IC695CP1320 GE

TRICONEX 3625 PLC
TRICONEX 3636R
TRICONEX 3664
TRIC0NEX 3700
TRICONEX 3701
TRIC0NEX 3703E
TRIC0NEX 3708E
TRICONEX 3721

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描述

CPU模块的工作电压一般是5V,而PLC的输入/输出信号电压一般较高,如直流24V和交流220V。从外部引入的尖峰电压和干扰噪声可能损坏CPU模块中的元器件,或使PLC不能正常工作。在I/O模块中,用光耦合器、光电晶闸管、小型继电器等器件来隔离PLC的内部电路和外部的I/O电路,I/O模块除了传递信号外,还有电平转换与隔离的作用。

FISHER ROSEMOUNT 95H124 USPP 95H124

FISHER ROSEMOUNT 513R-GS USPP 513RGS

FISHER ROSEMOUNT 9150027-594 USPP 9150027594

FISHER ROSEMOUNT ANALOG INPUT OUTPUT CARD 12P0663X032

FISHER ROSEMOUNT WEIGH SCALE CARD 41B5228X312 CL6921X1

NEW FISHER ROSEMOUNT CL6741X1-A1 41B7293X022 INTERFACE

FISHER ROSEMOUNT DI 24VDC DRY CONTACT CARD KJ3001X1-BB1

FISHER ROSEMOUNT 1051CD1A22A1ADF USPP 1051CD1A22A1ADF

FISHER ROSEMOUNT 1151-GP6S22M4B1 USPP 1151GP6S22M4B1

FISHER ROSEMOUNT CP6701X1-FA4 USPP CP6701X1FA4

FISHER ROSEMOUNT 95-H-135 NSPP 95H135

FISHER ROSEMOUNT 4211 USPP 4211