描述
学习USB接口、TCP/IP协议、工业总线
目前主流的通讯协议为USB协——下位机与上位机高速通讯接口;TCP/IP——万能的互联网使用的通讯协议;工业总线——诸如Modbus，CANOpen等工业控制各个模块之间通讯的协议。这些都会应用在未来的项目里，集成入单片机里的固件，并且也是当前产品开发的一个发展方向。
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！
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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。
NORTEL NT0H16AA OM5100/5200 OTR B1 CH1 WMT9E50BAA
One-day shipping available
Nortel DS1404098-E5 PASSPORT RTG SWCH 8324FX 24PT 100B
NEW NORTEL 8648GTR 48 PORT SWITCH MODULE DS1404092-E5
1 Nortel BCM400 4.0 BCM 400 R4.0 R4 1000vm ICC Pro Rpt
dual hard drives dual power supply&RAID backup system
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Nortel NT7B10AAEE BCM 400 Business Communications Manag
NORTEL AS 3408 E EB1412027E5 APPLICATION SWITCH NEW
39Y9267-Nortel 10 Gb Ethernet High Speed Switch Module
Nortel Passport 8610 Switch 8692SF 8648TXE 8608GBE AC
90 Day Hardware Warranty-Free Shipping!
New Nortel 8692SF DS1404065-E5 Switch Fabric/CPU
90 Day warranty-Free Shipping!
Nortel Alteon Switched Firewall 5109 EB1639046 AF5109
1 Year Warranty-No Reasonable Offers Ever Refused!
NORTEL ETHERNET ROUTING SWITCH AL1001E05E5
Nortel AL1001a07-e5 Baystack Switch 5530 24 TFD new box
GENUINE 39Y9265 IBM Nortel 10Gb Ethernet Switch
One-day shipping available
GENUINE 39Y9267 IBM Nortel 10Gb Ethernet Switch
One-day shipping available
GENUINE 39Y9266 IBM Nortel 10Gb Ethernet Switch
One-day shipping available
Norstar MICS Nortel Office Phone System w/25 T7316 VM
BEST DEAL ON EBAY!!LOWEST PRICE+MOST FEATURES!!!
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NORTEL NTHW70AA 31 4pOC3Ch SMIR Passport 15000 Module
32R1859 IBM NORTEL LAYER 2-7GIGABIT ETHERNET SW 32R1868
Lot of 10 Nortel BayStack 5510-48T 48prt Gigabit Switch
NORTEL ETHERNET ROUTING SWITCH 5510-48T AL1001E03E5
Alteon 6600 Nortel Switch Firewall ASF 6600 EB1639113
NORTEL MODULE ETHERNET 10/100MBPS 32-PORTS DS1404024
Nortel,AL1001E06-E5 ETHERNET ROUTING SWITCH 5520-24T..
Nortel NTHW05AG
4-port OC3c/STM-1 ATM Function Proc
Nortel NTHW06EG
MSS 15000 CONTROL PROCESSOR(CP3)M
NORTEL 8630GBR 30 PORT SFP SWITCH MODULE DS1404063-E5
NORTEL PASSPORT 8692SF ROUTING MODULE DS1404066-E5
Nortel Passport 8010 DS1404090-8691SF/256 1-Port Swit
IBM 44W4404 Nortel 1/10Gb Uplink Ethernet Switch Mod
NORTEL PASSPORT 8310 SWITCH 8393SF 7x 8348TX 7x 8301AC
Nortel Option 11C Phone System w/75 Phones+Loaded+
32R1859,32R1868-BladeCenter Nortel L2-7 Ethernet Module
32R1859,32R1868-BladeCenter Nortel L2-7 Ethernet Module
Nortel BCM50 6.0 IP Bundle With 8 Phones&Voicemail
NEW NORTEL/AVAYA AL1001E14-E5 ERS 5650TD
Nortel Metro Enet Srvcs Unit 1880S ESU1880S
Nortel DM211003 Rev.02 T3/HSSI with cable fld 17X0/26/
Nortel Alteon Firewall Accelerator 5700 EB1639035 NEW!
Nortel DS1404060 8683POSM Passport 8683 POSM 3 Slot MDA
90 Day Warranty-Free Overnight Shipping!
Nortel Alteon 2216 Application Switch EB1412009 316696-
Expedited shipping available
ALTEON 2208 Nortel EB1412010 8 Port Switch AS2208 AS
NORTEL ETHERNET ROUTING SWITCH 4548GT-PWR AL4500E14E6
5-NEW SR2101001E5 Nortel 1 Port T1 Router 1001 Tasman
90 Day Warranty+Free Fedex 2 Day Shipping SR1001
One-day shipping available
Nortel AL1001e07-e5 Baystack Switch 5530 24 TFD new box
(Avaya)Nortel Passport 8648GTR Switch DS1404092-e5
Nortel,WL81MG000-1.0 WLAN 8100 MANAGEMENT S/W BASE 6..
NORTEL NORSTAR TELEPHONE SYSTEM LIFETIME WARRANTY WOW!!
NEW NORTEL AVAYA AL1001E07-E5 5530-24TFD
NORTEL NT0H31BA OPTERA METRO 5200 PER BAND EQLR WMM2RY0
One-day shipping available
NORTEL NTHR16GA 56G FABRIC MODULE for Passport New
NORTEL NORSTAR TELEPHONE SYSTEM LIFETIME WARRANTY WOW!!
Nortel 8630GBR 30Port SFP rout/sw DS1404063 8600
Gigabit Ethenet Routing Switch-Free Shipping!
Nortel BCM 50 Expansion Cabinet
NORTEL ETHERNET ROUTING SWITCH 4548GT AL4500E04E6
DATA EDGE PRODUCT AL4500E16-E6-Nortel 4526GTX-PWR Stack
Includes 2 Year Replacement Warranty
40 Nortel I2004 NTDU82BA NTDU82 Icon Keys w PC PORT PS
NORTEL 8630GBR 30 PORT SFP SWITCH MODULE DS1404063-GS
Nortel Networks DS1404092 Passport 8648GTR 48-Port Mod
Passport 8648GTR 48-Port 10/100/1000 Module-Mint
One-day shipping available
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NORTEL/AVAYA AL1001E13-E5 ERS 5650-TD PWR
**We have many in our stock**NEW and NOB**
Nortel,AL1001E04-E5 ETHERNET ROUTING SWITCH 5510-24T..
NORTEL AG0011039 BLN Nortel FRE4-PPC Spare 64MB NEW
1 Nortel BCM450 1.0 BCM 450 r1 r1.0 9 vm 4 um 16 ip ICC
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