IC693MDL760
IC693MDL760
IC693MDL760
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。
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G79314 Yaskawa SGD-01AN AC Servo Drive
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USED PULLOUT YASKAWA SERVOPACK SERVO PACK SGDH-04FE 100
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50 Pins plug connector servo cable for yaskawa
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Yaskawa Servo Controller TEL Unity 2 BC930310 working
Yaskawa JZNC-XIU01B Servo Amplifier JZNCXIU01B
Yaskawa Varispeed AC Servo Drive CIMR - PCU20P1
Yaskawa Servo Drive SGDH-02ADA 200W CNC/ROUTER
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YASKAWA SGMAH-08AAF41D **NIB**
SGDH-15AE Yaskawa AC ServoPack SIGMAII Servo Drive 230V
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YASKAWA LINEAR SERVO MOTOR SGLFM,XU-ACT97L,HEIDENHAIN
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Yaskawa SGMPH-08AAE41D 200v 750w New
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YASKAWA SGM-04AGSU11 Absolute Encoder
Yaskawa CPCR-MR154 K Servo Drive
Yaskawa Sigma I SGDA-01AP 100W SERVO MOTOR DRIVE CNC
Yaskawa HA-FH33 HAFH33
Yaskawa Servo Pack Amplifier SGDA-08AS
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Yaskawa servopack Servo Drive SGDA-04ASP 400W cnc 04AS
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SGDH-75AE Yaskawa AC ServoPack SIGMA II Servo Drive
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SGDH-20AE Yaskawa AC ServoPack SIGMAII Servo Drive
Yaskawa Servo Drive SGDS-20AY75AY577 New 0190-30699
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2 YASKAWAS 300 WATT MODEL USAREM03DE20B
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YASKAWA SGMAS-08ACA2B 750W 200V
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CACR-HR30UBY9 Yaskawa Yasnac AC Servo Drive ServoPack
CACR-HR15BB Yaskawa Yasnac AC Servo Drive ServoPack
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Yaskawa AC Servo SGDL-04AS & SGML-04AF 12 400W
CACR-SR10BB1AF Yaskawa Yasnac AC Servo Drive ServoPack
Yaskawa Servopack SGDS-A5A12A;Servo Mtr SGMAS-A5A2AJ161
YASKAWA SERVO PACK No. CACR-SR30TZ6SF-E
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CACR-PR01AC4ER Yaskawa Yasnac AC Servo Drive ServoPack
CACR-HR01BAB12 Yaskawa Yasnac AC Servo Drive ServoPack
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Yaskawa SGM-01A312 100W 200V NIB NEW
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Yaskawa Sigma II 4hp Servo Motor SGMGH-30ACA21
YASNAC YASKAWA SERVO DRIVE CPCR-MR 152GC CPCR-MR152GC
USED YASKAWA SERVO PACK CACR-HR15BB SERVOPACK DRIVE
CACR-SR01AC1ER Yaskawa Yasnac AC Servo Drive ServoPack
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SGDA-04AS Yaskawa AC ServoPack SIGMA I Servo Drive Unit
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Yaskawa Servo Cable 6 wire
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Yaskawa servo drive SGDA-01AS (SGDA01AS)
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used Yaskawa AC Elec. Servo Motor SGMS-30A6AB #5991LR
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Yaskawa Electric Corp. CNC
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MORI SEIKI SL15 SERVO DRIVE YASKAWA CACR-SR 05SB1AF
