0100-00525板卡等工控备件优势经销

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。

ABB CONTROL GA4831-A PCB 4387R1-F

ABB CP-E24/10.0 SWITCH MODE POWER SUPPLY 1SVR427035R0000

ABB CS502V1 3BSC980008R17 PCB MODULE CARD

ABB CS502V1 3BSC980008R17 PCB MODULE CARD

ABB CS502V1 3BSC980008R17 PCB MODULE CARD

ABB CS502V1 3BSC980008R17 PCB MODULE CARD

ABB CS503V1 3BSC980004R85 PCB CARD

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ABB D0810-1 PCB MODULE 3BSC980004R277

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ABB DI810 DIGITAL INPUT MODULE WITH TERMINATION UNIT

ABB DI810-1 PCB MODULE 3BSC980004R275

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ABB DO810 DIGITAL OUTPUT MODULE WITH TU810V1 TERMINATION UNIT

ABB DRIVES STROMBERG ANALOG OUTPUT MODULE PCB DRIVE DAC86-16CH 5761379-3B

ABB DSAI 130 ANALOG INPUT MODULE 57120001-P

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ABB DSPB-120 DISPLAY PROCESSOR BOARD 57540001-T/3, DSPB120, 57540001T3

ABB DSPC-157 MAIN COMPUTER BOARD 57310001-GP/2 , DSPC157

ABB DSQC 223 BOARD YB 560 103 BD/4

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ABB DSQC 224 ANALOG OUTPUT BOARD 2268-165-1/3

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ABB DSQC 315 I/O BOARD 3HAB2214-1/2 DSQC315 3HAB2214-8/4

ABB DSQC 335 PC BOARD 3HAB6182-1 DSQC335

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ABB DSQC-239 REMOTE I/O BOARD DSQC239

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ABB DSQC-256A PC BOARD 3HAB 2211-1/1 DSQC256A

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ABB DSQC-328 DIGITAL I/O MODULE 3HAB-7229-1 , DSQC328 , 3HAB72291

ABB DSQC-504 CONNECTION BOARD 3HAC5689-1/03 DSQC504

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ABB PCB 3BSC980050R24 PM153 YWP-H / FAST  BY DHL / FEDEX

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ABB PCB 3BSE003646R1 BB150 / FAST SHIP DHL OR FEDEX

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ABB PU516 3BSE013064R1 PCB MODULE

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ABB SDCS-FEP-1 3BSE006309R0001 CONTROL CARD FOR OVER VOLTAGE

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ABB SINT-4030C REV. E POWER BOARD SINT4030C

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ABB SMIO-01C CONTROL BOARD 68631343

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Abb SNAT 607MCI 61027769F Pcb Circuit Board

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ABB SNAT 632 PAC REV.B 61049428 Pulse Amplifier Pcb Circuit Board

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ABB STROMBERG BIAC-2000 PC BOARD 570 03401 1/2

ABB STROMBERG BIAC-2000 PC BOARD 570 03401 1/2