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。

以下链接皆有货

INDRAMAT/REXROTH RMK12.2IBSBKL INTERBUS COMMUNICATION MODULE  

INDUCTION MOTOR BF4BB121A

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Industrial & Communication Products AV676SYS/2B Rack-Mount PC-210, 676, 135024

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Inficon Modul1000 Leak Detector w/ BOC Edwards XDS5 Dry Scroll Dry Pump, RS1067

Inficon Pirani Standard Gauge PSG050 399-501 with PSG050/100 (W) 350-982 Sensor

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Inficon UL 500 Dry Helium Leak Detector, Working and calibrated, 128886

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Infranor 00-D1-V22-F70 BFcp 90/9-0000000 | G3/PBF18

Infranor 00-V22 BFcp 90/9-0000000 | G3/PBF19

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Infranor SMT-BD1/1k 220/45T-BS Servo Drive Amplifier SMT-BD1/1k-220/45T-BS

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INGERSOLL 15S1G1381R01 3216190-D INDEXABLE COUNTERBORE, 4.OAL

INGERSOLL 15U1G-1202281R01 ALUMINATOR END MILL 3030247-A, 3 FLUTE 4.OAL

INGERSOLL CUTTING TOOLS YD1900095C8R01 INDEXABLE DRILL 10603

INGERSOLL CUTTING TOOLS YD1900095C8R01 INDEXABLE DRILL 3208478 3220049 028

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INGERSOLL-RAND AIR ASSEMBLY TOOL QA4AALS015NP25S06

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