IC697MEM717B
1.PLC的类型
PLC按结构分为整体型和模块型两类,按应用环境分为现场安装和控制室安装两类;按CPU字长分为1位、4位、8位、16位、32位、64位等。从应用角度出发,通常可按控制功能或输入输出点数选型。整体型PLC的I/O点数固定,因此用户选择的余地较小,用于小型控制系统;模块型PLC提供多种I/O卡件或插卡,因此用户可较合理地选择和配置控制系统的I/O点数,功能扩展方便灵活,一般用于大中型控制系统。
2.输入输出模块的选择
输入输出模块的选择应考虑与应用要求的统一。例如对输入模块,应考虑信号电平、信号传输距离、信号隔离、信号供电方式等应用要求。对输出模块,应考虑选用的输出模块类型,通常继电器输出模块具有价格低、使用电压范围广、寿命短、响应时间较长等特点;可控硅输出模块适用于开关频繁,电感性低功率因数负荷场合,但价格较贵,过载能力较差。输出模块还有直流输出、交流输出和模拟量输出等,与应用要求应一致。可根据应用要求,合理选用智能型输入输出模块,以便提高控制水平和降低应用成本。考虑是否需要扩展机架或远程I/O机架等。
3.电源的选择
PLC的供电电源,除了引进设备时同时引进PLC应根据产品说明书要求设计和选用外,一般PLC的供电电源应设计选用220VAC电源,与国内电网电压一致。重要的应用场合,应采用不间断电源或稳压电源供电。如果PLC本身带有可使用电源时,应核对提供的电流是否满足应用要求,否则应设计外接供电电源。为防止外部高压电源因误操作而引入PLC,对输入和输出信号的隔离是必要的,有时也可采用简单的二极管或熔丝管隔离。
4.存储器的选择
由于计算机集成芯片技术的发展,存储器的价格已下降,因此,为保证应用项目的正常投运,一般要求PLC的存储器容量,按256个I/O点至少选8K存储器选择。需要复杂控制功能时,应选择容量更大,档次更高的存储器。
AC Accu Coder Incremental Shaft Encoder?711
AB Allen Bradley 1201 HA2 Programmable HIM
AB Allen Bradley 1771 IBD B
AB Allen Bradley QR?Cordset 3 Pin AC Micro Straight 10 Meter?889R F3ECA
Sola Power Supply 2.5-24-100P 24v 1.3A –0.7A Output
Metso Valmet – 7″ Slitter Blades – WIN3064948
AB Allen Bradley 20?HIM B1 Powerflex Door Mount Bezel
Allen Bradley Control Logix 1756 ControlNet 1756-CNB/D Cat Rev.H01
AB Allen Bradley 1794 OA8 Flex I/O
AB Allen Bradley 1794 ACNIS Flex I/O ControlNet Adapter
AB Allen Bradley 1794 IB10X0B6 Flex I/O?24VDC Sink Input/Source Output
Allen Bradley ControlLogix DC Input 1756-IB16/A Cat Rev F02
AB Allen Bradley 1336 L4
Allen Bradley Heavy?Duty Enclosure 800H-2HZ4
AB Allen Bradley 1794 IB16 Flex I/O
Allen Bradley 1794-PS13 DC Power Supply?24v 1.3A Output
AB Allen Bradley 1771 OFE2 Analog OutputModule
AB Allen Bradley 1771 DB B Basic Module
AB Allen Bradley 1606 XL Power Supply 1606 XL240E 24v 10A Output 240W
AB Allen Bradley 1336 L6 w/o Encoder
Linemaster Classic IV Foot Switch Cat No. TWIN 88SH2-05
Metso Valmet – 10″ OD 5 7/16″ ID – APL3003850
Metso Valmet – 7″ Slitter Blades – WIN3053128
Allen Bradley 120v/240v Input 24V DC 5A?Output Power Supply?1606-XL120DR
Allen Bradley 1785ME16
Leuze Electronic LSE?96M/P-1040-42
AB Allen Bradley Disconnect Switch 1494FD100
AB Allen Bradley Electromechanical Contact Output Module 1771 OW16
Allen Bradley 836T Pressure Control
AB Allen Bradley Output Module 1746 OX8?SLC 500
AB Allen Bradley 1771 Isolated Input Module
Allen Bradley 1305 VFD 1HP 1305-BA03A
Allen Bradley 1771ID?Cat Rev: A04
Allen Bradley 1771IAD Cat Rev: D01
Rosemount 3081 Remote Control
Allen Bradley Control Logix AC Input 1756-IA16/A Cat Rev F02
Allen Bradley Control Logix AC Input 1756-IA16/A Cat Rev G01
Allen Bradley 17710AD Series C
Allen Bradley 1771IA?Series C
GE Fanuc – LR54523 Rack 9-Slot Rear Mount Chassis
Leuze Electronic LSS?96M-1070-43
Dynapar 2110001000 Danaher Controls Encoder
KROHNE IFC 110 Altometer
Allen Bradley Control Logix 2 Axis ServoModule1756-M02AE/A?Cat Rev N01
AB Allen Bradley 1747 l514 SLC 500 Processor Unit
AB Allen Bradley 1336 L9E Logic w/ Encoder
AB Allen Bradley Programming Terminal 1201 HCS1
Foxboro I/A Series Magnetic Flow Transmitter IMT20
New Honeywell Pressure Transmitter YSTR94G-11/D-1/2/0, 0 to?20 KG/CM2
Allen Bradley ControlLogix AC ISO Out 16PT 1756-OA16I/A Cat?Rev. G01
Allen Bradley 1336 1HP VFD 1336F-BRF10-AN-EN
Allen Bradley 160-DM-SF1 VFD 1/2 HP AC Drive
AB Allen Bradley 500?DOD930 Soft Start Motor 500DOD930 50 HP
AB Allen Bradley ControlLogix AC INPUT 1756 IA16/A G01
Nordic Solid State Reduced Voltage Induction Motor Contoller?100hp 3 phase 26...
