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推送:0100-71047省市县区域/直送2024全+境+派+送
发布时间: 2024-07-09 10:08 更新时间: 2024-11-10 08:30
观看推送:0100-71047省市县区域/直送2024全+境+派+送视频

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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Continental Industries RSDA-660-100-100 100 A Solid State Relay

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1 Numatics R30K04G REGULATOR W/ CHECK VALVE

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1 Reliance ELECTRIC 701819-AB MICRO SEMICONDUCTOR

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2 Moeller CI-PKZ0-G Insulated Enclosure For Surface Moting

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1 GE 7LYX013CC01 Circuit Board

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Y2CE2A296H7 Emergency Stop Pull Switch

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SIGMA INSTRUMENTS 506-200 CIRCUIT BREAKER

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AMETEK 1404 200PSI 1/2 ANPT LM PRESSURE GAUGE

Woerner KTR-A/3AB3114/105/205/TA Temperature Controller

1 Siemens 3TF5022-OAQO CONTACTOR 600VAC 150A.

GEM Sensors Pressure Transducer 1200SGH101JA3UA

1 York 025-28679-004 Pressure Transducer

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Balance Tech. D-31730-000 Pc Board

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3 SKINNER SOLENOID VALVE SV08-30

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Ferag Output 526-261-024

Honeywell Continuous Balance it 356358-3

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Allen-Bradley 700-PK400B11 SERIES D CONTROL RELAY

ATC 335B 351 A 10 PX MULTI RANGE TIMER

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Allen-Bradley 800H-3GH Push Button Station

Omron Link Terminal Relay it B7A-A02

Ross 992K77 Service Kit

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1 DEVAR 18-1001-I/P TRANSDUCER

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NOSHOK 25.310.160.PSI PRESSURE GAUGE

Parker 7130010-0001-4116 piston

Square D 9007-AW48 Limit Switch with Attachment

PHILLIPS 7C350P24RA BALLAST

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1 Edwards 5538-4 SIGNAL ACTUATOR


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