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

DEIF TAS-311DG SELECTABLE TRANSDUCER 100101188.10

DEIF TAS-331DG AC TRANSDUCER 100030318.60

DEIF TAS-331DG SELECTABLE AC TRANSDUCER 100054288.30

DEIF TAV-311DG VOLTAGE TRANSDUCER

DEIF TDG-210DG/2 DC INSULATION AMPLIFIER 2962880730.01

DEIF TMF-210DG/2 MAINS FREQUENCY TRANSDUCER 230VAC

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DEIF TRANSAL ACV-2 TB PROTECTION RELAY AND CONTROLLER 69479-25 23A

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DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 ECR

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 MAIN BRIDGE

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 PORT WING

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 STBD WING

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 UN41 TT

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 UN71 STBD MP

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 UN41 PORT MP

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 UN31 STBD MP

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 UN81 PORT MP

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 UN71 TT

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056237.60 UN81 TT

DEIF XDi144-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR ECR 400056237.60 UN31 PORT MP

DEIF XDi192-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056281.20 MAIN BRIDGE

DEIF XDi192-DUAL FLEXIBLE DISPLAY BRIDGE INDICATOR 400056281.20 UN41-1 STBD MP

DEIF XL144 RPM INDICATOR 304004

DEIF XL96 BRIDGEORDER INDICATOR 11205

DEIF XL96 PANEL INDICATOR 68704

DEIF XL96 PITCH INDICATOR 11198

DEIF XL96 PITCH INDICATOR 400034105.50

DEIF XL96 RPM INDICATOR 0 TO 250 RPM

DEIF XL96 RPM METER 11215

DEIF XL96 RUDDER ANGLE METER 600034474.10

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DEMAG MDKT ID.-No.: 70900905 NC3 System Intervace Panel

Demag Mdkt-Id.-No.: 70900905 Nc3 System Interface Panel

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DETAS MOTOR FILTER 900120

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DET-TRONICS X3301S MULTISPECTRUM IR FLAME DETECTOR HEAD 007197-052 REV F

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DISATAC DQ144S 8837-1 RPM TACHOMETER

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D-Link DIS-100E-5W / *HW Version: A1 Industrial Fast Ethernet Unmanaged Switch

DLOG IPC 6/215 C2/1200 15" TOUCH INDUSTRIAL PC

DN40-CH PSA DIN9872

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Dold & Sons Control Unit UG6911.10 8E 2 Two-Channel Output / *0063818

Dold & Sons UG6912.04 / Firm. Ver. 0.4 / 0063823 - Output Module OSSD

DOLD BN 5983.53 DC 24V

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DOMEL Invento Ec Controller Type: T 04/745.2.335-3 - 3,0 kW