描述
以人为本的设计要求设计从用户的需求出发。根据人的不同层次的需求,我们可以把设计分为几个层面。人的需求是多方面的,它具有一定的层次性、阶段性,是发展和变化的。心理学家亚伯拉罕·马斯洛在研究人类动机时,提出了著名的“需求理论,他认为人的需求的层次是从底级向高级需求发展的,呈阶梯形。
产品广泛应用于:电力、石油、矿井提升、港口、供热、燃气、供水、污水处理、冶金、造纸、纺织、化工、水利等现代化工业领域!
我们这里有您急需的停产备件,
优势现货,询不到的,买不到的,请联系我们!
绝 对优势,绝 对低价!绝 对正品,优质的产品,一流的服务,充足的库存,
欢迎来电询价,我们将会给您最优惠的价格!
主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
Brand New in Original Packaging
NORTEL BCM50 BUNDLE 4 T7316E PHONES EXTRA LICENSES VM
Agilestar-AA1419017-E5-For Nortel-New in Box
Agilestar-AA1419018-E5-For Nortel-New in Box
Agilestar-AA1419019-E5-For Nortel-New in Box
Agilestar-AA1419020-E5-For Nortel-New in Box
Agilestar-AA1419021-E5-For Nortel-New in Box
Agilestar-AA1419022-E5-For Nortel-New in Box
Agilestar-AA1419023-E5-For Nortel-New in Box
Agilestar-AA1419024-E5-For Nortel-New in Box
Nortel,NT5B42AAAFE5 GLOBAL 4X16 TRUNK MEDIA BAY MOD..
Nortel,NT5B44AAAEE5 GATM8 ALOG TRUNK MOD 8PT REL 2
Nortel CallPilot 150 Voice Mail&Auto Attendant System
Nortel CallPilot Voice Messaging-32 Seat Auth Code
Brand New and Unopened Paper Authcode
NORTEL BCM TSP-8-SEAT S/W AUTHORIZATION CODE
NT Meridian 1 Nortel PBX System Power supply+10 Card
NT Meridian 1 Nortel PBX System Power supply+9 Card
Nortel,NTC01028KC BCM450 UNIF MESSAG 16 SEAT PAPER A..
Nortel Call Pilot 150 Vociemail Release 3.1
NEW Nortel Avaya Norstar CICS Bundle Phone System
Packaged System!700+POSITIVE Feedback!1 Yr WARRANTY!
NORTEL SWITCH ETHERNET 10/100MBPS 24-PORTS AL2001E15
1 Nortel BCM200 4.0 8×0 BCM 200 R4 R4.0 16vm 11ip Ref
1 Nortel BCM400 3.7 BCM 400 R3.7 10 voicemail 10 ip Ref
NORTEL NTFP41CA-02 NORTEL PASSPORT DS1 VOICE FP M
Nortel Alteon Switched Firewall Director 5014 EB1639069
SR2101031E5 Nortel 1 Port Serial Router SR1001S
Nortel 8X24 DR5 Phone System W/Voice Mail(6)T7316
Nortel Norstar Meridian 824 DR5 M7310 4 Port Voice Mail
Nortel Norstar System CICS 8×16 CLID,CallPilot100
Enlarge
Nortel BCM 8×16 Combination Media Bay Module
Nortel Digital Mobility Controller 080(NT7B65KJ)
Nortel,NTC01013KC BCM450 REPORTING INTEL CC PAPER AU..
NORTEL NTBW99DO DOM Metrocell EVDO Channel Card
Expedited shipping available
10 Nortel I2004 IP Phone Charcoal Bezel w PC Port PS
NORTEL NTBP06BA-R01 NORTEL PASSPORT BACKPLANE MODU
10 Nortel I2004 NTDU82 Icon Keys Charcoal w PC Port PS
Nortel Networks AL2012E34e5,470-48T Routing Switch
BayStack 470-48T,48-Port 10/100Base-TX,2 SFP Ports
One-day shipping available
Enlarge
Nortel M8 Call Identification Interface
Nortel BCM Digital Trunk Media Bay Module
Nortel Norstar CICS 8×16 KSU w/LS/DS&7.1 Software an
Nortel,NTEX11FA70E6-DUP IP AUDIO CONF PH 2033 ROHS C..
Nortel,NTEX11FA70E6 IP AUDIO CONF PH 2033 ROHS CHR U..
5 NEW Nortel 1230 POE IP Phone NTYS20BB70E6 NTYS20
New!Nortel BCM Expansion Cabinet-NTPW0119
One-day shipping available
1 Nortel BCM50 r3 4x12x12 BCM 50 3.0 r3.0 4X12 12vm 4as
with updated patches loaded
***COMPLETE NORTEL NORSTAR PHONE SYSTEM***
Nortel DS1404036 Nortel Passport 8-port 1000sx Switch(
One-day shipping available
IBM NORTEL LAYER 2/3 COPPER ETHERNET SWITCH 32R1869
Nortel BCM-8×16 Combo Media Bay Module NT5B42AAAGE5
Media Bay Module 8 Analog Lines&16 Extensions to BCM
NORTEL PASSPORT 1648T DJ1412E02 Routing Switch
BUSINESS COMMUNICATIONS NTEX11FA70E6-Nortel 2033 IP Con
great seller/free shipping/great service!!!
ARIA 130 LG NORTEL Phone System Only.Loaded w/Cards
NORTEL NTCA72WL 2.5G WT$1000
CMTS 1000 Nortel Arris Cornerstone Docsis 1.0
Nortel NT0H01JA Optera Metro 5×00
One-day shipping available
Nortel NT0H01JB Optera Metro 5×00
One-day shipping available
Nortel NT0H01JC Optera Metro 5×00
One-day shipping available
Nortel NT0H01KD Optera Metro 5×00
One-day shipping available
Nortel NT0H01LB Optera Metro 5×00
One-day shipping available