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。
ASML 859-0515-006 Exciter Lamp Module Semiconductor Lithography
Varian Semiconductor Equipment 109385001 Center Faraday Chamber
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Varien Semiconductor 108381001 Electrode Suppression Assembly
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Varian Semiconductor VSEA 105087001 Beam Gate Bias Ring Reseller Spare
Varian Semiconductor H5179001 Mass Analysis Slits Assembly
ASM Advanced Semiconductor Materials 2843641-01 Gate Valve Door
ASM Advanced Semiconductor Materials 3753492-01 SHIELD-PCE RIGHT SIDE-300MM
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Varian Semiconductor Equipment E11538380 Wafer Viewing PS Module
IC ELECTRONIC SMC 33 DA 40 15 SEMICONDUCTOR MOTOR CONTROLLER
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PC Current Source VSEA
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Varian Semiconductor VSEA 109003001 Pneumatic Lift Assembly F9588001
Varian Semiconductor VSEA 2301798 100mm Lower Electrode
ASM Advanced Semiconductor Materials 02-30031 Z-Axis Stepping Driver
ASM Advanced Semiconductor Materials 02-30031 Z-Axis Stepping Driver Rev C Spare
ASM Advanced Semiconductor Materials 02-30030 Y-Axis Stepping Driver
Varian Semiconductor Equipment 105524005 125mm CC Base Plate VSEA
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3RW4036-1BB04 AC Semiconductor Motor Starter 3RW4036-1BB04
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ASM Advanced Semiconductor Materials 16-195930-01 LOTO Hinge Shaft
SIEMENS 3RW3346-0EC34 AC Semiconductor Motor Starter
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275572 4003C3025AS GR1 - GE SCR Semiconductor
275572 4003C3025AR G1 - GE SCR Semiconductor
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TDK Wafer FOUP Load Port MPC-T0072A-12 Board IF MAP Semiconductor Spare
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Shipping not specified
ASM Advanced Semiconductor Materials 73065-00005A ADS Control Board
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Keyence LK-G502 semiconductor laser
Applied Materials 0020-30710 RING CLAMP SEMICONDUCTOR PART
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Varian Semiconductor Equipment VSEA 105080001 Flag Shield Rev. 2
Varian Semiconductor Equipment VSEA 107404001 Aperture Shield Spare
386642 / PCB, HV-SMPS CONTROLLER INTERFACE BOARD / FUSION SEMICONDUCTOR SYSTEMS
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MC33972ATEW scale Semiconductor 1000pcs Factory Pack
MC33972ATEWR2 scale Semiconductor 1000pcs Factory Pack
MC33972TEW scale Semiconductor 1000pcs Factory Pack
MC33972TEWR2 scale Semiconductor 1000pcs Factory Pack
MCZ33972EWR2 scale Semiconductor 1000pcs Factory Pack
MCZ33972TEWR2 scale Semiconductor 1000pcs Factory Pack
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LINEAR SEMICONDUCTORS DC9000A / DC9000A
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