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
Lapp 1119303 16AWG 3 Conductor Olflex Classic Flex Control Cable 500'
8.5 Gallon Galvanized Steel Paint Pressure Pot Canister Tank
Nibco LD2000 10" Lugged Manual Butterfly Valve 200PSI
Westinghouse 880P 7.5HP AC Electric Motor 3500RPM 230/460V 19.8/9.9A 184T Frame
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Single Column Steel Bolt-Down Safety Post For Double Rail Guard 42-3/4" OAH
1600696 Progressive Cavity Slurry Trash Pump Stator Auger
Motovario TRC062 26:1 Ratio Inline Gear Reducer 28mm Input 35mm Output No Flange
OMC Pneumatic Cylinder Actuated Benchtop Press 1" Stroke
15-3/4" x11-3/4" Webbed Cast Iron Machined Top Machinist Inspection Layout Plate
Pyrotec Graphite Degassing Shaft Rotor 11" Diameter x 33"
Schrader Bellows FWJ121621 8" Bore 1" Stroke Pneumatic Custom Crimp Press 90PSI
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Harrington ED250DS 1/8 Ton Electric Hoist 10' Lift 2 Speed 26/10 FPM 115V 1Ph
Quincy 4" Connection Air Compressor Intake Filter Muffler Housing
Kitagawa HJA6-8 8" 3 Jaw Power Lathe Chuck
7" Rigid Welded Seam Flange Mount Duct 90° Elbow 51" Run 12-1/2" Drop 73" OAL
Indramat DSC 3.-100 15/1X0006-001 Digital AC Servo Drive Controller
Alpha Getriebebau SP180-MF1-5-141-000 Planetary Gearhead Speed Reducer 4:1 Ratio
35-3/4"L x 18" D Heavy Duty Closed Clip Steel Drop-In Additional Shelfs Lot Of 8
Baldor M3115 1HP Direct Drive High Pressure Blower Fan 208-230/460V 3Ph
3-1/2" OD Rubber Lagged Conveyor Roller 72" Face Width 1" Axle 77" OAL
29-1/2" 90° V-Angle Forming Press Brake Die Block 7" H 1" Thick 1/2" Tang
Crane EH1542H 1-1/2Hp 3450RPM 480V 2" NPT Submersible Pump
Howe Ruthland VT. Vintage Platform Balance Bench Scale For Restoration 200# Cap.
Mitsubishi HD100-11S Permanent Magnet DC Servo Motor W/ 30W Tachogenerator
Dodge 30A25L14FH 25:1 Ratio 1750RPM 3.06Hp 70RPM LH Output Gear Reducer
Heatcraft 5GA1402C022.50X024.00 Hi-F 22-1/2" x 24" Fin Steam Hot Water Coil
4 Gallon Hydraulic Reservoir Hardinge A Automatic Turret Lathe
Sugino SN4LU Selfeeder 5.91" Stroke Power Feed Unit W/ 3D41 Multi Drill Head
Nachi MFM552Q3V AC Servo Motor 5.5kW 2000RPM 32mm Shaft W/Brake
Martin 160B19 19 Tooth #160 Roller Chain Sprocket 3" Bore 12.1511" Pitch Dia.
ABB M2AA100 LB-4 3.5kW 1720RPM 3Ph 220-480V 50/60Hz AC Motor
30-1/2" x 24" Radiator Heat Exchanger Oil Cooler
2 Post Punch Press Die Set/Shoe 8" FB x 10" W 6-1/8" Throat
Uniclose 1-1/2HP Sampson MN-10 Double Miter Saw Motor 220/440V 3PH 1820 Frame
10" x 12" x 8" H Webbed Steel Angle Plate Set Up Fixture 1-1/4" Thick
Acco 6256 8 Link Bus Truck Snow Tire Traction Cross Chain 15" 4
Flexbar 13391-D Dual Wheel Bench Grinder Guard Deluxe Kit For 8" Wheels
Atico-Internormen MNU 255.10VG AB K-403917-20 Hydraulic Oil Filter 3045 PSI
Bosch 0 811 404 607 4/3 Position Hydraulic Proportional Servo Valve 315 Bar 24V
Linear Guide Rail 103-5/8" W/4 Star 35 Bearing Blocks
12" OD x 3-1/2" ID Left Hand Centerless Conveyor Helicoid Auger Screw 47" OAL
Tigear 176A15R14 15:1 Ratio Right Hand Gear Reducer 583 Torq 115RPM Out 2HP 3PH
OKK YM9095289A 3E2000979A Operator Control Keyboard W/BN634A900G51
44-5/8" Press Brake 90° Forming V Angle Die Block 1/2" Tang 2-3/8"H
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DeVilBiss 7 Gallon Paint Pressure Pot Canister Tank 110PSI
Powermate PP0100362 Gas Powered Trash Water Pump 2" Ports 9510GPH 98'/Hd
Panasonic YB-L200A8Y3E Laser Oscillator Oil Reservoir
25' Insulated Copper AC Mini Split 3/8" Line 1/2"" JIC Flare Fitting
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Nachi MFM552Q3V 5.5kW 2000RPM 32mm Shaft AC Servo Motor W/ Brake
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Marathon 3HP AC Electric Motor 3510RPM 208-230V 13.1A 3PH 145T Frame
Carpanelli 1459 3 0.37kW 220/440V 50/60Hz 3 Gallon Hydraulic Power Unit
24" x 24" x 1-3/8" D Heavy Duty Mobile Dolly/Power Tool Base 8" Tall
Drum Spill Containment Pallet Ramp 30" Wide x 42-1/2" Long
Chang Yih Electric 1 Hp 200VDC Electric Motor W/Adjustable Variable Pitch Pulley
4" Press Brake V-Forming Gooseneck Punch 90° 39-1/4" OAL 1/2" Tang Imperfect
Daikin EDM 174A-1R2-3-10-052 Hydraulic Motor W/ Valves 1" Shaft 100V
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Quincy 4" Connection Air Compressor Intake Filter Muffler Housing
47-1/2"W x 22-1/2"D Heavy Duty Closed Clip Steel Drop-In Additional Shelfs Lot/3
Yamazaki Mazak FH-580/40 Ball Screw Nut 14mm Pitch 48" OAL 26" Travel 40mm OD
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Bridgeport 31944268 31944088 Power PWM AMP ASM 1944087 FAB 1944086
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PHD ML 300045-Rev-B Hydraulic Tie Rod Cylinder 3" Bore 4" Stroke
Vintage Large Cast Iron Adjustable Motor Mount 12" Center to Center of Bolts
International Borg Warner 7096624X2 Turbo Charger Parts/Repair AS/IS
International Borg Warner B784 Turbo Charger Parts/Repair AS/IS