A20B-2002-0520
A20B-2002-0520
目前PLC在國內(nèi)外已廣泛應(yīng)用于鋼鐵、石油、化工、電力、建材、機(jī)械制造、汽車、輕紡、交通運(yùn)輸、環(huán)保及文化娛樂等各個行業(yè)。在運(yùn)城電廠主要有化學(xué)制水、生活污水處理、工業(yè)廢水處理、凝結(jié)水精處理等。有關(guān)PLC的使用情況主要分為如下幾類。
1 開關(guān)
開關(guān)是最常見的電子元件，功能就是電路的接通和斷開。接通則電流可以通過，反之電流無法通過。在各種電子設(shè)備、家用電器中都可以見到開關(guān)。 PLC可以方便地實現(xiàn)邏輯控制取代傳統(tǒng)的繼電器。
繼電器是我們生活中常用的一種控制設(shè)備，通俗的意義上來說就是開關(guān)，在條件滿足的情況下關(guān)閉或者開啟。繼電器的開關(guān)特性在很多的控制系統(tǒng)尤其是離散的控制系統(tǒng)中得到廣泛的應(yīng)用。從另一個角度來說，由于為某一個用途設(shè)計使用的電子電路，最終或多或少都需要和某一些機(jī)械設(shè)備相交互，所以繼電器也起到電子設(shè)備和機(jī)械設(shè)備的接口作用。
電路，實現(xiàn)邏輯控制、順序控制，既可用于單臺設(shè)備的控制，也可用于多機(jī)群控。如水泵的啟停、閥門的開關(guān)、制水系統(tǒng)順控、干除灰系統(tǒng)等。
2 工業(yè)過程控制
在工業(yè)生產(chǎn)過程當(dāng)中，存在一些如溫度、壓力、流量、液位和速度等連續(xù)變化的量量(即模擬量)，PLC采用相應(yīng)的A／D和D／A轉(zhuǎn)換模塊及各種各樣的控制算法程序來處理模擬量，完成閉環(huán)控制。PID
3 運(yùn)動控制
PLCC
4 數(shù)據(jù)處理
PLCC具有數(shù)學(xué)運(yùn)算(含矩陣運(yùn)算、函數(shù)運(yùn)算、邏輯運(yùn)算)、數(shù)據(jù)傳送、數(shù)據(jù)轉(zhuǎn)換、排序、查表等功能，可以完成數(shù)據(jù)的采集,
5 通信及聯(lián)網(wǎng)
PLCC通信含PLC間的通信及PLC與其他智能設(shè)備間的通信。隨著工廠自動化網(wǎng)絡(luò)的發(fā)展，現(xiàn)在的PLC都具有通信接口，通信非常方便。
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Bosch Block Bearing Model 8101851573
5-5/8" x 3-1/2" x 3-1/2" 3" Max Bore NWOB
Bosch Packaging: Longitudinal Seal Bar
Assembly, 8-101-865-485
Bosch Rexroth 0821200215 1/8" Port
Flow Control Exhaust Valve NIB
BOSCH Rexroth DKCXX.3-040-7 Eco Drive
Series Servo Drive
Bosch Rexroth Super Linear Bushing
R0732-250-40 R073225040 NIB
Bosch Tee Pipe T Connector Model 1823391197
NWOB
Boston Gear 700 Series Reducer
SFWC721-200N-B5-G 200:1 .25 HP NWOB
Boston Gear Flange Mount Bearing Model
MBF-2 64595 NWOB
Boston Gear ISO 9002 Reducer Model
F730-40-KT-B7-J3 Ratio 40 1.78 HP NWOB
Boston Gear Jaw Coupling Hub Model FC25-1
1/8 w/ Keyway NWOB
Boston Gear Reducer 700 Series Cat
F724-15-B5-G Ratio 15:1 2.34 Input HP NWOB
Boston Gear Reducer 700 Series Cat F724-15-B5-G
Ratio 15:1 2.34 Input HP NWOB
Boston Gear Reducer 700 Series Cat
F724-15-B5-G Ratio 15:1 2.34 Input HP NWOB
Boston Gear Reductor Ratiomotor Cat. No.
231D-20 Model 001 20:1 2.430 HP NWOB
Boston Gear Speed Reducer 1:1 Ratio Cat.
