RS485¹qÆl½u °ê¼Ð¹qÆl
¡X ©Ê¯à°Ñ¼Æ
²£«~°õ¦æ¼Ð·Ç:GB/T16657.2-2008 GB/T19666-2005
ªý§Ü¡G120¡Ó15£[
***¤p*¤pÅs¦±¥b®|¡G ¹qÆl¥~®|15 ¿
¾Þ§@·Å«×¡G-40¢J¦Ü70¢J
¡X ²£«~¥Î³~RS485¹qÆl½u °ê¼Ð¹qÆl¡@¡@¥»²£«~À³¥Î©ó·¾³q¥æ¬yÃB©w¹q¬y300V ¥H¤Uªº·Ó©ú¿O¨ã¡B®ð°Ê¤u¨ãµ¥©Ò¥²»Ýªº¶}Ãö¹q·½¡AÁÙ¥i¥H»P¦¹¦P®É¶Ç°e¦UºØ¦U¼Ë±±¨î«ü¥O, ¥æ¬y¹qÀ£1000V ¥H¤Uªº¶Ç°e¼Æ¦rµÀW¡A¤Î¨ä©T©w¤£°Ê¾Q³]ªºÅK¸ô«H¸¹©M¨ä¥L«OÅ@¸Ë¸m¥Î¶Ç¿é±±¨î°t¹q½u¸ô¡C²{¶¥¬q¼sªx¨Ï¥Î©ó´¼¯à¹q¯àªí¶°¤¤§Ûªí¼Æ¾Ú¶Ç¿é¡C
¡X À³¥Î¯SÂIRS485¹qÆl½u °ê¼Ð¹qÆl¡@¡@1. ¼Ð·Çªý§Ü¡G 120£[
2.1kHz «áªº¼Ð·Ç¹q®e¾¹ ( ¹q¾ÉÅé- ¹q¾ÉÅé)¡G 42nF/km
3.1kHz «áªº¼Ð·Ç¹q®e¾¹ ( ¹q¾ÉÅé- ¹q¾ÉÅé& «Ì½ª±¼) ¡G 75.5nF/km
4.20¢J®É¾É½uªº¹qªý´ú¶q¡G 90.9£[/km
5. ¼Ð·Ç§Ö³t¶Ç¼½¡G 66%
6. ¼Ð·ÇÅTÀ³®É¶¡¡G 5.25ns/m
7.1MHz «áªº¼Ð·Ç·l¯Ó¡G 19.7dB/km
8. ¤u§@¼Ð·Ç¹qÀ£¡G 300V
9. ±j¯P±ÀÂˤu§@¹qÀ£¡G 2.1A (@25¢J )
1¡B¹B¥Î¡GApplication:
³q«HÁnÀW¡B¤½¦@¼s¼½«Y²Î³n¥ó¡B»öªí½L¡B¹q¤l²£«~¤Î¦Û°Ê¤Æ³]©w¡B»Ý¨¾¼vÅT°t¹q½u¸ô«Ì½ª±¼¹q¤O¹qÆl¡C
¨Ñ°t¹q«Y²Î¹q«×ªí»·µ{±±¨î§Û¤ôªí¼Æ¾Ú¶Ç¿é½u¡A¨Ñ¤ô³]³Æ´¼¯à¤ôªí»·µ{¼Æ¾Ú¶Ç¿é¹q·½½uµ¥
Applicable to communication audio frequency, broadcast sound system, meter, electric e and automatic e and anti-interference needed circuit shielded wire and cable.
2¡B²£«~¤¶²Ð¡GProduct Description:
¡»¤º¹q¾ÉÅéÀ³¥Î¤@·F²f¤õ»r»Éµ±½u
¡»§C·ÏµL³¿¹q½uRS485¹qÆl½u °ê¼Ð¹qÆl¡@¡@¡»¦hªä¦¡»Éªä¹qÆlµ±¥Í¦¨Æl
¡»·~°È¥~¥]¾T¹`«Ì½ª±¼
¡»»É¤ß½u½s¨î«Ì½ª±¼
¡»»E¤A²mÅ@½u®M
¡»ÃB©w¹q¬yUo/U¬°300/300V
¡»ªø´Á©Ê®e³\¾Þ§@·Å«×À³¤£±o¶W¹L70¢J