BENTLY 330850-90-05

• 型号：330850-90-05


• 数量：3


• 制造商： 厦门雄霸电子商务有限公司


• 有效期：2020/10/9 0:00:00

BENTLY 330850-90-05

BENTLY 330850-90-05

BENTLY 330850-90-05

1．PLC的类型

PLC按结构分为整体型和模块型两类，按使用环境分为现场装置和操控室装置两类；按CPU字长分为1位、4位、8位、16位、32位、64位等。从使用视点动身，一般可按操控功用或输入输出点数选型。整体型PLC的I/O点数固定，因而用户挑选的地步较小，用于小型操控系统；模块型PLC供给多种I/O卡件或插卡，因而用户可较合理地挑选和配置操控系统的I/O点数，功用扩展方便灵活，一般用于大中型操控系统。

2．输入输出模块的挑选

输入输出模块的挑选应考虑与使用要求的共同。例如对输入模块，应考虑信号电平、信号传输距离、信号隔离、信号供电方式等使用要求。对输出模块，应考虑选用的输出模块类型，一般继电器输出模块具有价格低、使用电压规模广、寿命短、呼应时刻较长等特点；可控硅输出模块适用于开关频繁，电理性低功率因数负荷场合，但价格较贵，过载能力较差。输出模块还有直流输出、沟通输出和模拟量输出等，与使用要求应共同。可根据使用要求，合理选用智能型输入输出模块，以便进步操控水平缓下降使用成本。考虑是否需求扩展机架或长途I/O机架等。

3.电源的挑选

PLC的供电电源，除了引进设备时同时引进PLC应根据产品说明书要求规划和选用外，一般PLC的供电电源应规划选用220VAC电源，与国内电网电压共同。重要的使用场合，应选用不间断电源或稳压电源供电。如果PLC自身带有可使用电源时，应核对供给的电流是否满足使用要求，不然应规划外接供电电源。为避免外部高压电源因误操作而引入PLC，对输入和输出信号的隔离是必要的，有时也可选用简略的二极管或熔丝管隔离。

4.存储器的挑选

由于计算机集成芯片技术的开展，存储器的价格已下降，因而，为保证使用项目的正常投运，一般要求PLC的存储器容量，按256个I/O点至少选8K存储器挑选。需求复杂操控功用时，应挑选容量更大，档次更高的存储器。

BENTLY 3500/33(149986-01)

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BENTLY 3500/42M(176449-02)

BENTLY 128229-01

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BENTLY 125680-01 前卡3500/40M

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BENTLY 330780-90-00

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BENTLY 3500/22M P/N138607-01

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BENTLY 3500/94 P/N145988-01

BENTLY 1X35869

BENTLY 3500/15 106M1081-01

BENTLY 133396-01 3500/53

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BENTLY 330103-00-03-05-02-05

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BENTLY 3500/22M/288055-01 146031-01

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BENTLY 3500/60 P/N 163179-01

BENTLY 84149-01 

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