VR137 Mtg QM5 1750 RPM 9.262 HP Refurb
Boston Spur Gear Model NF15B 15 Tooth
3/4" Dia Bore NWOB
Boston Spur Gear Model NF20B 20 Tooth
3/4" Dia Bore NWOB
Bourns 70ADJ-4-ML1 Mod Battery Contact, 4
pos, Male, 30VDC, 4mm pitch, 20 pcs
Box 2 Crouse Hinds LT15090 Male Conduit
Connector Fittings 90 Degree 1-1/2" NIB
Box 2 Kodak Special Color Paper
11"x100' PX-2726, Sp247, 2733, Cat# 166 3442 NIB
Box 22+ Feet Kuri Tec K7130C-04x50 Polywire
Heavy Wall PVC Food Grade Hose NIB
Box 23 Thomas & Betts 60271 500MCM
Color-Keyed Lub Pressure Terminal Connector N
Box 3 Hanson Whitney 3/8-24NF 4 Flute 2
Plug Taps & 1 Bottoming Tap NOS
Box 3 Hanson Whitney 3/8-24NF 4 Flute 2
Plug Taps & 1 Bottoming Tap NOS
Box 46 Allen Bradley 1492-EBL6 Terminal
Block End Barriers Ser A Yellow & Gray
Box 50 Allen Bradley 1492-EBL4 Terminal
Block End Barriers Yellow & Gray NIB
Box 75+ Pair Kappler 27035 ISOClean Medium
Class A PVC Sole Clean Shoe Cover
Box 75+ Pair Kappler 27035 ISOClean Medium
Class A PVC Sole Clean Shoe Cover
Box 80+ Pairs ISOClean Kappler or DuPont Large
PVC Sole Clean Boot Cover
Box 9 Crouse Hinds RE62 Conduit Hub Reducer
2" - 3/4" Hazardous Locations NIB
Box of 10 15' Panduit UTP28SP15BU Cat 6 UTP
28 AWG Patch Cord T568B CM/LSHZ
Box of 10 Allen Bradley Busbars 1 Pole
MCB's Model 1489-AACL112 Ser A Ie 80A NIB
Box of 10 Austin Line 3/4" x 90° Cat.
No. 451 Angle Connector Extension
Box of 10 Bussmann Fusetron Dual Element
Fuses FRN-6/10 NIB
Box of 10 Bussmann Fusetron Dual Element
Fuses FRN-6/10 NIB
Box of 10 Cooper Buss T-Tron Class T
Current Limiting 3 Amp Fuse JJS-3 NIB
Box of 10 Eiko QT13/35-4P 13W 3500 K Quad
Tube Fluorescent Lamp Base: G24q-1
Box of 10 Hubbell HBL2410 Twist Lock
Receptacle 20A 125/250V 3 Pole NIB
Box of 10 Hubbell Linkosity PF1004PA005
Female Cable 10A 600 VAC 4 Pole 5'
Box of 10 Ingersoll Carbide Inserts
CDE313R20 119252 51325 205 S Cutter
Box of 10 Ingersoll Carbide Inserts
CDE324L54 9CM21 205 S Cutter
Box of 10 Ingersoll Carbide Inserts
CDE324L54 9GQ41 205 S Cutter
Box of 10 Ingersoll Carbide Inserts
CDE324R55 9CM20 205 S Cutter
Box of 10' Morse 60-3R Roller Chain Part
No. 322048 NIB
Box of 10 Panduit 10' Pan-Net TX6A 10GIG
RJ45- RJ45 Patch Cord Cat 6A UTP6A10BU
Box of 10 Panduit 10' Pan-Net TX6A 10GIG
RJ45- RJ45 Patch Cord Cat 6A UTP6A10BU
Box of 10 Panduit 35' Pan-Net TX6A 10GIG
RJ45- RJ45 Patch Cord Cat 6A UTP6A35BU
Box of 10 Panduit J-Mod Chaining Bracket
Model JMCB-1
Box of 10 Panduit J-Mod Single-Level
Ceiling Mount Bracket JMCMB25-1-X NIB
Box of 10' Section of Renold 60-1 RIV
Roller Chain 60RB
Box of 10 Square D 9080GH75 6 Pole Jumper
NIB
Box of 10 Sunray Lighting General
Instruments CM356 / 356 Miniature Lamp NOS