Bailey IMCPM02 Infi?90 Communication Port Module
Rexroth Prop Amplifier VT5004 S23 R5 engl.
HACH SC100
TBI-Bailey TB82 Two-Wire pH Transmitter?Series
TBI Bailey TB84 Advantage Series pH Analyzer
Bailey INNIS01 Symphony Network Interface Module
Allen Bradley 3HP 1336-B003-EAD-FA2-L3 VFD
Allen Bradley Controllogix 1756 ControlNet 1756-CNB/E Cat Rev.B01
Allen Bradley 1336 Plus VFD Cat No. 1336S-EN4 Ser A
Allen Bradley 1336 VFD Cat No. 1336E-BRF50-AN-EN-HA2-L9E
Allen Bradley 1336 VFD Cat No. 1336E-BRF50-AA-EN4-HA2-L6
AB Allen Bradley 1747 L541 Ser B SLC 500Processor Unit
Allen Bradley Control Logix Relay Output?1756-0W16I /A
Allen Bradley Control Logix TC/mV Input?1756-IT61 /A Cat Rev J01
Allen Bradley Control Logix TC/mV Input?1756-IT61 /A Cat Rev.L01
FISHER ROSEMOUNT Fiber Optic I/O Converter 01984-3278-0001
Siemens Sitrans CU 02
ABB 2600T Pressure Transmitter
Foxboro I/A Series IMT25 Magnetic Flow Transmitter
AB Allen Bradley 1336GFSP2A
Square-D - PowerLogic Circuit Monitor CM-150 CM150X1
AS Accu Sort 4800 System Scanner Controller Terminal Unit
Allen Bradley ControlLogix High Speed Counter Module 1756-HSC/A Cat Rev F01
SYMBOL Pocket PC Handheld Scanner MC9090
Mettler Toledo Scale?8510
Bailey NC0M03 Infi 90 Communication Module
Allen Bradley Powerflex 70 VFD 3 HP 20AD5P0AAYNNNNN
Allen Bradley 1336 Plus VFD Cat No. 1336S-DE4
AB Allen Bradley 500?EOD940 Soft Start Motor 500EOD940 100 HP
FRICK Microll Digital I/O Board 640D0062H01
Allen Bradley Board?60-2403-008C
AB Allen Bradley 509?EOD Soft Start Motor 509EOD 100 HP
Rosemount 644HANAF6J6 Sensor PT100 385
Allen Bradley Control Logix 1756 PA75/A?Powersupply and 17 Slot Chassis A17/B
Varec Model B Automatic Tank Gauge
Fisher-Rosemount Analog Output Field Interface Module 01984-4418-0001
Fisher-Rosemount Discrete Field Interface Module 10P5220006
ABB MAG-XM Magnetic?Flowmeter Signal Controller
Rosemount SMART HART?8712C Transmitter
Rosemount SMART HART?8712 Transmitter
Microsafe Series Controller MC42D-1-DC Light Curtain Controller
?质量没得说,价格不是问题
细节决定质量,品质决定销量
zp保证,质保一年
千款库存产品,让您不敢想象
多种不同产品,询您所需
本公司主要优势产品: 【..美国..英维思 Invensys FOXBORO I\\A系统, Triconex ESD系统】
【..美国.. .AB ..1756系列,1785系列,1746系列,1747系列,1771系列】 【..瑞士.. .ABB.. 机器人 DSQC系列,ABB Advant OCS,ABB Procontic PLC CPU 】
【..法国....施耐德.. 140莫迪康昆腾系列处理器,内存卡,电源模块等。】 【..德国...西门子..Siemens MOORE,S5,S7,6DD等】
【..美国...通用电气..GE..IC693/IC697系列】 【..美国 ...Westinghouse(西屋): OVATION系统、WDPF系统、WEStation系 统备件。】
【 ..德国...Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱 动模块等。】 【..美国... Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、 MVME177等系列。】
联系人:吴健安 手机:18150117687 电话:0592-5320686 传真:0592-5165561(请备注吴健安收)
QQ:3159837561 邮箱:3159837561@