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。

ZAKANG KW/USB-Z LEVEL TRANSLATOR

Thin Client ASTEC A3300 VER 1.35 System Board Motherboard  CPU w/ 1GB MEMORY

Thermo Scientific 97000-63017 Assy Cable MULT-HV/ANAL TOP COVER

lot of 7 SCOPUS / Sanyo Denki SanAce40 109P0412G3E033 Fan For IVG 7300

Seagate Cheetah ST3300655LC 9Z1006-002 300GB 15.5K F/W 0003 3.5" Internal HDD

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Dell CP464 Seagate ST31000640SS 1TB 1000GB 3.5" 7.2K 3Gb/s SAS Hard Drive

Western Digital Caviar 34300 AC34300-00LB 4.3GB Hard Drive Disk IDE

WESTERN DIGITAL WD200BB-00CAA1 3.5" IDE HARD DRIVE 20GB

SAMSG SCX-FAX210 Analog Fax anatel 2327-08-1963

Samsg 8GB PC3-10600R DDR3-1333MHz ECC Reg 240P DIMM M392B1K70CM0-CH9 MEMORY

IBM 59Y5306 59Y5300 0A36094 1TB 7200 7.2K rpm SATA Hard Disk drive HDD 3.5"

RADWIN MT0129070 RD341017/N/A/A 2.4-2.5GHz 7.25dBi ANTENNA

BROOKS RSK9-20 CABLE

 1004183-01 CABLE

Medlinket VT047BBI VT047BB Cable

IBM 09L5107 3590 11.5FT/3.5MT Cable Hammer Head 68-pin to HCDI Connector

Dell JU081 PowerEdge 2950 750W Power Supply

Dell FR619 H275E-00 Optiplex 745 755 SFF 275W Power Supply

Dell PowerEdge M1000E Blade Chassis CMC I/O Controller Module FM634

HEWLETT PACKARD HP 5042-2417 5042-2416 RIGHT  LEFT HALF

HP PX2610401-12 QLE2464-HP 4.0GB FC PCI-E HBA Quad Port Card 455088-001

HP 666170-B21 FB PCIE 10GBE 1P MLNX CX-2 NIC KIT

LOT OF 10 HP 416356-001 1GB PC2-5300 DDR2 SDRAM Server Memory 405475-051

IBM LENOVO 39T5454 LAPTOP THINKPAD MOTHERBOARD 39T5278 ATI MOBILITY FIRE GL T2

IBM  Lenovo Genuine 04W0425 15.6" LCD Screen B156XW02 V.2

Fortinet FortiWiFi 30E FWF-30E Security Appliance P17460-03-04 ( NO ADAPTER)

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Sony HMZ-T3-P Personal 3D Viewer Processor it ONLY (NO ADAPTER)

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IBM  Lenovo Genuine 42T3221 Keyboard Hebrew for ThinkPad T61 R61 R60 Z61

IBM  Lenovo Genuine 13N7180 ThinkPad ThinkPad LCD Screen 12.1" 3000 V100

IBM TS3100 413-02A 351 146 413-02A BACKPLANE Controller Board

IBM 59Y5310 59Y5287 1818-G1A Fan Module-1 100037-882 P37408-20-B for EXP5060

5PCS SMC VDW250-5G-2-H-X5 0.7MPa 24VDC Solenoid Valve

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Lenovo IBM 04X1765 12.5" Laptop Screen X240 20AL 20ML BOE HD AG Panel

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IBM  Lenovo Genuine 42X3846 Lcd Rear Cover for Laptop T61

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Logitech 888-000369 Blue Yeti USB Microphone

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HITACHI 3276151-B DF-F800-K3BS DATA TRANSFER CABLE 3M

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INTEL DG43GT AA E62768-303 LGA 775 Motherboard w/ Intel E5200 SLB9T CPU

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Hitachi Data Systems P9500 5541810-A HDD POWER MODULE *Pulled*