§¬§à§Þ§á§Ñ§ß§Ú§ñ ICP Sensor §ã 2010 §Ô§à§Õ§Ñ §ñ§Ó§Ý§ñ§Ö§ä§ã§ñ §á§â§à§Ú§Ù§Ó§à§Õ§Ú§ä§Ö§Ý§Ö§Þ §Þ§Ö§ä§Ö§à§â§à§Ý§à§Ô§Ú§é§Ö§ã§Ü§Ú§ç §Õ§Ñ§ä§é§Ú§Ü§à§Ó §Ú §á§à§ã§ä§Ñ§Ó§ë§Ú§Ü§à§Þ §â§Ö§ê§Ö§ß§Ú§Û §Õ§Ý§ñ §Þ§à§ß§Ú§ä§à§â§Ú§ß§Ô§Ñ §à§Ü§â§å§Ø§Ñ§ð§ë§Ö§Û §ã§â§Ö§Õ§í.
§¹§ä§à §ä§Ñ§Ü§à§Ö RS-485? §¬§Ñ§Ü §ã§Ý§Ö§Õ§å§Ö§ä §á§à§Õ§Ü§Ý§ð§é§Ñ§ä§î §Ú§ß§ä§Ö§â§æ§Ö§Û§ã RS-485?
2021-12-16
ICP Sensor
353
§¹§ä§à §ä§Ñ§Ü§à§Ö RS-485? §¬§Ñ§Ü §ã§Ý§Ö§Õ§å§Ö§ä §á§à§Õ§Ü§Ý§ð§é§Ñ§ä§î §Ú§ß§ä§Ö§â§æ§Ö§Û§ã RS-485?
RS-485 ¡ª §ï§ä§à §æ§Ú§Ù§Ú§é§Ö§ã§Ü§Ú§Û §Ú§ß§ä§Ö§â§æ§Ö§Û§ã, §á§â§à§ë§Ö §Ô§à§Ó§à§â§ñ, §Ñ§á§á§Ñ§â§Ñ§ä§ß§í§Û. RS-485 §à§ä§ß§à§ã§Ú§ä§ã§ñ §Ü §á§â§à§Ó§à§Õ§ß§à§Û §á§Ö§â§Ö§Õ§Ñ§é§Ö, §á§à§ï§ä§à§Þ§å §ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§Ñ §Ñ§á§á§Ñ§â§Ñ§ä§ß§Ñ§ñ §ã§â§Ö§Õ§Ñ §á§Ö§â§Ö§Õ§Ñ§é§Ú. §¶§Ñ§Ü§ä§Ú§é§Ö§ã§Ü§Ú, §Õ§à§ã§ä§Ñ§ä§à§é§ß§à §Õ§Ó§å§ç §á§â§à§Ó§à§Õ§à§Ó. §¥§Ó§Ñ §á§â§à§Ó§à§Õ§Ñ §á§Ö§â§Ö§Õ§Ñ§ð§ä §à§Õ§Ú§ß §Ú §ä§à§ä §Ø§Ö §ã§Ú§Ô§ß§Ñ§Ý, §ß§à §á§Ö§â§Ö§Õ§Ñ§ä§é§Ú§Ü §â§Ñ§Ù§Õ§Ö§Ý§ñ§Ö§ä §ï§ä§à§ä §ã§Ú§Ô§ß§Ñ§Ý §ß§Ñ §Õ§Ó§Ñ. §±§â§Ú§Ö§Þ§ß§Ñ§ñ §ã§ä§à§â§à§ß§Ñ §Ó§à§ã§ã§ä§Ñ§ß§Ñ§Ó§Ý§Ú§Ó§Ñ§Ö§ä §Ö§Ô§à §Õ§à §Ú§ã§ç§à§Õ§ß§à§Ô§à §ã§à§ã§ä§à§ñ§ß§Ú§ñ.
