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MR-J2S-40A
MR-J2S-40A
MR-J2S-40A
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。
GENERAL ELECTRIC DS3800HSDD1D1F PC BOARD SOLENOID DRIVER
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GENERAL ELECTRIC DS3800HSHB1F1C PC CIRCUIT BOARD
GENERAL ELECTRIC DS3800HSPC1D1F SPEED POSITION INPUT BOARD
GENERAL ELECTRIC DS3800HSQD1E1B LOW HP SEQUENCE BOARD
GENERAL ELECTRIC DS3800HSQD1F1D SEQUENCE CARD
GENERAL ELECTRIC DS3800HSQD1J1G CIRCUIT BOARD
GENERAL ELECTRIC DS3800HSQD1J1G W/ DS3800DSQD1A1A CIRCUIT BOARD
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GENERAL ELECTRIC DS3800HUMB1A1A BOARD UNIVERSAL MEMORY
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GENERAL ELECTRIC DS3800HUMB1B1B MEMORY BOARD UNIVERSAL
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GENERAL ELECTRIC DS3800HVDB1K1G DRIVER BOARD
GENERAL ELECTRIC DS3800HXCA1D1D CIRCUIT BOARD
GENERAL ELECTRIC DS3800HXPC1D1F PC BOARD EXPANDER
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GENERAL ELECTRIC DS3800HXPE1A1A CIRCUIT BOARD
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GENERAL ELECTRIC DS3800NBID1E1D PC BOARD *REMANUFACTURED*
GENERAL ELECTRIC DS3800NBID1F1E ISOLATION CARD *REMANUFACTURED*
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GENERAL ELECTRIC DS3800NTRD1F1F PC BOARD
GENERAL ELECTRIC DS3800NTRD1F1F PC BOARD (AS PICTURED)
GENERAL ELECTRIC DS3800NTRD1F1F PC BOARD *REMANUFACTURED*
GENERAL ELECTRIC DS3800NTRF1F1E CONTROL BOARD
GENERAL ELECTRIC DS3800NTSC1A1A SENSOR CARD
GENERAL ELECTRIC DS3800NVCD1C1C CIRCUIT BOARD