廈門泰尼電氣有限公司
主營(yíng)產(chǎn)品: AB模塊PLC |
廈門泰尼電氣有限公司
主營(yíng)產(chǎn)品: AB模塊PLC |
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1753-OPC 1753-OPC
1753-OPC 1753-OPC
PLC輸入/輸出滯后時(shí)間(PLC系統(tǒng)響應(yīng)時(shí)間) |
輸入/輸出滯后時(shí)間又稱系統(tǒng)響應(yīng)時(shí)間,是指PLC部輸入信號(hào)發(fā)生變化的時(shí)刻至它控制的有關(guān)外部輸出信號(hào)發(fā)生變化的時(shí)刻之間的時(shí)間間隔,它由輸入電路濾波時(shí)間、輸出電路的滯后時(shí)間和因掃描工作方式產(chǎn)生的滯后時(shí)間這三部分組成。
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輸入模塊的RC濾波電路用來濾除由輸入端引入的干擾噪聲,消除因外接輸入觸點(diǎn)動(dòng)作時(shí)產(chǎn)生的抖動(dòng)引起的不良影響,濾波電路的時(shí)間常數(shù)決定了輸入濾波時(shí)間的長(zhǎng)短,其典型值為10ms左右。
輸出模塊的滯后時(shí)間與模塊的類型有關(guān),繼電器型輸出電路的滯后時(shí)間一般在10ms左右;雙向晶閘管型輸出電路在負(fù)載通電時(shí)的滯后時(shí)間約為1ms,負(fù)載由通電到斷電時(shí)的zui大滯后時(shí)間為10ms;晶體管型輸出電路的滯后時(shí)間一般在1ms以下。
由掃描工作方式引起的滯后時(shí)間zui長(zhǎng)可達(dá)兩個(gè)多掃描周期。
PLC總的響應(yīng)延遲時(shí)間一般只有幾十ms,對(duì)于一般的系統(tǒng)是無關(guān)緊要的。要求輸入輸出信號(hào)之間的滯后時(shí)間盡量短的系統(tǒng),可以選用掃描速度快的PLC或采取其他措施。
SOLA 24VDC 6A DC POWER SUPPLY 83-24-260-03
MITSUBISHI ELECTRIC MELSEC 12/24VDC OUTPUT UNIT AY51C
TURCK 8,2VDC/ 5mA PROXIMITY SENSOR BI2-G12-YOX IN
TURCK 8,2VDC/ 5mA PROXIMITY SENSOR BI2-G12-YOX
FANUC ROBOTICS 2.6M OPERATOR PANEL CONNECTION CABLE A66
INDUCTOHEAT POWER RESISTOR BOARD 31037-084
FUJI 110-130V COIL 13A CONTACTOR 4NC0F0 SC-0(13) W/ OVE
FUJI 110-130V COIL 13A CONTACTOR 4NC0F0 SC-0(13) W/ OVE
SQUARE D 600VAC 350A 2-POLE POWER DISTRIBUTION BLOCK 90
BUSSMANN 25AMP TIME DELAY FUSE FNW-25 , BOX OF 10
FANUC ROBOTICS PULSECODER CONNECTION CABLE EE-0989-318-
ALLEN BRADLEY DIRECT DRIVE AC RELAY 700-P200A1 SER. D
RELIANCE ELECTRIC OLVC CONTROL CARD 0-52808-2
SMC 0.05-0.85MPA 1/2" NPT FILTER REGULATOR, NAWM4000-N0
ALLEN BRADLEY 115VAC GUARD MASTER SAFETY RELAY MSR131RT
BUSS 600V 175A 2 POLE POWER DISTRIBUTION BLOCK 16321-2
JOKAB SAFETY RELAY RT6 24VDC LOT OF 3
ALLEN BRADLEY COMMUNICATION ADAPTER MODULE 1775-KA LOT
GOULD SHAWMUT 600V 100A 3-POLE CLASS H/K FUSEHOLDER 610
POTTER PRESSURE SWITCH PS10-1A
TURCK 10-30VDC 2-WIRE PROXIMITY SENSOR Bi1-5-G08M-AD6X
TRS SYSTEMTECHNIK ANALOG OUTPUT MODULE MAO 4
XYCOM POWER SUPPLY BOARD PN99865-001
ANALOG DEVICES WIDEBAND STRAIN GAGE INPUT MODULE 3B18-0
SQUARE D 600V 3-POLE TERMINAL BLOCK 9080 U-3
ALLEN BRADLEY TIME DELAY RELAY 700-HT12BZ24 SERIES A
ALLEN BRADLEY 1305 ADJUSTABLE FREQUENCY AC DRIVE MANUAL
BUSS LOW PEAK DUAL ELEMENT TIME DELAY FUSE LPJ-100SP L
GOULD ULTRASAFE 600V 30A SINGLE POLE FUSEHOLDER US3J1I
HONEYWELL 3-POLE 30A 24VAC DEFINITE PURPOSE CONTACTOR D
ALLEN BRADLEY 24V GREEN ILLUMINATED PUSH BUTTON 800MR-Q
BUSSMANN FUSETRON 8AMP DUAL ELEMENT TIME DELAY FUSE FRS
BUSSMANN FUSETRON 6AMP DUAL ELEMENT TIME DELAY FUSE FRS
SQUARE D SY/MAX 24VDC INPUT MODULE CLASS 8030 TYPE RIM3
SIEMENS 24VDC DIGITAL INPUT MODULE 6ES7 321-1BH02-0AA0
SIEMENS SIMATIC S7 INPUT MODULE 6ES7 131-4BD50-0AA0
ALLEN BRADLEY PLC-5 SOFTWARE COMMON PROCEDURES GUIDE AB
IR INTERNATIONAL RECTIFIER 400-1600V 80A STANDARD DIODE
FANUC ROBOTICS OUTPUT MODULE AOD08D A03B-0807-C152 MIS
CASI-RUSCO / SENSER ENGINEERING RUGGEDIZED READER 43009
GOULD SHAWMUT 200AMP TRI ONIC DUAL ELEMENT TIME DELAY F
CELLO LITE 600V 30A HIGH BREAKING CAPACITY FUSE AC600V
SQUARE D SY/MAX 24VDC INPUT MODULE CLASS 8030 TYPE RIM-
ECON 600V ALL PURPOSE FUSE ECS30 LOT OF 4