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  Download : cdaq1872_1874.pdf_rev1.0

                         8-Channel Analog Input

            within 12/14 Bit AD Converter

      Cdaq1872/1874

  FEATURES

 

    ¡Ü Input Range: ±5V,±2.5V,±1.25V,±1.0V,±0.625V,±250mV,±150mV,±20mA

    ¡Ü Input Channel: 8 Channel

    ¡Ü Within Current Resister: 250§Ù±1£¥

    ¡Ü Resolution: 12 bit 52Ksps(Cdaq1872)/14 bit 48Ksps(Cdaq1874) AD Converter

    ¡Ü External Watchdog Timer

    ¡Ü Command/Response Protocol: Modbus-RTU Protocol

    ¡Ü Communication Type: RS-485(2-wire) to host

    ¡Ü Max. Communication Distance: 4000 feet (1.2Km), 300mA/25V Bus-Pin Surge Protection

    ¡Ü Speed: 1200/2400/4800/9600/19200/38400/57600/115.2K bps

    ¡Ü Asynchronoud Data Format: 1 start bit, 8 data bit, 1 stop bit, no parity

    ¡Ü Power: +15Vdc¡­+30Vdc Regulated

    ¡Ü Size: 125mm×72.4mm

              

   DESCRIPTION

 

       Cdaq1872´Â 12bit 52Ksps AD Converter¸¦, Cdaq1874´Â14bit 48Ksps AD Converter¸¦ äÅÃÇÏ¿©, °¢Á¾ data ÃøÁ¤¿¡ ÀÖ¾î Àú°¡°ÝÀ¸·Î Á¤¹ÐÇÑ data¸¦

    ¾òÀ» ¼ö ÀÖµµ·Ï ¼³°èµÇ¾ú´Ù. ¶ÇÇÑ, ³»ºÎ¿¡ Àü·ùÃøÁ¤¿ë ÀúÇ×(250§Ù/±1£¥)ÀÌ »ðÀԵǾî ÀÖ¾î »ç¿ëÀÚ´Â ³»ÀåµÇ¾î ÀÖ´Â ½ºÀ§Ä¡ Á¶ÀÛ¸¸À¸·Î ¼Õ½±°Ô Àü·ù°ª

    À» ÃøÁ¤ÇÒ ¼ö ÀÖµµ·Ï ¼³°èµÇ¾î ÀÖ´Ù. Cdaq1872/1874´Â ÃÖ´ë 8 channelÀÇ ÀÔ·Âä³ÎÀ» °¡Áö°í ÀÖÀ¸¸ç, °¢ ä³Îº°·Î ±5V,±2.5V,±1.25V,±1.0V,±0.625V,

    ±250mV,±150mV,±20mAÀÇ ÃÑ 8°³ ÀԷ¹üÀ§¿¡ ´ëÇØ ¼³Á¤ÇÒ ¼ö ÀÖ´Ù. ±×¸®°í Cdaq1872/1874¿¡´Â ÃøÁ¤ÇÑ data¸¦ °¢ ÀÔ·Â ¹üÀ§ °ª ¾È¿¡¼­ º¯È¯µÈ °ªÀ¸·Î

    Àü¼ÛÀ» ¹Þ°Å³ª, ¶Ç´Â º¯È¯µÇÁö ¾ÊÀº Hex°ªÀ¸·Î Á÷Á¢ Àü¼ÛÀ» ¹ÞÀ» ¼ö ÀÖÀ¸¸ç, º¯È¯µÈ °ªÀ¸·Î Àü¼ÛÀ» ¹ÞÀ» °æ¿ì¿¡ ÇÑÇÏ¿© º¯È¯µÈ °ª¿¡ »ç¿ëÀÚ°¡ ¼³Á¤ÇÑ

    ¾î¶² °ªÀÇ °öÀÇ °ªÀ¸·Îµµ Àü¼Û ¹ÞÀ» ¼ö ÀÖ´Â ±â´ÉµéÀÌ ¼³°èµÇ¾î ÀÖ´Ù. ÀÌ·¯ÇÑ ±â´ÉµéÀº »ç¿ëÀÚÀÇ ÀÛ¾÷·®À» Çö°ÝÇÏ°Ô °æ°¨½ÃÄÑÁÖ¾î º¸´Ù È¿À²ÀûÀ¸·Î

    ±×¸®°í ºü¸¥ ½Ã°£¿¡ ½Ã½ºÅÛÀ» ±¸ÃàÇÒ ¼ö ÀÖµµ·Ï »ç¿ëÀÚ¸¦ µµ¿ÍÁÙ °ÍÀÌ´Ù.

      Cdaq1872/1874´Â Modbus-RTU Protocol¸¦ ±âº» Protocol·Î ÇÑ´Ù. ±×·¯³ª Á¦Ç°ÀÇ Ç°Áú Çâ»óÀ» À§ÇÏ¿© ¾à°£ÀÇ º¯È­¸¦ °¡Áö°í ÀÖ´Ù. ÇÏÁö¸¸ Modbus

    -RTU ProtocolÀ» Áö¿øÇÏ´Â ¿©Å¸ÀÇ ÀåÄ¡µé°ú ȣȯ¼ºÀ» °¡Áø´Ù.

 

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