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。
以下链接皆有货
QUINCY COMPRESSOR 2013400282 OIL FILTER
29215 EMERGENCY STOP BOOT KIT INGERSOLL RAND
1 1/4" VALVE CHECK INLINE - FOR BACKUP STABBER REXROTH R900420511
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206-924 ROHS LED PANEL INDICATOR LIGHT GREEN LOT OF 16
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999-05-1047 AUTELDAC 4 GAI TRONICS KEYPAD PCB
20020891 NOV SHAFFER TOOL SPANNER 1-1/2" SL SB CHECK VALVE
VINTAGE GENERAL MOTORS ELECTRO-MOTIVE DIVISION 12-645-E1 DIESEL ENGINE NAMEPLATE
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714-2530 SEAL KIT 5K714-2530
1055093 PISTON ASSY MC HYDRAULIC AIR OIL PUMP 10-550-93 (199734-36)
S-436 STEAM PACKING 4" OTECO
476-0250-644 MECHANICAL SEAL KIT 341 A 4x4 AURORA PUMP 4760250644
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99-04004 REPAIR KIT AIR CYLINDER
1-307-15-130 LIQUID TURBINE FLOWMETER INTERNAL ASSY 1931454-01 HYDRIL
02250168-084 OIL FILTER SULLAIR AIR COMPRESSOR REPLACEMENT FILTER
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P-055474-00004 REXROTH R431003742 PNEUMATIC VALVE REPAIR KIT
9750151 SEAL KIT FOR STAFFA HYDRAULIC MOTOR
7515140 FILTER REPLACEMENT 18034055 ( R-7515140 )
9200-3128 ECOLAB PWB PCB
AYU901-2127G N-16KTS OKI PHPCB CARD
77396 O-RING REPAIR VALVE KIT 30099 PH-60D PRKER
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AIR BRAKE DIAPHRAGM 7" DIAMETER TYPE 24
646886-02 TORQUE PIN THERADED FOR SSMC
40039282 EMD J GASKET ELECTRO-MOTIVE EMD LOT OF 10
3002-2121 SEAT KOOMY
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1000-4351 KOOMY BLADDER ACCUMULATOR
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8028098 INJECTOR CLEVIS PIN ELECTRO-MOTIVE EMD 2
9571659 GASKET ELECTRO-MOTIVE EMD 00
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4170-44-01 IMPELLOR 8 1/2" , 602208647 IMPELLER NOV MISSON CENTRIFUGAL PUMP
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40145634 EMD VALVE BRIDGE AND LASH ADJUSTER ELECTRO MOTIVE DIESEL
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9544292 MEIKO DETERGENT PERISTALTIC DOSING PUMP TYPE PP
790000015 COUPATAN TIMER 610238
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7602-2130-91 OIL SEAL FOR EMSCO T-3750 ROTARY TABLE 8947LPD RUBBER SEAL
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1/"8 GREASE FITTING 204220 8
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D08P METSO AUTOMATION DIGITAL OUTPUT MODULE D201129, DO8, D08P
BR17A6 EAGLE SIGNAL CONTROLS WASH TIMER BR17A6 6TM
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103688-3 HOBART Z669300048 THERMOSTAT FOR HOBART
4543415 DRAGER POLYTRON TX TRANSMITTER SENSOR
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1006882-1 LOWER SEAT 5-1/4" HYDRIL KELLYGUARD DRILL
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ERM-3 TOYO KEIKI 3 PHASE WATT CONVERTER
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32456212 SHAFT PRIMER HAMWORTHY
30154362 SMALL BORE BEARING SHIELD FOR TDS
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KMW 582030-A PCB CARD
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FDK2-F2 APPLETON REPLACEBLE TUMBLER SWITCH
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42495911 INGERSOLL RAND INLET VALVE CYLINDER
646229 FESTO FILTER BOWL /
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1290114 SHIM, CROSSHEAD PIN RETAINER MAKE NOV LOT OF 6 SET (1 SET 2EACH)
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