从控制速度上看，继电器控制系统依靠机械触点的动作以实现控制，工作频率低，机械触点还会出现抖动问题。而PLC通过程序指令控制半导体电路来实现控制的，速度快， 程序指令执行时间在微秒级，且不会出现触点抖动问题。
如果您发现其他供货商为相同产品提供更为低廉的价格，
我们也愿意参照其价格向您提供进一步的折扣。只要您诚心购买，
如果还有其他任何问题，请随时与我们联系。
我们的使命是帮助你：
降低维护成本!
我们有大量库存的控制系统部件。 我们还有许多新的硬件和停产备件，以帮助支持你现有的控制系统。
您或许会在我们的资料中找到您需要的备品备件，在任何时间，我们都欢迎您对我们产品提出宝贵的建议。
福州卓凯电子科技有限公司
联系人：林工
24小时咨询热线：17705012279
TEL：0591-22983857
QQ：879520885
传真：0591-22989937
公司地址：福州市闽侯西江滨大道77号正荣润园一号楼1205室
产品价格以电话或者QQ询价为准，发布价格及图片不做参考
Linos 0260.0030.001.022 Macro CCD Lens, 0.3 x f/8
Linos 260.0014.001.020 Macro CCD Lens, 0.14 x f/4
Linseis Minirecorder Series 300 LM23 LM 23
Linseis Minirecorder Series 300 LM23 LM 23
Lithonia LB 4 32 MVOLT Low Profile Wraparound Fluorescent Fixture
Locon FMS18-24U Photoelectric Sensor, 11-30VDC, 200mA, 1m Range, PNP NPN
Lot of 100 Hewlett Packard 5180-4197 Clear Glass Vials, 32mm x 11mm I.D.
Lot of 100 LoVial 60825P-1232 Autosampler Amber Vials w/Marking Spot
Lot of 12 Buna O-Rings, 0.21" x 15.625", Spliced and Vulcanized
Lot of 12 Water Filters 29mm-ID 62mm-OD 29-7/8" Long
Lot of 2 10 Packs of Leviton Ivory Duplex Receptacles 15A/125V
Lot of 2 Allen Bradley 1492-CB1H400 Circuit Breaker 1 Pole 40A 277VAC 7.5HP
Lot of 2 Allen Bradley 800FM-LE5 Illuminated Yellow Maintained Pushbutton
Lot of 2 Altech 1DU20R Circuit Breakers, 1Pole, 20Amp, 277VAC
Lot of 2 Altech 1DU3R Circuit Breakers, 1Pole, 63Amp, 480Y/277VAC
Lot of 2 ASCO 8353C4 Duct Collector Valve Pilot Operated 3/4" Ports 5-125PSI
Lot of 2 ASCO 8353C4 Duct Collector Valve Pilot Operated 3/4" Ports 5-125PSI
Lot of 2 Camfil MGA-305x457x110 H14 Air Filter 99.99% - 99.9992% Efficiency
Lot of 2 Camfil MGA-305x457x110 H14 Air Filter 99.9991% - 99.9992% Eff
Lot of 2 Idec SH1B-05 Relay Socket w/Idec RH1B-UL Relay *See Details*
Lot of 2 Idec SH2B-05 Relay Socket w/Idec RH2B-UL Relay *See Details*
Lot of 2 Pairs of Desco 68103 Gloves, Dissipative, Size: Man's Large
Lot of 2 Pairs of Desco 68104 Gloves, Dissipative, Size: Man's Medium
Lot of 2 Pairs of Desco 68106 Gloves, Dissipative, Size: Man's X-Large
Lot of 2 SMC KQ2T13-37S Pneumatic Tee Fittings, 1/2" NPT, 1/2" Tubing
Lot of 2 SMC KQ2U13-35S Pneumatic Y Fittings, 1/4" NPT, 1/2" Tubing
Lot of 2 SMC KQ2U13-36S Pneumatic Y Fittings, 3/8" NPT, 1/2" Tubing
Lot of 20 Allen Bradley 1492-ERL35 Screwless end Retainers for 35mm DIN Rail
Lot of 20 Entrelec 0115 378 05 Fuse Holder Terminal Block
Lot of 24 Panduit PVT-156 Lock-Out Tag-Out Tags White Vinyl *No Ties*
Lot of 24 Panduit PVT-156 Lock-Out Tag-Out Tags White Vinyl *No Ties*
Lot of 25 Panduit LCD2-14B-Q Copper Lugs, Standard Barrel Two Hole
Lot of 3 C3Controls GPRM-B4C05ZJ Relays, 4-Pole, 5A, 48VDC Coil
Lot of 3 Hubbell PLED1AC Exit Sign 120VAC, 60Hz
Lot of 3 NMB-MAT 4715KL-05W-B40 Brushless Fans 24VDC 460mA w/Bracket
Lot of 3 Pairs of ESD Systems 17083 Gloves, Dissipative, Size: Man's Large
Lot of 3 Rittal 8018191 Junction Box Mounting Panel 7.5in x 5.0in
Lot of 3 Scepter 3/4" SLB 20S Conduit Fittings W/ Covers, 3/4" Openings
Lot of 3 SMC KQ2T11-13 Pneumatic Union Tee Fittings, One-Touch 1/2" Tubing
Lot of 3 SMC KQ2T11-36S Pneumatic Tee Fittings, 3/8" NPT, 3/8" Tubing
Lot of 3 SMC KQ2U11-37S Pneumatic Y Fittings, 1/2" NPT, 3/8" Tubing
Lot of 3 SMC KQ2U1-35S Pneumatic Y Fittings, 1/4" NPT, 3/8" Tubing
Lot of 3 SMC KQ2Y11-37S Pneumatic Tee Fittings, 1/2" NPT, 3/8" Tubing
Lot of 3 SMC KQ2Y13-35S Pneumatic Tee Fittings, 1/4" NPT, 1/2" Tubing
Lot of 4 Altech P50UT Power Feed Lugs, 50sqmm, 115A/480VAC
Lot of 4 Rittal 8018191 Junction Box Mounting Panel 7.5in x 5.0in
Lot of 4 SMC KQ2T13-35S Pneumatic Tee Fittings, 1/4" NPT, 1/2" Tubing
Lot of 4 SMC KQ2U07-35S Pneumatic Y Fittings, 1/4" NPT, 1/4" Tubing
Lot of 4 Square D 8030 GOM-221 Output Module 120VAC Series B
Lot of 40 Panduit LCD2-56B-Q Copper Lugs, Standard Barrel Two-Hole
Lot of 5 American Safety Razor Blades with Dispenser 1-1/2" x 3/4" 10-Pack
Lot of 5 Bestt Liebco 3V28 3" Roller Covers 1/4" Nap