§·§Ñ§â§Ñ§Ü§ä§Ö§â§Ú§ã§ä§Ú§Ü§Ú RS-485: 1. §¿§Ý§Ö§Ü§ä§â§Ú§é§Ö§ã§Ü§Ú§Ö §ç§Ñ§â§Ñ§Ü§ä§Ö§â§Ú§ã§ä§Ú§Ü§Ú RS-485: §Ú§ã§á§à§Ý§î§Ù§å§Ö§ä§ã§ñ §Õ§Ú§æ§æ§Ö§â§Ö§ß§è§Ú§Ñ§Ý§î§ß§Ñ§ñ §à§ä§â§Ú§è§Ñ§ä§Ö§Ý§î§ß§Ñ§ñ §Ý§à§Ô§Ú§Ü§Ñ, §Ý§à§Ô§Ú§é§Ö§ã§Ü§Ñ§ñ ?1? §Ó§í§â§Ñ§Ø§Ñ§Ö§ä§ã§ñ §â§Ñ§Ù§ß§à§ã§ä§î§ð §ß§Ñ§á§â§ñ§Ø§Ö§ß§Ú§Û §Þ§Ö§Ø§Õ§å §Õ§Ó§å§Þ§ñ §á§â§à§Ó§à§Õ§Ñ§Þ§Ú §Ü§Ñ§Ü +(2~6) §£; §Ý§à§Ô§Ú§é§Ö§ã§Ü§Ñ§ñ ?0? §á§â§Ö§Õ§ã§ä§Ñ§Ó§Ý§ñ§Ö§ä§ã§ñ §â§Ñ§Ù§ß§à§ã§ä§î§ð §ß§Ñ§á§â§ñ§Ø§Ö§ß§Ú§Û §Þ§Ö§Ø§Õ§å §Õ§Ó§å§Þ§ñ §Ý§Ú§ß§Ú§ñ§Þ§Ú §Ü§Ñ§Ü -(2~6) §£. §µ§â§à§Ó§Ö§ß§î §ã§Ú§Ô§ß§Ñ§Ý§Ñ §Ú§ß§ä§Ö§â§æ§Ö§Û§ã§Ñ §ß§Ú§Ø§Ö, §é§Ö§Þ §å RS-232-C, §é§ä§à §ã§ß§Ú§Ø§Ñ§Ö§ä §Ó§Ö§â§à§ñ§ä§ß§à§ã§ä§î §á§à§Ó§â§Ö§Ø§Õ§Ö§ß§Ú§ñ §Þ§Ú§Ü§â§à§ã§ç§Ö§Þ§í §Ú§ß§ä§Ö§â§æ§Ö§Û§ã§ß§à§Û §ã§ç§Ö§Þ§í, §Ñ §ä§Ñ§Ü§Ø§Ö §ã§à§Ó§Þ§Ö§ã§ä§Ú§Þ §ã §å§â§à§Ó§ß§Ö§Þ TTL, §é§ä§à §å§á§â§à§ë§Ñ§Ö§ä §á§à§Õ§Ü§Ý§ð§é§Ö§ß§Ú§Ö §Ü §ã§ç§Ö§Þ§Ñ§Þ TTL. 2. §®§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§Ñ§ñ §ã§Ü§à§â§à§ã§ä§î §á§Ö§â§Ö§Õ§Ñ§é§Ú §Õ§Ñ§ß§ß§í§ç §á§à §á§â§à§ä§à§Ü§à§Ý§å RS-485 §ã§à§ã§ä§Ñ§Ó§Ý§ñ§Ö§ä 10 §®§Ò§Ú§ä/§ã. 3. §ª§ß§ä§Ö§â§æ§Ö§Û§ã RS-485 §á§â§Ö§Õ§ã§ä§Ñ§Ó§Ý§ñ§Ö§ä §ã§à§Ò§à§Û §Ü§à§Þ§Ò§Ú§ß§Ñ§è§Ú§ð §Ò§Ñ§Ý§Ñ§ß§ã§ß§í§ç §Õ§â§Ñ§Û§Ó§Ö§â§à§Ó §Ú §Õ§Ú§æ§æ§Ö§â§Ö§ß§è§Ú§Ñ§Ý§î§ß§í§ç §á§â§Ú§Ö§Þ§ß§Ú§Ü§à§Ó, §à§Ò§Ý§Ñ§Õ§Ñ§ð§ë§Ú§ç §å§Ý§å§é§ê§Ö§ß§ß§à§Û §Ù§Ñ§ë§Ú§ä§à§Û §à§ä §ã§Ú§ß§æ§Ñ§Ù§ß§í§ç §á§à§Þ§Ö§ç, §ä§à §Ö§ã§ä§î §ç§à§â§à§ê§Ö§Û §á§à§Þ§Ö§ç§à§å§ã§ä§à§Û§é§Ú§Ó§à§ã§ä§î§ð. 