扩展或远程系统的终止需求。当两个或多个基板通过I0总线护展系统连接时，10扩展总线必须完全终止。最常用的终止I/0扩展总线方法是在系统各最后–个扩展或远程基板上安装终端电阻(IC693ACC307)。该电阻安装在连接内部。
NACHI UM837A USPP UM837A
WELDING TECHNOLOGY CORP WI03-T13A USPP WI03T13A
MODICON MM-PMA1-10S USPP MMPMA110S
SIEMENS 6ES7-952-1KY00-?0AA0 NSFP 6ES79521KY000AA?0
YAMATAKE 82408217-001 USPP 82408217001
ITD 575832 USPP 575832
GENERAL ELECTRIC DS3800DGRC1C1D USPP DS3800DGRC1C1D
SQUARE D MHL36600-42MV-1?052 USPP MHL3660042MV105?2
ALLEN BRADLEY 150-B35NCD NSFP 150B35NCD
ALLEN BRADLEY 1756-L55M13 NSFP 1756L55M13
BALDOR ID12450-E USPP ID12450E
ASEA BROWN BOVERI ACS601-0100-5-0?00B1200800 USPP ACS601
GE FANUC IC600BF917 USPP IC600BF917
ALLEN BRADLEY 5150-RS2 USPP 5150RS2
ALLEN BRADLEY 1336S-B015-AN-E?N3 NSFP 1336SB015ANEN3
YOKOGAWA DX204P-2-2 NSPP DX204P22
