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这是我们一直坚持和倡导的服务理念。
公司一直坚持5s服务理念-微笑、速度、诚信、技巧、专业
经营一个“以顾客为中心”的公司是我们一直努力的方向!
重合同、守信用,基础力量雄厚,备货充足!
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【公司】:厦门岳航计算机工程有限公司
[]≯柯丽梅
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[地 址]≯厦门市思明区湖滨东路湖光大厦8楼A单元
[电 话]≯592-5856213
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1.*处理单元(CPU)
CPU作为整个PLC的核心,起着总指挥的作用。CPU一般由控制电路、运算器和寄存器组成。这些电路通常都被封装在一个集成电路的芯片上。CPU通过地址总线、数据总线、控制总线与存储单元、输入输出接口电路连接。CPU的功能有以下一些:从存储器中读取指令,执行指令,取下一条指令,处理中断。
2.存储器(RAM、ROM)
存储器主要用于存放系统程序、用户程序及工作数据。存放系统软件的存储器称为系统程序存储器;存放应用软件的存储器称为用户程序存储器;存放工作数据的存储器称为数据存储器。常用的存储器有RAM、EPROM和EEPROM。RAM是一种可进行读写操作的随机存储器存放用户程序,生成用户数据区,存放在RAM中的用户程序可方便地修改。RAM存储器是一种高密度、低功耗、价格便宜的半导体存储器,可用锂电池做备用电源。掉电时,可有效地保持存储的信息。EPROM、EEPROM都是只读存储器。用这些类型存储器固化系统管理程序和应用程序。
3.输入输出单元(I/O单元)
I/O单元实际上是PLC与被控对象间传递输入输出信号的接口部件。I/O单元有良好的电隔离和滤波作用。接到PLC输入接口的输入器件是各种开关、按钮、传感器等。PLC的各输出控制器件往往是电磁阀、接触器、继电器,而继电器有交流和直流型,高电压型和低电压型,电压型和电流型。
4.电源
PLC电源单元包括系统的电源及备用电池,电源单元的作用是把外部电源转换成内部工作电压。PLC内有一个稳压电源用于对PLC的CPU单元和I/O单元供电。
5.编程器
编程器是PLC的zui重要外围设备。利用编程器将用户程序送入PLC的存储器,还可以用编程器检查程序,修改程序,监视PLC的工作状态。除此以外,在个人计算机上添加适当的硬件接口和软件包,即可用个人计算机对PLC编程。利用微机作为编程器,可以直接编制并显示梯形图。
HEATING ELEMENT 10" LENGTH 3/4 NPT KC-1-0009 166AP 400W
New Sylvania Thermal Overload Heater Element 2443
UNKNOWN MAKE L6.7 HEATER LOT OF 3
Pyromation Thermocouple 17-1/2" 3/16"
Warren Electric Corp. Heat Element B-240G B240G NIB
SUPERCHANGER PLATE HEAT EXCHANGER UX-216-HJ-20 16" X 49" 20 PLATES 72.7 SQ FT
NO NAME HEAT TRANSFER PLATE EXCHANGER 42-3/4" x 61" x 1" SOLAR OIL WATER STEAM
HOFFMAN DESIGN AIRE DESIGN AIR HEAT EXCHANGER D-AHX30B1 115V 1.2A 24" X 8" X 4"
New Ogden Cartridge Heater MXEJ12E2153 1200W 240V
Baltimore Heating Element B7131A201200D 6000W 208V 3 Ph
ALFA-LAVAL M6-FG PLATE HEAT EXCHANGER 117.16 SQ FT 73 PLATES 5.84GAL CAPACITY
Westinghouse Thermal Overload Heater H46 H-46
Siemens Overload Thermal Heater H45 H-45
New Barber Coleman Cartridge Heater P111-31100-144-B-00
Beringer Cartridge Heater 3-817-326-151 38173263PT151
Beringer Cartridge Heater 3-817-326T1 3-817-326 PT.1
CHROMALOX HEATER OT-2150 240V 500W 285-050601-125 055BP
NATIONAL ELECTRONICS SCR NL-C431PNHS90-1TNC FOR RESISTANCE WELDER
New Barber Coleman Cartridge Heater P111-31200-024-B-00
New NAB ICIN 14G 12RP Heater Cartridge 1' 14-1/2"
DOVER SUPERCHANGER PLATE HEAT EXCHANGER GCP-026-H-6-KJ-29 15" X 37" 29 PLATES
Weed General Purpose High Vibration Probe 12" 101-01BH-A-3W-C-012.0-00-Z024 100Ω
MERSEN K10/K10 GRAPHITE CUBIC HEAT EXCHANGER 10 SQ FT PRESSURE 75 PSI @ 360°F
NOS SESINO MS84B4 ND. 11 HEAT EXCHANGER COPPER TUBES STEEL SHELL 24"x3" 140PSI
NOS THRUSH STRAITUBE 78B6 HEAT EXCHANGER 1"NPT BOTTOM 1-1/4"NPT SIDE
New No Name Heater FC02003024 3000W 240V FF230 9-1/2"
NEW NOS ITT STANDARD 5-030-03-008-002 HEAT EXCHANGER 300 PSI SHELL 150 PSI TUBE
New Eaton Cutler Hammer H42 Thermal Overload Heater
New Eichen Heater 508974 508-974 30V 160W 7' 8" 13/32"
