福建中立恒自动化设备有限公司
主营产品: 大型DCS系统备件,进口工业机器人备件,大型伺服系统电机驱动器,变频器,传感器,安全栅,编码器,电磁阀,流量计等机械或电气部件产品
0100-02075板卡等工控备件优势经销
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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GENERAL ELECTRIC 531X139APMAKM7 ISO MICR-APPL CARD REPAIRED

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GENERAL ELECTRIC 531X152I0CAKG1 OVERCURRENT IOC BOARD

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GENERAL ELECTRIC 531X152IOCAKG1 IOC CARD 531X152IOCAKG1-W01

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GENERAL ELECTRIC 531X300CCHAEM2 CONTROL CARD DC300

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GENERAL ELECTRIC 531X300CCHAFM5 CONTROL CARD F31X300CCHALG2-002/02

GENERAL ELECTRIC 531X300CCHAFM5 CONTROL CARD F31X300CCHALG2-002/02

GENERAL ELECTRIC 531X300CCHAFM5 CONTROL CARD F31X300CCHALG2-002/02

GENERAL ELECTRIC 531X300CCHAFM5 CONTROL CARD F31X300CCHALG2-002/02

GENERAL ELECTRIC 531X300CCHAHM2 CONTROL CARD W/ 531X133PRUAKG1 BOARD

GENERAL ELECTRIC 531X300CCHAHM2 CONTROL CARD W/ 531X133PRUAKG1 BOARD

GENERAL ELECTRIC 531X300CCHAJM2 CONTROL CARD

GENERAL ELECTRIC 531X300CCHAJM2 CONTROL CARD

GENERAL ELECTRIC 531X300CCHAJM2 CONTROL CARD VA-4 F31X300CCHAFG1FR00

GENERAL ELECTRIC 531X300CCHAJM2 CONTROL CARD VA-4 F31X300CCHAFG1FR00

GENERAL ELECTRIC 531X300CCHAXM3 CONTROL CARD

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GENERAL ELECTRIC 531X303MCPAYG1 AC POWER SUPPLY BOARD

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GENERAL ELECTRIC 531X307LTBAJG1 LAN I/O TERMINAL BOARD

GENERAL ELECTRIC 531X307LTBAJG1 LAN I/O TERMINAL BOARD

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GENERAL ELECTRIC 53IXI34EPRBGGI ENCODER PROCESS BOARD

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GENERAL ELECTRIC 752 BRUSH HOLDER 752 DC MOTOR 41C632667G1 GE752

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GENERAL ELECTRIC 7VRBB079CC01 CIRCUIT BOARD 36A35295IAD-A-XI

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GENERAL ELECTRIC 7VRBB100CC01 CIRCUIT BOARD 36A35295IAD-A-XI

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GENERAL ELECTRIC 7VRBB100CC02 CIRCUIT BOARD

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GENERAL ELECTRIC 7VRBB100CC03 CIRCUIT BOARD 36A35295IAD-A-XI

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GENERAL ELECTRIC DC3800HAIC1A1A SPPEDTRONIC PCB CARD

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GENERAL ELECTRIC DC3800HAIC1A1A SPPEDTRONIC PCB CARD

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GENERAL ELECTRIC DC3800NVCD1B1B PCB CARD

GENERAL ELECTRIC DC3800NVCD1B1B PCB CARD

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GENERAL ELECTRIC DS3800HPLA1B1C INTERFACE CARD

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