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福建中立恒自动化设备有限公司 » 公司新闻

发布时间：2024-11-05

福建中立恒自动化设备有限公司

输入/输出滞后时间又称系统响应时间，是指PLC部输入信号发生变化的时刻至它控制的有关外部输出信号发生变化的时刻之间的时间间隔，它由输入电路滤波时间、输出电路的滞后时间和因扫描工作方式产生的滞后时间这三部分组成。

输入模块的RC滤波电路用来滤除由输入端引入的干扰噪声，因外接输入触点动作时产生的抖动引起的不良影响，滤波电路的时间常数决定了输入滤波时间的长短，其典型值为10ms左右。

输出模块的滞后时间与模块的类型有关，继电器型输出电路的滞后时间一般在10ms左右;双向晶闸管型输出电路在负载通电时的滞后时间约为1ms，负载由通电到断电时的滞后时间为10ms;晶体管型输出电路的滞后时间一般在1ms以下。

PLC总的响应延迟时间一般只有几十ms，对于一般的系统是无关紧要的。要求输入输出信号之间的滞后时间尽量短的系统，可以选用扫描速度快的PLC或采取其他措施。

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SEMITOOL 14893 BOARD

SENSOR POWER 515-0084 PC BOARD REV.A 5150084

SEPRO CAF12 CONTROL BOARD CN89

SERIGRAFIA 06194028 BOARD

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SERVO DYNAMICS 7300-8081 DRIVE CARD SGL-1626-12-478 73008081

SERVOMEX 01800902A DIGITAL DISPLAY PCB CARD 3953-8954

SERVOMEX 01800913C TERMINALS PCB

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SEW EURODRIVE KAF67AM56-KS GEAR DRIVE RATIO 30.22

SEW EURODRIVE MDX61B0040-5A3-4-0T AC DRIVE MDX60A0040-5A3-4-00 DFP21B DEH11B

SEWELL INDUSTRIAL ELECTRONICS 6122 BOARD

SHINKO C-119100R0 LINE BEARING PUMP R130819057 PART NO: 41

SIEB & MEYER 26.44.0093 PC BOARD L960212E 26440093

SIEGER 01051-A-0162 01051-C-0121 01051-A-120 CIRCUIT BOARD 01051A0162

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SIEI ECS 1285-1 PC BOARD ECS12851

SIEI ECS 1295-1 PC BOARD ECS12951

SIEI ECS 1443-1 PC BOARD ECS14431

SIEIECS1273-3 CIRCUIT BOARD SIEIECS12733 SIEI ECS1273-3

Siemens 03400-A PC Board 03400A

SIEMENS 1007-613-01 POSITIONSDRUCK PCB CARD K0090

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SIEMENS 2588309-000 CIRCUIT CARD 2588309000

SIEMENS 31935 CONTROL BOARD W30809-B1017-W-4-B900, S30809-B1017-A-100Z-B900

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SIEMENS 3UB8123-4CW2 SOLID STATE OVERLOAD RELAY ESP200 48ATC3S00

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SIEMENS 505-6660 POWER SUPPLY MODULE 5056660 REPAIRED

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