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。
Ferraz Shawmut C1GE900909WP10 1000a Amp 850v-ac Protistor Fuse
Abb 3BSE031155R1 BC810K02 Interconnection Commication Module
Foxboro 43AP-FA42N/ESA21AN Pneumatic Controller 120v-ac 4-20ma
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Fisher V150 1052 Size 20 Dvc6200 Stainless Flanged Control Valve 1-1/2in 150
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Automated Logic M4106 M-line Control Module
York 024-30468-002 Oil Pump Drive Board
Standard Xchange SX2000K Heat Exchanger 1/2in X 1/2in
Foxboro 230SF Spec 200 Control Station
Cincinnati Test Systems D34-440 Pressure Switch 0-100mv 0-20psi 10v-dc
Oilgear PVWJ-022-A1UV-LSAY-P-1NNSA Hydraulic Piston Pump
Fisher 99-47 Flanged Pressure Reducing Regulator Valve 2in
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Grdfos CRK4-100/7 A-M-A-AUUV Multi-stage Pump 42-150lpm 34-88m 3kw 230/400v-ac
Banner SLPP25-690P88 Light Curtain Set 24v-dc
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Omron R88D-WT50H Servo Drive 200-230v-ac 0-230v-ac 3ph 6.65hp
Rexnord 0744344 1100t31/35 Spacer Rsb Hub
Rosemot 8711AHA30FU1N0 8732EST1A1N0M4 Flow Transmitter 90-250v-ac
Comet APS41 Diaphragm Pump 39lpm 40bar
Tescom 44-1313-2081 Pressure Reducing Regulator 3750psi 1/2in Npt
Sola 23-23-210-8 Constant Voltage Transformer 1ph 1kva 380-520v-ac 120/240v-ac
Endress HauLS50D-16A0/0 CLS50D-AABB11Z1 Conductivity Sensor
General Electric Ge TVRMS2 Microversatrip Digital Test Kit
Ferraz Shawmut J400A/FBJ400U Fusible Disconnect Switch 3p 400a Amp
Grdfos CRN1-10 A-P-G-E-HQQE Centrifugal Pump 9.69gpm 1hp 1-1/4in 460v-ac
Mitsubishi FR-SF-2-15K-T Freqrol Ac Spindle Controller
Allen Bradley 1336E-BRF75-AA-EN-HA2-L9E Vfd Drive 380/480vac 400hz 460v-ac 7.5hp
Emerson 5081-T-HT-67 Conductivity Transmitter 42.4v-dc
Radnor 64003371 Grade R Welding Hose 1/4in 750ft
Cutler Hammer PRL2A PRL2A3100X30C Panelboard 100a 3ph 277/480v-ac 4w
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Imo 147P3WC3 Barksdale Shear-seal Manual Directional Control Valve 1-1/2in
Boston Gear SBKCHF726-50KP-B5-HS1-P23 Right Angle Gear Reducer 1.08hp 50:1
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Abb Kpm 4LA41100102V1.2 Kb2 Sheet Break Detector Display it
Graco 115887 Hot Melt Glue Hose
Dodge SS23A15H56 Tigear 2 Right Angle Gear Reducer 15:1
Hammelmann 00.05865.0138 Pressure Reducing Regulator Valve 1-1/2in Npt
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Fag H3144X Adapter/withdrawal Sleeve
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Sick C4C-SA18030A10000 Light Curtain Transmitter 24v-dc
Fanuc A06B-6111-H037#H570 Spindle Amplifier Module 283-339v-dc 240v-ac 43kw
Tb Woods P51516 Qd Bushing 5-15/16in
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ited Equipment Accessories Uea S19CN24PTS1 Slip Ring Assembly
Andritz Pump Housing For D3369-007-01
Reliance Electric 14C10 Minpak Plus Power Supply 115v-ac 7.5a Amp 90v-dc 3/4hp
Allen Bradley 2112B-CDB-6XP-7FEEF-25R-42-900X Mcc Starter Bucket 15hp
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Viking Pump G4124B Hydraulic Gear Pump
Beckwith M-0388 Check Relay
Crouse Hinds DMVM25Q175GP/MT S828 Champ Metal Halide Luminare 175w 120/240v-ac
Barnes H3-H8-F-C-205B3 Hydraulic Gear Pump 1-1/4in Npt
Foxboro 8310 Power Supply Module 120v-ac/dc
Nsk W4011G-27ZY-C2Z5 Ball Screw 40mm 1100mm
Rosemot 3051S2CD3A2B12A1AB4K6M5 Coplanar Differential Pressure Transmitter
Endress Hauser 53H50-44M6/0 Promag H Stainless Magnetic Flow Meter 2in Tri-clamp
Merlin MTC3000 Light Curtain Controller Module 90-240v-ac/dc
Accu-sort 1000065956 Replacement Camera Head Module 69mm F5.6
Cutler Hammer 6002H523B Nema Size 6 Dc Contactor 230v-dc 600a Amp
Partlow MF-79 Temperature Controller 50-250f 125/250v-ac
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