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
AC Drive ABB ACS550-U1-09A06 7.5hp 600V Ac Drive
Ac drive ac tech M1510B 1hp 480/590V 3ph
Ac Drive Ac Tech M1530C 3hp 480/590V 3ph
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ac drive Ac tech VSD57VD75S66 75hp 480/590V
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Ac drive Cutler Hammer SV9000 SV9010AS-5M0A00 440-500V 15/21A
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Ac Drive Cutler Hammer SV9000 SV9040AS-6M0A00 525-690V 42/52A
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Ac Drive Cutler Hammer SV9000 SV9050AP-5M0A00 50HP 440-500V
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Ac Drive Siemens 6SE3221-0DC40 380-500V 10.2A 47/63Hz 7.5HP
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AC servo motor Yaskawa SGMGH-09ACA61 850w 5.39Nm 1500rpm 7.1A 200V
AC TECH L12050A 5 HP 230V (S3, L1)
AC TECH M1520B 2hp 480/590V 3ph Ac Drive
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AC Technology Corp. 605-083B Circuit Board 6-Terminal 16-Small Pins 12-Tall Pins
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ACCO 77C3054 Double Basket Continuous Chain Sling 3/8" X 4'5" 17100Lb at 60°
ACCO 78C1113 Single Basket Continuous Chain Sling 3/8" X 6'3" 11400Lb at 90°
ACCO 81C1561 Double Basket Continuous Chain Sling 3/8" X 5'7" 11400Lb at 60°
ACCO 90T4693 Double Basket Continuous Chain Sling 3/8" X 6'1" 18500Lb at 60°
ACCO 98T322 Double Basket Continuous Chain Sling 3/8" X 5'7" 18400Lb at 60°
ACCRETECH AT50339 ATC ON REQ
Accu-Count Vibratory Parts Feeder 17" Aluminum Bowl 120V
ACCUGLIDE 35B LINEAR BALL BEARING CARRIAGE
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ACCURAY 64844002 PROCESS INTERFACE CIRCUIT BOARD
ACCUSORT 2755NB40 BAR CODE ACCESSORY U.S. WIRING BASE
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ACP3044BC - Appleton - Plug
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ACS255-03U-09A0-6
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AD SYSTEMS CORPORATION MICRO NET SYSTEM
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ADCMT 6146 DC Voltage / Current Sources / Monitors ADC
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ADCMT 6240A DC Voltage / Current Sources / Monitors ADC
ADCMT 6240A DC Voltage / Current Sources / Monitors ADC
ADCMT 6242 DC Voltage current soure
ADCMT 6243: DC Voltage Current Source/Monitor
ADCMT 6244 DC Voltage / Current Sources / Monitors ADC
ADCMT 6246 DC Voltage / Current Sources / Monitors ADC
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ADCMT 8240 DC Voltage / Current Sources / Monitors ADC
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ADLINK Technology MXC-2002/HDD320G(G)
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ADR1044 - Appleton - Receptacle
ADR15034 - Appleton - Receptacle
ADR3044 - Appleton - Receptacle
ADR6033 - Appleton - Receptacle
Adult only item - Requires verification
Advance Tooling Systems ATS Collet CNC Lathe Chuck