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。

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020-654-058-000 / I-LINE FILTER MODULE / APPLIED MATERIALS

234038-002 / MOTOR STIRRER W/CONT 24V 100W / LINDE ELECTRONICS

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0100-01341 / PCB ASSY DNET INTERFACE BOARD / APPLIED MATERIALS AMAT

246695-006 / MOTION CONTROL FIRMWARE, 254386-001.K, 002.K, 003.K / ELECTROGLAS

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004876 / SMART WAND BOARD / FOSS INDUSTRIES INC

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BV-070CRF-TU-A05A /MOTOR 50-60HZ 200V 070CRFTUA05A03 /MATSUSHITA

PMT-05C /HIGH VOLTAGE POWER SUPPLY 24V-30V, 0 TO 500V-8MADC /BERTAN

247213-001 / PCB, MOTHERBOARD ASSY SBC 2B 94V Q 97-28 / ELECTROGLAS

AP-1035B / PCB ASSEMBLY CERC-001 FOR CEYC-00XX RCN / DNS DAI NIPPON SCREEN

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569197 / NPL FLUOTAR 50KX/0.85 DF OPTICS / LEITZ WETZLAR

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80212A / PCB, SHUTTLE INTERFACE / SVG

C416-22-000 / VALVE VACUUM IPV25PKS EDWARDS / EDWARDS VACUUM

D300-09907A / SOLMANIFOLDER, CYLINDER, S0700-03-CJNZ2218 / SMC

0020-20431 / COLLIMATOR, 6 INCH / APPLIED MATERIALS AMAT

22-136134-00 / AERA TC FC-D981SBC, MASS FLOW CONTROL, GAS N2 / NOVELLUS

MSD043A1XX09 / AC SERVO DRIVER ENCODER 2500 P/T, 3 PH 200 V, 400 W / PANASONIC

Y5304902 / PCB, DSF VME INTERFACE / BIORAD MICROMEASUREMENTS

2RK6GK-AA / REVERSIBLE MOTOR / ORIENTAL MOTOR

002-6331-23 / ROBOT CONTROL CABLE 25 PIN (PAIRS W/ 002-6332-23, 002-6333-23)

MT400-18 / POWER SUPPLY MODULE WBL-BPS18V22A / ADVANTEST

250A 672216 / CONTROLLER BARATRON PRESSURE METER FLOW / MKS

0021-01317 / OUTER SHIELD TXZ 200MM / APPLIED MATERIALS AMAT