可编程序控制器,英文称Programmable Controller,简称PC。但由于PC容易和个人计算机(Personal Computer)混淆,故人们仍习惯地用PLC作为可编程序控制器的缩写。它是一个以微处理器为核心的数字运算操作的电子系统装置,专为在工业现场应用而设计,它采用可编程序的存储器,用以在其内部存储执行逻辑运算、顺序控制、定时/计数和算术运算等操作指令,并通过数字式或模拟式的输入、输出接口,控制各种类型的机械或生产过程。PLC是微机技术与传统的继电接触控制技术相结合的产物,它克服了继电接触控制系统中的机械触点的接线复杂、可靠性低、功耗高、通用性和灵活性差的缺点,充分利用了微处理器的优点,又照顾到现场电气操作维修人员的技能与习惯,特别是PLC的程序编制,不需要专门的计算机编程语言知识,而是采用了一套以继电器梯形图为基础的简单指令形式,使用户程序编制形象、直观、方便易学;调试与查错也都很方便。用户在购到所需的PLC后,只需按说明书的提示,做少量的接线和简易的用户程序编制工作,就可灵活方便地将PLC应用于生产实践。ENERGY SMART POWER **NNER III, 3 PHASE 208/480V 500 AMPMAX. CEM P/N: 05260
NIB HITACHI 885-1000DEUTERIUM
BELL OUTDOOR 5388-0 DEEP TWO GANG BOXES FIVE 3/4"
NIB WESTINGHOUSE FB2015 BREAKER 15A 600V2POLE
BROWNING BX97 GRIPNOTCH BELTS 21/32'' X 100''
LEVITON 15A.120V-277V BROWN
MOUNT BLANC NORTHBROOK MODEL 30 DESERT SAND COMPOSITE GRANITE SINK 25 X 22 X9"
KILLERMS-10-3 FILTERS M2-IQ-3
TAYMACMM1410C 55-IN-1
GENERIC E0-9999-410-001 REV. A
BROAN L200 MOUNTABLE EXHAUST FAN
PHILIPS F20T12/CW FLUORESCENT LAMPS 20W COOL
HUBBELL SS720 STAINLESS STEEL ONE-GANG 1.6"
ARMSTRONG 25-272 WRENCH COMBINATION 2-1/4 LONG
SPRAYING SYSTEMS QU-SS TIPNOZZLES QU 0030-SS3/8'' QU-SS0030
PHILIPS CFL GLOBE DECOR EL/A G40 23W LIGHT BULBS, 21107-8
NIB RAB LIGHTING VXBR200S/F22 VAPORPROOFLIGHT FIXTURE 22W 120V WL BR 4" BX 1/2"
LEVITON 80703-ORG ORANGE STANDARD
NIB PHILIPSBC40S11/N HIGH INTENSITY 40W BULBS 120V
NIB STRAHMAN 3476816HYDRO-PRO 150 WATERSPRAY
NIB HAMPTON BAY 574398 4-LIGHT BRONZE
LAWSONPRODUCTS DL2131 SQUEEKY CONCENTRATED DRAIN MAINTAINER 591 ML
GE 12980 INCANDESCENT LAMPS 40G25, 40 WATTS CLEAR 120V
PERFECTPLEAT 170-371 HC M8MERV 8 AIR FILTERS 14" X 20" X 2"
SENTROL1078 W WIDE-GAP STEEL DOOR
PHILIPS ALTO PL-C 13W/827/2P FLUORESCENT LAMPS, 383109-000
NIB GENERALELECTRIC 7672-1 BULBS 7.20 WATT 6V
LENOX 2805194 SAW BLADE
STEELCITY RS12 DUPLEX OUTLET COVERS 4" RECEPTACLE 8599112078
NIB HAMPTON BAY 261568 BATH BAR
TB WOOD'S 5VX1800 ULTRA-V COG BELT TOP WIDTH 5/8'' LENGTH 180''
HANSON EX-10 BOLT EXTRACTOR USED WITH 1 9/32 - 1 11/32 DRILL
OSRAMSYLVANIA 6S6/CL/24VINDICATOR
NIB PRICE PFISTER CLASSIC SERIES WU2-100C
HUBBELL P2 WALL **TE SWITCH COVERS IVORY 2-GANG 2-SWITCH
NIB HALCO 68015 LAMP BULBS 150WATTS, 24 VOLTS, T4BULB, G6.35 BASE
NIB EIKO 1866 MINIATURE LAMP LIGHT
STEELCITY RS12 DUPLEX OUTLET COVERS 4" RECEPTACLE 8599112078
PHILIPS T8DC BULBS 25W 120V W/LOT OF 4 EIKO 25T8DC-120V
NIB EMERSON WHITE RODGERS 1E30-913
NIB EIKO 1383 BULBS
ION MICRA-2GIG WIRELESS WINDOW SECURITY SENSOR 0001370
STEINER 36700 GLASS WEB
SHAFT BEARING TOOL CHANGER 613-2121-51-02 51321215102
NIB HONEYWELL WAVE2 TWO-TONE SIRENS 12VDC, 500mA, 106dB
HONEYWELL Q674A1001 THERMOSTAT SUBBASE USE WITH T874A-D
NIB THOMAS & BETTS LN-102 LOCKNUTS FOR 3/4" RIGID CONDUIT QTY 100
NIB HONEYWELL ADEMCO5818MNL