LT230 communications INE 324a

... ７ Communications Transmission and Communications Remote) Communications Transmission Private By setting communications transmission, the transmitting data at LT230 will be sent to LT230 ... instruction manual for line converter (Model SC8-10: sold separately).] 9-pin connector SD RD SG １ ２ ３ ４ ５ ６ ７ ８ RDA RDB LT230 LT230 LT230 Termination resis...

Ngày tải lên: 06/09/2014, 10:22

... 1.1 RS-232C Communications Interface 2 1.2 RS-422A/485 Communications Interface 2 2 COMMUNICATIONS PROTOCOL 2 3 COMMUNICATIONS SPECIFICATIONS 3 4 SETTING OF COMMUNICATIONS ... (Master unit) Communications Transmission LT (Master unit) Communications Remote LT (Slave unit) Communications Remote LT ( Slave unit ) Communications Remote LT (Slav...

Ngày tải lên: 06/09/2014, 10:23

... 2 secs. 2 secs. *8 3. Terminal arrangement Line A Line B Line C ① ⑥ ⑪ Event output ② Control output 1 ⑦ ⑫ ③ ⑧ Communications interface ⑬ Event output Control output ... Z R + Heater ⑨ ⑩ CT Ａ Ｂ Ｃ Buffer rela y H ( NC ) C ( COM ) L ( NO ) Line A Line B Line C DI2+ DI1+ DI-COM Power Contact protection element (option) Basic connection...

Ngày tải lên: 06/09/2014, 10:22

Ngày tải lên: 13/09/2012, 10:21

... Networks (ISDN) – Transmit at 256 Kbps over regular phone lines • T1 lines – Transmit at 1.544 Mbps • Cable modems and digital subscriber lines (DSL) – Generally only available in residential areas – Maximum ... Environments • Employees in all lines of work no longer have to be away from the data they need – To help them make decisions • Wireless technologies allow businesses to create an o...

Ngày tải lên: 13/09/2012, 10:52

... (continued) • Antennas – Limited in size due to the dimensions of the tag itself – Types of antennas • Linear and circular – Larger antennas allow the tags to be read at greater distances – Higher frequency ... greatly – Classes of tags • Class 0 tags are read-only • Class 1 tags are read/write 2 Objectives • Define Radio Frequency Identification (RFID) • Explain the need for RFID and how RF...

Ngày tải lên: 13/09/2012, 10:52

... hours each day 2 Objectives • List the advantages of wireless communications for businesses • Discuss the challenges of wireless communications 7 Data Availability Around the Clock • Wireless ... efficient use of office space – Lower support and maintenance costs Wireless Communications Wireless Communications in Business 11 Summary • Wireless technology can positively impact an or...

Ngày tải lên: 13/09/2012, 11:16

... Transfer Protocol (FTP) • Three ways to work with FTP: – Web browser – FTP client – Command line • FTP servers can be configured to allow unauthenticated users to transfer files (called anonymous ... management IEEE 802.1x • Based on a standard established by the Institute for Electrical and Electronic Engineers (IEEE) • Gaining wide-spread popularity • Provides an authentication framewo...

Ngày tải lên: 17/09/2012, 10:43

... Area Networks (tt) • Các chuẩn của IEEE đưa ra: – 802.11a, 802.11b, 802.11g , 802.11n Wireless Communications- Truyền thông không dây Giới thiệu 40 Digital Convergence – Độ hội tụ số • Digital

Ngày tải lên: 17/09/2012, 10:43