仅在扩展链后一个底座能够安装1/0总线终端插头。未用的I/0总线终端插头可以丢弃或作为备件保存.如果一个扩展系统中只有一一个扩展底座，I/0总线的后–段电缆，可以用50英尺(15米)的I/O扩展电缆，样本号IC693CBL302或IC693CBL314.这些电缆在与扩展底座连接器相连的–端安装了终端电阻。用户还可以自制电缆，将终端电阻连接到适当的引脚上安装在总线末端。
REXROTH S15A1.0/12 HYDRAULIC CHECK VALVE, NNB
KECKLEY Style B 250 PSI 1″ CAST IRON WYE STRAINER, NNB
AMPHENOL CA-A411-0418-A 9804 CONNECTOR, SEALED
SCHNEIDER MODICON TSXRKY6E 6 SLOT RACK
FORCE CON IND, INC. MODEL 01-2A2-H1QB CLUTCH/BRAKE, NIB
ABB YYE109A POWER SUPPLY
ALLEN BRADLEY 1784-KTCX15 INTERFACE CARD
ADVANCE RC2S102TP MAGNETIC STD RPAID START BALLAST, NIB
BROWNING 60B37 STANDARD ROLLER CHAIN SPROCKET, NNB
MARTIN 60BS37 STANDARD ROLLER CHAIN SPROCKET, NNB
LOAD CONTROLS INC PCR-1820 MOTOR LOAD CONTROL
THK SR 35 LINEAR BEARING CARRIAGE, NNB
EATON CUTLER-HAMMER DH361FGK HEAVY DUTY DISCONNECT SWIT
GENERAL ELECTRIC THN3361J NON-FUSIBLE DISCONNECT, 30 Am
LUTZE DRA 240 POWER SUPPLY
ASCO 8321A4, SOLENOID VALVE, 3/8″ NPT, 200 PSI, 110/120
ASCO 8321A2, SOLENOID VALVE, 3/8″ NPT, 200 PSI, 6 W, 11