Box of 10 Sunray Lighting General
Instruments CM356 / 356 Miniature Lamp NOS
Box of 10 Thomas & Betts 5353
Liquidtight 3/4" Conduit Connectors 90 Degree NIB
Box of 10 Thomas & Betts 5353
Liquidtight 3/4" Conduit Connectors 90 Degree NIB
Box of 100 Kindermann 35mm Glassless Slide
Binders Some
Box of 100 Raychem SO63-3-01 / SO633R
Solder/Heat Shrink Terminator w/ Braid
Box of 118 Nuventix Top Mount Chip Heat
Sink Cooler HTPMS-CALC-002 NIB
Box of 118 Nuventix Top Mount Chip Heat
Sink Cooler HTPMS-CALC-002 NIB
Box of 12 Appleton RB200150 Steel 2"
to 1-1/2" Reducer Reducing Bushing NIB
Box of 12 Hanson Whitney 20517 1/4-28
Precision Taps 2 Flute GH-3
Box of 12 Hanson Whitney 20517 1/4-28
Precision Taps 2 Flute GH-3
Box of 142 Nuventix SynJet, Top Mount Chip
Cooler 5VDC 13W STPMS-CM005-001 NIB
Box of 170 Pieces of 12" Sections Heat
Shrinking Tubing M23053-010C TZ-V12/TOP
Box of 19 Flanders Series 325T Panel
Filters 12" Width x 18" Length NIB
Box of 19 TRW DEC 9P Cinch Connectors 9 Pin
NIB
Box of 19 TRW DEC 9P Cinch Connectors 9 Pin
NIB
Box of 2 45111 Oce Engineering Bond 20#
White Bond 22" x 50' x 3" 4511100095 NIB
Box of 2 45111 Oce Engineering Bond 20#
White Bond 34" x 50' x 3" 4511100103 NIB
Box of 2 Beck Capacitor 14-2840-05 ASC
X389S 8 MFD 330 VAC 50/60 Hz NIB
Box of 2 Cooper Conduit Outlet Body LB47
Size 1-1/4", Volume 18.5 Cubic Inch
Box of 2 Crouse Hinds LL67 Form 7 Conduit
Outlet Body L Shape NIB
Box of 2 Crouse Hinds LL67 Form 7 Conduit
Outlet Body L Shape NIB
Box of 2 Crouse Hinds LT150 Straight
1-1/2" Male Conduit Connector Fittings NIB
Box of 2 Crouse Hinds LT150 Straight
1-1/2" Male Conduit Connector Fittings NIB
Box of 2 Crouse Hinds TB37 Conduit Outlet
Body 1" 14.5 CU IN NIB
Box of 2 Dietgen 430C34L 20 LB Laser Bond
34" x 500' NIB
Box of 2 INA Roller Bearings 51109J NIB
Box of 2 INA Single Row Shielded Ball
Bearings Model 62052RS 6205-2RS 907090
Box of 2 Keyence Lens Caps Model F-2X7 NIB
Box of 2 Link-Belt Multi-Labyrinth Seal
Rings Model LB68433RA Type R NIB
Box of 2 Multi-Labyrinth Bearing Seal Rings
Model LER44 2-11/16" Bore NIB
Box of 2 Parker B38J Male Threaded Coupler
Measured Thread OD 1-1/4" NIB
Box of 2 Xerox Performance Bond 20 lb Paper
22" x 50' 003R05904 3" Core NIB
Box of 2400+ 5/8 32/15 Clincher Copper
Plated Staples NOS
Box of 27 Thomas & Betts XC 290
3/8" Conduit Connector / Clamp 90 Degree NIB
Box of 29 Appleton BUC-100 Capped Bushing
1" Malleable Iron NIB
Box of 29 Appleton BUC-100 Capped Bushing
1" Malleable Iron NIB
Box of 3 Flanders Series 325T Panel Filters
24" Width x 90" Length NIB
Box of 3 O-Z Gedney 4Q-150 Straight
Liquidtight Connector 1-1/2" Raintight NIB
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