONCENTRATOR NODE (1728)

Leviton Surge Suppressor & Noise Filter 51240-WM (4160)

PHOENIX CONTACT CM 62-PS-230AC/5DC?/1 POWER SUPPLY (4161

PHOENIX CONTACT CM 50-PS-230AC/24D?C/2.5/F (4162)

Bussmann CUBE Fuse Holder W/ 6 AMP Fuse (4163)

Bussmann CUBE Fuse Holder W/ TCF 15 Dual Element (4164)

Bussmann CUBE Fuse Holder W/ TCF 60- 600V (4165)

Bussman Optima OPM-1038RC (4166)

SIEMENS BOS14321 I-T-E BD SWITCH PLUG 30AMP (1567}

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META MEC circuit breaker model ABS 33b 30A 3P (2022)

Allen Bradley Motor Protector 140M-C2E-B16 Ser B (4167)

Intermec # 2870 Fixed Mount Scanner "nib" (1569)

GE General Duty Safty Switch TG4324 Model B (4344)

Flowline LC42-1001 Sensor Relay Control (3188)

Allen Bradley Relay 700-HK36A1 with base (2640)

Allen Bradley Relay 700-HK36A1 with base (2641)

Rollseal Smart 50 Smart50 Rapid Roll Door Controller

Red Lion Controls CUB3LR 6 Digit Counter w/case (3191)

Furnas Magnetic Motor Starter 14FS+32A* Size 2 - New

Square D Magnetic Motor Starter Size 1 8536 SC01 - New

Red Lion LIBC-1E00 LIBRA COUNTER (2639)

Johnson Controls P470 Eletronic Pressure Control (2029)

STELRON TRANSLATOR BT-20-MR-L, WALKING BEAM (4345)

STELRON TRANSLATOR BT-20-MR-K, WALKING BEAM (4346)

Allen-Bradley 100-A12NZ*3 CONTACTOR (2011)

Allen-Bradley 100-A18NZ*3 Contactor Ser B (2009)

Allen-Bradley 700-P400A1 CONTROL RELAY 10A (2010)

Allen-Bradley 100-C09Z*10 Ser A contactor (2005)