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HENKEL LOCTITE CORPORATION 985080 120V 250W HEATER ASSEMBLY NEW
NOS THERMAL TRANSFER PRODUCTS 5Z627 HEAT EXCHANGER COPPER TUBES BRASS SHELL
NOS HAYDEN HW-218-A4-1 HEAT EXCHANGER MAX. 350°F 250 PSI BRASS SHELL COPPER TUBE
NO NAME KNH3032 240V 150W HEATER NEW
GRAPHILOR K10/10 CUBIC HEAT EXCHANGER DESIGN PRESSURE 75/75PSI -20-360°F 1997 YR
NORTON THERMORON CHEMPLAST HEAT EXCHANGER N4CIO N4CI0 FEP/TFE NEW
NOS SESINO MS84P4 ND. 11 HEAT EXCHANGER COPPER TUBES STEEL SHELL 26"x3" 140PSI
New Barksdale Level Switch L700112 10VA 120V .1A 17"
REBUILT GRAPHILOR CUBIC HEAT EXCHANGER K75/75-16 360°F 75 PSIG DESIGN PRESS
AMERICAN INDUSTRIAL AB-702-A4-FP AB702A4FP 1007 HEAT EXCHANGER 4 1/2" SHELL DIA.
Rittal Heat Exchanger SK3125 230 V Volt 45-48 W Watt 0.25-0.31 A Amp New
ITT BELL & GOSSETT 231 PLATE HEAT EXCHANGER 38.20" 47-1/2" X 26" 230 F GPX538
REBUILT GRAPHILOR CUBIC HEAT EXCHANGER K75/75 C.I. 350°F 75 FV PSIG DESIGN PRESS
GRAPHILOR CUBIC HEAT EXCHANGER K75/75CI 350°F TEMPERATURE 75 PSIG DESIGN PRESS
REBUILT GRAPHILOR CUBIC HEAT EXCHANGER K45/45-16 350°F E 75 PSIG DESIGN PRESS
MARLEY MAR-X-CHANGER UX-416-HP-130 PLATE HEAT EXCHANGER 1127 SQ FT AREA 250°F
NEW FALK 02-075230 HEAT EXCHANGER W/ PUMP 6 GPM 2HP 2 HP MOTOR 208-230/460V 3PH
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MERSEN K10/K10 CUBIC HEAT EXCHANGER 10 SQUARE FEET 75PSI DESIGN 360°F TEMP
GRAPHILOR K10/10 CUBIC HEAT EXCHANGER 75/75PSI DESIGN PRESSURE -20-350°F 1997 YR
GRAPHILOR NK20/10 CUBIC BLOCK HEAT EXCHANGER 100 PSIG DESIGN PRESS. -20-350°F
ANGST & PFISTER AG KURI TEC 10MM X 164' NYLON BRAIDED FLEX HOSE MM10X164'
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LOC-LINE 3/8" NPT 51804 CONNECTORS LOTS OF 4 NEW
UNDERWRITERS LABORATORIES C55890 2 1/2" X 50' RUBBER LINED FIRE HOSE NEW
PT Brass Hose Quick Connect Cam Lock Camlock 20F 2" Male NPT New
PT Brass Hose Quick Connect Cam Lock Camlock 15F 11/2" Male NPT M Hose
NEW NO NAME S/S STAINLESS STEEL MALE FLEX HOSE W/ STEEL ENDS 3/4" NPT 15-3/4" L
GENERAL METALS 72" X 6" X 6" CONDUIT WIRE FEED TROUGH ELECTRICAL GUTTER NEW
KURI TEC 73 CLEAR PVC TUBING K010-0810X100 1/2" ID 5/8"OD 1/2"x 5/8" 100' FT
Hach Series 5000 Tubing Replacement Kit 46982-33 4698233 New
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NEW NOS GOODYEAR 3/8" 3/8 INCH RUBBER AIR HOSE 250' FT 250 FOOT 250 PSI W.P.
UNKNOWN MAKE 3/4" 3/4-C QUICK CONNECTS LOT OF 4 NEW
Dayco 42 Foot 42' Rubber Torch Hose New
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Dayco 55 Foot 55' Rubber Torch Hose New
Lafferty Equipment 2-Way 517 Sanitizer 973752 1/2" ID MIN 125 PSI 6 GPM @ 35 PSI
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100' 100FT EXCELON RNT RUBBER TUBING TUBE SIZE 26 ID 5/8" OD 7/8" WALL 1/8"
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NEW SPEEDAIRE MULTIPURPOSE PAINT AND SPRAY HOSE 2Z011 25' 3/8" ID 3/8" FEMALE
LENHARDT MASCHINENBAU H-S02580-2.5ID507794 hose TYPE 9838.4913-1 NR. 230 V
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