福建中立恒自动化设备有限公司
主营产品: 大型DCS系统备件,进口工业机器人备件,大型伺服系统电机驱动器,变频器,传感器,安全栅,编码器,电磁阀,流量计等机械或电气部件产品
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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。

Meguro MP 3010 Digital Laboratory DC Power Supply 0-30V 10A MP3010 Benchtop PSU

Yaskawa servopack SGDS-A5A01A 200v O/N R10608-053-3 Servo Drive SGDSA5A01A

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Shinko Technos PC-935-S/M Multi-Range BK Temperature Controller Shiko Technos Co

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Faulhaber Schonaich 3540K024C 367 W/ Minimotor SA 38/2 134:1 Planetary Gearhead

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West P6100 Digital Temperature Controller 2210102 S160 PRL 2I 6100

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OPTEX FA DR-Q400TN-LA Digital Transparent Object Laser Sensor DR-Q Series Rev. B

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Rittal SK3107000 Panel Heater 130/200W Inside Electrical Enclosure Heater

Beckhoff BK2000 Lightbus Bus Coupler BK 2000 24V DC 10A

Clifford  Snell Yodalarm Y030 D RF 24VDC Siren Signature Industries Ltd.

Siemens / ASM Siplace 00327025-01 Cover Strip Disposal Drive SII 00327025S01 ST

Siemens / ASM Siplace 00343831-03 Cover Strip Stuffing Gear 00343831 S03 ST

BROOKS GF125CXXC N2 15000Sccm SH47 01B82320826 GF125C-105882 Controller

IP-6S VER1.1 industrial IP-6S VER1.1 Back plane

Vexta PK545-NB 5-Phase Stepping Motor Oriental Motor


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