IC693MDL752

IC693MDL752

IC693MDL752

CPU主要由运算器、控制器、寄存器及实现它们之间联系的数据、控制及状态总线构成,CPU单元还包括外围芯片、总线接口及有关电路。内存主要用于存储程序及数据,是PLC不可缺少的组成单元。

在使用者看来,不必要详细分析CPU的内部电路,但对各部分的工作机制还是应有足够的理解。CPU的控制器控制CPU工作,由它读取指令、解释指令及执行令。但工作节奏由震荡信号控制。运算器用于进行数字或逻辑运算,在控制器指挥下工作。寄存器参与运算,并存储运算的中间结果,它也是在控制器指挥下工作。


CPU速度和内存容量是PLC的重要参数,它们决定着PLC的工作速度,IO数量及软件容量等,因此限制着控制规模。

I/O模块

PLC与电气回路的接口,是通过输入输出部分(I/O)完成的。I/O模块集成了PLC的I/O电路,其输入暂存器反映输入信号状态,输出点反映输出锁存器状态。输入模块将电信号变换成数字信号进入PLC系统,输出模块相反。I/O分为开关量输入(DI),开关量输出(DO),模拟量输入(AI),模拟量输出(AO)等模块。

常用的I/O分类如下:

开关量:按电压水平分,有220VAC、110VAC、24VDC,按隔离方式分,有继电器隔离和晶体管隔离。

模拟量:按信号类型分,有电流型(4-20mA,0-20mA)、电压型(0-10V,0-5V,-10-10V)等,按精度分,有12bit,14bit,16bit等。

除了上述通用IO外,还有特殊IO模块,如热电阻、热电偶、脉冲等模块。


按I/O点数确定模块规格及数量,I/O模块可多可少,但其最大数受CPU所能管理的基本配置的能力,即受最大的底板或机架槽数限制。

电源模块

PLC电源用于为PLC各模块的集成电路提供工作电源。同时,有的还为输入电路提供24V的工作电源。电源输入类型有:交流电源(220VAC或110VAC),直流电源(常用的为24VDC)。

底板或机架

大多数模块式PLC使用底板或机架,其作用是:电气上,实现各模块间的联系,使CPU能访问底板上的所有模块,机械上,实现各模块间的连接,使各模块构成一个整体。

SAFTRONICS EZ-START EZS-125 *NICE*

SAFTRONICS DC DRIVE MODEL DF8-10 P/N A300055 180 VDC

SAFTRONICS INC. DF8-10 DC DRIVE A300055

SAFTRONICS DY4-180 / DY4 SMPS /AA1080-1 BOARD (parts)

SAFTRONICS CIMR-G5U43P7 AC DRIVE ***XLNT***

Saftronics GP10 Vector AC Drive GP10E9ST34040B1 40 HP

Saftronics GP10 Vector AC Drive GP10E9ST34050B1 50 HP

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SAFTRONICS DE2-10-2 SCR speed control (NIB)

SAFTRONICS CIMR-PCU20P7 AC DRIVE ***XLNT***

SAFTRONICS CIMR-XCBU21P5 VSM MINI DRIVE 3PH 230VAC*NIB*

SAFTRONICS CIMR-G3U42P2/42?P21 DRIVE **XLNT**

Leesona Saftronics Drive 1hp 1 hp 968-1492-52 CA 246-2

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Saftronics Solid State Motor control:

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Saftronics G3 AC Drive CIMR-G3S4015 20 - 25 hp 3 phase

SAFTRONICS CIMR-P5U4015 25 HP FREQUENCY INVERTER 

Saftronics Isolation Board Card CA 224 CA224

SAFTRONICS (EZ2310X) DRIVE MOTION CONTROLLER BOARD NEW


SAFTRONICS CIMR-G5U40P4 USPP CIMRG5U40P4

Yaskawa Saftronics Magnetek MiniVector 2HP 460VAC 
Model CIMR-V7AU40P7

Saftronics Voltage Converter Board CA133-3 CA 133-3 

Saftronics GP5 - 3 Phase AC Drive - Model CIMR-P5U41P5

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Saftronics Single Phase DC Drive DE2-01-1 14A

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Saftronics DC6 Chassis for Solids State Drive
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Saftronics GP10 Open Loop Vector AC Drive - GP104005-4

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SAFTRONICS DCM DCREG2.330 DIGITAL DC DRIVE 200 HP * NEW

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Yaskawa / Saftronics G5 CIMR G5U40P7, 1HP, GPD515
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Saftronics DC400 Control

SAFTRONICS ELECTRIC MOTOR, SPEED CONTROL INVERTER

SAF SAFTRONICS A1200-1 A1200-R A650-L TESTED

Yaskawa / Saftronics / EMS CIMR XCBU21P5, 230 V
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SAFTRONICS DCREG4 DCREG4.180 DIGITAL DC DRIVE 100HP NEW

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Saftronics PC3 Inverter Drive 460v AC 3/4HP PCD40P4

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Yaskawa / Saftronics VG5 CIMR G5U42P2, 42P2, 3HP, 460V
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Saftronics GP10 5HP Drive, GP10E1ST34003F1?, 460 v 
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Yaskawa / Saftronics E7 CIMR E7U42P2, 42P2, 3HP, 460V
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Saftronics 2HP 115/230V DF8-10, A300055 

SAFTRONICS VG5 AC DRIVE CIMR-G5U40P4 (14-15)

Saftronics SY6-9 Series Mini-Start Solid State Starter

Saftronics CIMR-XCBU40P7 AC Variable VSM Drive NNB

Saftronics Variable Frequency AC Drive VG541P5 0-400hz

Saftronics CIMR-XCBU20P1 VSM Mini-Drive Inverter NIB

Saftronics Vector Drive C10-4001-01 

SAFTRONICS SY6-09 Solid State Starter 115-600v 50/60hz

SAFTRONICS CIMR-XCBU20P4 VSM Mini Drive 3PH 0-230v NIB

Saftronics SY6-09 Solid State Starter 575V 40A 40HP NIB

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Saftronics CA 181-2 DC motor drive regenerative

Saftronics CA 183-2 DC drive converter board CA1832 NNB

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