4. §®§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§Ñ§ñ §Õ§Ñ§Ý§î§ß§à§ã§ä§î §ã§Ó§ñ§Ù§Ú §á§à RS-485 §ã§à§ã§ä§Ñ§Ó§Ý§ñ§Ö§ä §à§Ü§à§Ý§à 1219 §Þ, §Ñ §Þ§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§Ñ§ñ §ã§Ü§à§â§à§ã§ä§î §á§Ö§â§Ö§Õ§Ñ§é§Ú ¡ª 10 §®§Ò§Ú§ä/§ã. §³§Ü§à§â§à§ã§ä§î §á§Ö§â§Ö§Õ§Ñ§é§Ú §à§Ò§â§Ñ§ä§ß§à §á§â§à§á§à§â§è§Ú§à§ß§Ñ§Ý§î§ß§Ñ §Õ§Ñ§Ý§î§ß§à§ã§ä§Ú. §®§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§Ñ§ñ §Õ§Ñ§Ý§î§ß§à§ã§ä§î §ã§Ó§ñ§Ù§Ú §Þ§à§Ø§Ö§ä §Ò§í§ä§î §Õ§à§ã§ä§Ú§Ô§ß§å§ä§Ñ §á§â§Ú §ã§Ü§à§â§à§ã§ä§Ú §á§Ö§â§Ö§Õ§Ñ§é§Ú 100 §¬§Ò§Ú§ä/§ã. §¥§Ý§ñ §á§Ö§â§Ö§Õ§Ñ§é§Ú §Ò§à§Ý§î§ê§Ú§ç §â§Ñ§ã§ã§ä§à§ñ§ß§Ú§Û §ä§â§Ö§Ò§å§ð§ä§ã§ñ §â§Ö§ä§â§Ñ§ß§ã§Ý§ñ§ä§à§â§í RS-485. §º§Ú§ß§Ñ RS-485 §à§Ò§í§é§ß§à §á§à§Õ§Õ§Ö§â§Ø§Ú§Ó§Ñ§Ö§ä §Þ§Ñ§Ü§ã§Ú§Þ§å§Þ 32 §å§Ù§Ý§Ñ. §±§â§Ú §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ß§Ú§Ú §ã§á§Ö§è§Ú§Ñ§Ý§î§ß§à§Ô§à §é§Ú§á§Ñ RS-485 §Ü§à§Ý§Ú§é§Ö§ã§ä§Ó§à §å§Ù§Ý§à§Ó §Þ§à§Ø§Ö§ä §Õ§à§ã§ä§Ú§Ô§Ñ§ä§î 128 §Ú§Ý§Ú 256, §Ñ §Þ§Ñ§Ü§ã§Ú§Þ§Ñ§Ý§î§ß§à§Ö §Ü§à§Ý§Ú§é§Ö§ã§ä§Ó§à §á§à§Õ§Õ§Ö§â§Ø§Ú§Ó§Ñ§Ö§Þ§í§ç §å§Ù§Ý§à§Ó §Þ§à§Ø§Ö§ä §ã§à§ã§ä§Ñ§Ó§Ý§ñ§ä§î §Õ§à 400. §º§Ú§ß§Ñ RS-485 §á§à§Ý§å§é§Ú§Ý§Ñ §ê§Ú§â§à§Ü§à§Ö §â§Ñ§ã§á§â§à§ã§ä§â§Ñ§ß§Ö§ß§Ú§Ö §Ò§Ý§Ñ§Ô§à§Õ§Ñ§â§ñ §ã§Ó§à§Ö§Û §ß§Ú§Ù§Ü§à§Û §ã§ä§à§Ú§Þ§à§ã§ä§Ú §Ú §á§â§à§ã§ä§à§Û §Ü§à§ß§ã§ä§â§å§Ü§è§Ú§Ú. §°§ß§Ñ §ê§Ú§â§à§Ü§à §Ú§ã§á§à§Ý§î§Ù§å§Ö§ä§ã§ñ §Ó §â§Ñ§Ù§Ý§Ú§é§ß§í§ç §à§Ò§Ý§Ñ§ã§ä§ñ§ç, §ä§Ñ§Ü§Ú§ç §Ü§Ñ§Ü §ã§Ú§ã§ä§Ö§Þ§í §Ó§Ú§Õ§Ö§à§ß§Ñ§Ò§Ý§ð§Õ§Ö§ß§Ú§ñ, §Ú§ß§ä§Ö§Ý§Ý§Ö§Ü§ä§å§Ñ§Ý§î§ß§í§Ö §ä§â§Ñ§ß§ã§á§à§â§ä§ß§í§Ö §ã§Ú§ã§ä§Ö§Þ§í, §Ú§ß§ä§Ö§Ý§Ý§Ö§Ü§ä§å§Ñ§Ý§î§ß§í§Ö §Ù§Õ§Ñ§ß§Ú§ñ, §Þ§à§ß§Ú§ä§à§â§Ú§ß§Ô §Ü§à§Þ§á§î§ð§ä§Ö§â§ß§í§ç §Ù§Ñ§Ý§à§Ó §Ú §á§â§à§Þ§í§ê§Ý§Ö§ß§ß§Ñ§ñ §Ñ§Ó§ä§à§Þ§Ñ§ä§Ú§Ù§Ñ§è§Ú§ñ. §±§â§à§Ü§Ý§Ñ§Õ§Ü§Ñ §Ý§Ú§ß§Ú§Ú §ê§Ú§ß§í RS-485 §à§ä§ß§à§ã§Ú§ä§Ö§Ý§î§ß§à §á§â§à§ã§ä§Ñ, §ß§à §Ö§ã§ä§î §ß§Ö§Ü§à§ä§à§â§í§Ö §Þ§à§Þ§Ö§ß§ä§í, §ß§Ñ §Ü§à§ä§à§â§í§Ö §ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§à §à§Ò§â§Ñ§ä§Ú§ä§î §Ó§ß§Ú§Þ§Ñ§ß§Ú§Ö, §Ú§ß§Ñ§é§Ö §ï§ä§à §Ý§Ö§Ô§Ü§à §Þ§à§Ø§Ö§ä §á§â§Ú§Ó§Ö§ã§ä§Ú §Ü §ã§Ò§à§ñ§Þ §ã§Ó§ñ§Ù§Ú, §Ñ §á§à§ã§Ý§Ö§Õ§å§ð§ë§Ú§Ö §â§Ñ§Ò§à§ä§í §á§à §ä§Ö§ç§ß§Ú§é§Ö§ã§Ü§à§Þ§å §à§Ò§ã§Ý§å§Ø§Ú§Ó§Ñ§ß§Ú§ð §Ò§å§Õ§å§ä §à§é§Ö§ß§î §ä§â§å§Õ§à§Ö§Þ§Ü§Ú§Þ§Ú. §£ §ã§á§Ö§è§Ú§æ§Ú§Ü§Ñ§è§Ú§Ú §á§à §á§à§Õ§Ü§Ý§ð§é§Ö§ß§Ú§ð RS-485, §ã§à§ã§ä§Ñ§Ó§Ý§Ö§ß§ß§à§Û §ã§Ý§Ö§Õ§å§ð§ë§Ú§Þ §â§Ö§Õ§Ñ§Ü§ä§à§â§à§Þ, §ã§Ý§Ö§Õ§å§Ö§ä §à§ä§Þ§Ö§ä§Ú§ä§î §ã§Ý§Ö§Õ§å§ð§ë§Ú§Ö §Þ§à§Þ§Ö§ß§ä§í: §£§ß§Ú§Þ§Ñ§ß§Ú§Ö §Ü §á§â§à§Ó§à§Õ§Ü§Ö RS-485: §±§â§à§Ò§Ý§Ö§Þ§Ñ §ã §á§â§à§Ó§à§Õ§Ü§à§Û: §£ §á§â§à§Ó§à§Õ§Ü§Ö §ê§Ú§ß§í 485 §ß§Ö§à§Ò§ç§à§Õ§Ú§Þ§à §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §ï§Ü§â§Ñ§ß§Ú§â§à§Ó§Ñ§ß§ß§å§ð §Ó§Ú§ä§å§ð §á§Ñ§â§å, §à§á§ä§Ú§Þ§Ñ§Ý§î§ß§í§Û §Õ§Ú§Ñ§Þ§Ö§ä§â §á§â§à§Ó§à§Õ§Ñ ¡ª 0,75 §Ú§Ý§Ú 1,0 §Þ§Þ. §®§ß§à§Ô§Ú§Ö §Ú§ã§á§à§Ý§î§Ù§å§ð§ä §ã§Ö§ä§Ö§Ó§à§Û §Ü§Ñ§Ò§Ö§Ý§î §Ó §Ü§Ñ§é§Ö§ã§ä§Ó§Ö §á§â§à§Ó§à§Õ§Ñ 485 §ß§Ñ§á§â§ñ§Þ§å§ð §á§â§Ú §Þ§à§ß§ä§Ñ§Ø§Ö §Õ§Ý§ñ §å§Õ§à§Ò§ã§ä§Ó§Ñ. §³§Ö§ä§Ö§Ó§à§Û §Ü§Ñ§Ò§Ö§Ý§î §Ú§Þ§Ö§Ö§ä §Ó§à§ã§Ö§Þ§î §á§â§à§Ó§à§Õ§à§Ó, §Ñ §Õ§Ý§ñ 485 §Õ§à§ã§ä§Ñ§ä§à§é§ß§à §Õ§Ó§å§ç §Ú§Ý§Ú §é§Ö§ä§í§â§Ö§ç. §°§ã§ä§Ñ§Ý§î§ß§í§Ö §á§â§à§Ó§à§Õ§Ñ §â§Ñ§ã§ç§à§Õ§å§ð§ä§ã§ñ §Ó§á§å§ã§ä§å§ð. §¬§â§à§Þ§Ö §ä§à§Ô§à, §Õ§Ú§Ñ§Þ§Ö§ä§â §á§â§à§Ó§à§Õ§à§Ó §Ó §ã§å§ë§Ö§ã§ä§Ó§å§ð§ë§Ú§ç §ã§Ö§ä§Ö§Ó§í§ç §Ü§Ñ§Ò§Ö§Ý§ñ§ç §à§ä§ß§à§ã§Ú§ä§Ö§Ý§î§ß§à §Þ§Ñ§Ý §Ú §ß§Ö §Þ§à§Ø§Ö§ä §Ó §á§à§Ý§ß§à§Û §Þ§Ö§â§Ö §ã§à§à§ä§Ó§Ö§ä§ã§ä§Ó§à§Ó§Ñ§ä§î §ä§â§Ö§Ò§à§Ó§Ñ§ß§Ú§ñ§Þ §ã§Ó§ñ§Ù§Ú §ê§Ú§ß§í 485, §á§à§ï§ä§à§Þ§å §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §ã§Ö§ä§Ö§Ó§à§Û §Ü§Ñ§Ò§Ö§Ý§î §ß§Ö §â§Ö§Ü§à§Þ§Ö§ß§Õ§å§Ö§ä§ã§ñ. §´§Ñ§Ü§Ø§Ö §ß§Ö§Ý§î§Ù§ñ §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î §á§Ñ§â§Ñ§Ý§Ý§Ö§Ý§î§ß§í§Ö §á§â§à§Ó§à§Õ§Ñ, §Ü§à§Ñ§Ü§ã§Ú§Ñ§Ý§î§ß§í§Ö §Ü§Ñ§Ò§Ö§Ý§Ú §Ú§Ý§Ú §Ó§Ú§ä§í§Ö §á§Ñ§â§í §Ò§Ö§Ù §ï§Ü§â§Ñ§ß§Ú§â§å§ð§ë§Ú§ç §ã§Ý§à§Ö§Ó. §±§à§ã§Ü§à§Ý§î§Ü§å 485 ¡ª §ï§ä§à §Õ§Ú§æ§æ§Ö§â§Ö§ß§è§Ú§Ñ§Ý§î§ß§à-§Ò§Ñ§Ý§Ñ§ß§ã§ß§Ñ§ñ §á§Ö§â§Ö§Õ§Ñ§é§Ñ, §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ß§Ú§Ö §Ó§Ú§ä§í§ç §á§Ñ§â §ï§æ§æ§Ö§Ü§ä§Ú§Ó§ß§à §Ü§à§Þ§á§Ö§ß§ã§Ú§â§å§Ö§ä §Ó§Ý§Ú§ñ§ß§Ú§Ö §Ó§ß§Ö§ê§ß§Ú§ç §á§à§Þ§Ö§ç. §£ §Ý§Ú§ß§Ú§ñ§ç 485 §ß§Ö§Ý§î§Ù§ñ §Ú§ã§á§à§Ý§î§Ù§à§Ó§Ñ§ä§î 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