Hexadecimal

An open data communication protocol developed in 1979 Published by Modicon Open structure Flexible Widely known Supplied by many SCADA and HMI software Have OPC Servers 2 serial transmission modes: ASCII 10 bits RTU (Binary) 11 bits Communication interface RS-232/485 Ethernet (TCP/IP) Station Device: 0 ~ 255 Digital input 1xxxx: 4 digits for hexadecimal address (0000 ~ FFFF) 1xxxxx: 5 digital for decimal address (0 ~ 65535) Digital output 0xxxx: 4 digits for hexadecimal address (0000 ~ FFFF) 0xxxxx: 5 digital for decimal address (0 ~ 65535) Analog input 4xxxx: 4 dig...

14p buisontdtq 04-10-2012 80 15   Download

H−íng dÉn tù häc PLC CPM1 qua h×nh ¶nh Ch−¬ng 2: CÊu tróc c¬ b¶n cña PLC ! CÊu tróc c¬ b¶n cña bé ®iÒu khiÓn logic lËp tr×nh PLC (Programmable Logic Controller) 2.1 C¸c hÖ ®Õm (Number System) " " " HÖ nhÞ ph©n (hÖ 2) (Binary) HÖ thËp ph©n (hÖ 10) (Decimal) HÖ thËp lôc (hay hÖ hexa - hÖ 16) (Hexadecimal) 1. HÖ nhÞ ph©n (hay hÖ 2 - Binary (BIN)) Lµ hÖ ®Õm trong ®ã chØ sö dông 2 con sè lµ 0 vµ 1 (gäi lµ bit) ®Ó biÓu diÔn tÊt c¶ c¸c con sè vµ ®¹i l−îng. TÊt c¶ c¸c gi¸...

7p tengteng14 20-12-2011 73 4   Download