0021-20817船舶半导体工控备件主板供应

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

ABB VFD ACS550-U1-03A3-4 1.5HP 3.3A 380-480V 3PH

ABB VFD ACS601-0006-4-000B1500801 5HP 7.6/6.2A 500V 3PH ACS 600

ABB VFD ACS800-U1-0006-5 5HP 380-500V 3PH COSMETIC DAMAGE

ABB VFD ACS800-U1-0016-5 15HP 19A 280-500V 3PH 65KAIC 90DAY

 ABB VFD in Enclosure ACH550-UH-023A-4  5H4153-COFH NEMA 3R

ABB VFD SPEED FREQUENCY CONVERTER ACS601-0009-5-000B1200800 7.5HP 11/7-11/7.6A 3

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ACS ENGINEERING B.V. CIRCUIT BOARD 381089B REV A 381089A 20091523 511381189

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ADALET EXPLOSION PROOF 460V, 3 Phrase, XJF081006 Motor Starter

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Adalet Explosion Proof Push to On Switch. 20093 XHPBM Push Button Panel

 ADALET EXPLOSION-PROOF CONTROL ENCLOSURE XCE-121208-N4 NEMA 4

ADALET EXPLOSION-PROOF PUSHBUTTON BLACK XHPB 20072 -  

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Adalet XJMAGC Explosion Proof Meter Housing w/ Simpson F451460 1TZ52 Digital

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ADAM ADAM5181 REV A2 8SLOT BASE UNIT    

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ADAMS RITE MFG. CO 8099-00-3236  NIB exit device 8400 series

Adaptabeacon Visual SIgnal - 50R-N5-40WH - Red Lens,120VAC C3

ADC BROADBAND COMMUNICATIONS HX7L08DT1116

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Adept 10330-00500 | ASSY 10330-00500 REV.:B

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Adixon Pfeiffer Adixen 1003XN L2KF267Z2G AP3117234 Vacuum Dry Pump, 148063

Adixon Pfeiffer Adixen 1003XN L2KF267Z5G Vacuum Dry Pump, 148042

Adixon Pfeiffer Adixen 1003XN L2KF267Z6G Vacuum Dry Pump, 148106

Adixon Pfeiffer Adixen 1003XN L2KF26QZ4G Vacuum Dry Pump, 148108

Adixon PfeiffeR Adixen 1003XN L2KF2E235G Vacuum Dry Pump, 148151

Adixon Pfeiffer Adixen 1003XN L2KF2E236G Vacuum Dry Pump, 148032

 ADJUSTABLE FREQUENCY ACCUTROL 300 A31251-1026 125HP 156A 460V 3PH 1

 ADJUSTABLE FREQUENCY CONTROL ACCUTROL 200 34/39.5A 460V 50/60HZ 1 Y

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Advanced Energy 3150086-003 Astech ATL-100RA Automatic Matching Network, 108573

Advanced Energy 3150086-003 Astech ATL-100RA Automatic Matching Network, 112044

Advanced Energy 3150086-003 Astech ATL-100RA Automatic Matching Network, 118389

Advanced Energy 3150110-000 RF Match, 24 VDC, 3000 Watts, 13.56MHz, 423358

Advanced Energy 3150110-000 RF Match, 24 VDC, 3000 Watts, 13.56MHz, 423321

Advanced Energy 3150273-004 RF Match, 13.56 MHZ, 10KW, Water Cooled, 417015

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