PLC的扫描工作方式引起的延迟可达2－3个扫描周期。对于大多数应用场合来说，PLC的响应速度都可以满足要求，不是主要问题。然而对于某些个别场合，则要求考虑PLC的响应速度。为了减少PLC的I／O响应的延迟时间，可以选用扫描速度高的PLC，或选用具有高速I／O处理功能指令的PLC，或选用具有**响应模块和中断输入模块的PLC等。

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Cognex 820-0277-2R Lens Cover

Cognex 821-0019-1R Checker 202 Camera With Cable and Breakout Board

Cognex CKR-200-IOBOX-002 I/O Module, 24VDC, 16-Bit, *Missing 2 Connectors*

Cognex CVC-1000 Machine Vision Camera

Cognex DM300-CMCOV C-Mount Lens Cover

Cognex DM300-ELMB-CO Mounting Bracket Kit

Cognex DM700-PS2-00 Cable Assembly, 20" Long

Cognex FOV (371-0389-2) Lens, Focal Length: 12mm

Cognex IDRA Red LED Array Light Module, Voltage: 24VDC, 4-Pin M12 Connector

Cognex IDRA Red LED Array Light Module, Voltage: 24VDC, 4-Pin M12 Connector

Cognex In-Sight 2000 Vision System

Cognex In-Sight 5100 Vision System, With Fujinon HF9HA-1B Lens (1:1.4/9mm)

Cognex In-Sight 5401 High Resolution Machine Vision Camera w/90° Mount 24VDC

Cognex In-Sight Controller Handset

Cognex In-Sight I/O Expansion Module 24VDC RS-232 w/Serial Cable

Cognex VM18B 203-0053-R1 Breakout Board w/300-0132 Rev-1 Cable

Cognex VPM-59432-01 200-0074-5 C, 200-0100-1 B PC Video Board

Cognex VPM-8120VQ-5010-P Rev-A Opt-A frame Grabber Card

Cognex VPM-8120X-5011-P Rev. A OPT: A Vision Process Module w/ 800-5637-2 Module

Cognex VPM-8120X-5061-P Rev A frame Grabber Card 801-8130-01 H

Cognex VPM-8120X-5061-P Rev A frame Grabber Card 801-8130-01 K

Coherent Duo Fap Ind Industrial Powered Laser System 90-264VAC 60W

COHU 6400 Series CCD Camera

Cohu 8290 Series Camera, With Mount

COHU 8295-1000/0000 Camera Box

Cohu 8295-1000/0000 High Performance Color CCD Camera 12V AC/DC, W/ 8290 Camera

Coilhose 26R2-J Pneumatic Regulator 0-25PSI w/ 3/8" Quick Connect Fittings

Colder Products Company CQGD0610010 Inline Coupler Body

Colder Products Company TJ10 Tube Jacketing, Black, *35~40 Feet Long*

Cole Parmer 12500-10,-15 Water Bath 5L (1.32gal) Capacity 100°C (212°F) 120VAC

Cole Parmer 7013-20 Peristaltic Pump Head for PS/13 Tubing 0.06-36ml/min

Cole Parmer 7014-20 Peristaltic Pump Head for PS/14 Tubing 0.21-130ml/min

Cole Parmer 7519-00 Masterflex Peristaltic Pump Head w/ 7519-50 Large Cartridges

Cole Parmer 75225-00 Variable-Flow Console Drive

Cole Parmer Air Cadet Vacuum Station

Cole Parmer CR3120A Temperature Gauge 0-100C

Cole Parmer Digi-Sense 8528-30 Thermometer

Cole Parmer EW-06384-71 Adapter Pipe 1/4" to 1/8" NPT Female

Cole Parmer Flow Meter 40-280 LPM / 2400-16800 LPH Air 1/4" NPT

Cole Parmer Flow Meter 40-280 LPM Air *Missing Knob*

Cole Parmer N102-05 Flow Meter 0-150mm High-Resolution Valve

Cole-Parmer 01271-00 Immersion Circulator, Voltage: 120V, Frequency: 60Hz

Cole-Parmer 50003-10 Mixer Motor w/ 50003-00 Mixer Controller 115VAC 3-180RPM

Cole-Parmer 7015-21 Pump Head

Cole-Parmer 77096-00 Emergency Cutoff System for Liqui-Sense 115VAC 1.2kVA

Cole-Parmer 8130-30 Bi-metal Thermometer 50-500°F 20-250°C 7 3/4" Probe Length

Cole-Parmer 94785-00 Universal Process Meter, Power: 115VAC 50/60Hz 10VA Max

Cole-Parmer Constant Speed Control Unit, Speed Range: 0-300/0-3000RPM, 117V 1.8A

Cole-Parmer EW-31521-07 PTFE 4 Port Manifold 1/4" Inlet NPT 4 Outlet

Colson 4 Series 4" x 2" Phenolic Swivel Casters 800lbs Rating 4" x 4 1/2" Plate

Columbus Electric 2E462A Air Sensing Switch 0.5-12"WC 277VAC 300VA Contacts SPDT

Columbus Electric RH3A Heating/Cooling Appliance Switch, 1/2 PSI, 0.5" to 12" WC

Comair FS24B3 Axial Fan, 60mm, 24VDC 0.08A 1.90W

Comair Rotron MS24B3QDN Fan, Voltage: 24VDC, Current: 0.29A, Power: 7W

Comair Rotron MS24K3QDN Fan, Voltage: 24VDC, Current: 0.19A, Power: 4.5W

Comair Rotron SU3A1 Fan, Supply: 220/230VAC 50/60Hz 0.09/0.08A, Flow: 28/34CFM

Comair Rotron WX2A2 Fan, Voltage: 115VAC 50/60Hz, Current: 0.07/0.06A