描述
整体式PLC一般配备有许多专用的特殊功能单元，如模拟量I／O单元、位置控制单元和通信单元等，使PLC的功能得到扩展。
FX系列的基本单元、扩展单元和扩展模块的高度和深度相同，但是宽度不同。它们不用基板，各模块可用底部自带的卡子卡在DIN导轨上，两个相邻的单元或模块之间用扁平电缆连接，安装好后组成一个整齐的长方体。
FREE shipping Generous 30-day return policy
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Motorola Symbol Ls 4278 Bar Code Reader – Handheld Bar
FREE shipping Generous 30-day return policy
Expedited shipping available
SYMBOL Motorola PDT 6100 rugged data terminal NEW
SYMBOL MOTOROLA DS6707-SRWR0100AR Kit: RS232-DB9F, 7ft
SYMBOL MOTOROLA DS6707-SRBR0100AR KIT: RS232-DB9F, 7ft
SYMBOL MOTOROLA LS4278-SR20007ZZWR SCAN:SR,LS4278,TWL B
SYMBOL MOTOROLA LS4278-SR20001ZZWR SCAN: SR,LS4278,CSH
NEW CRD9000-410CR Motorola Symbol Charging Kit CRD9000
Motorola Symbol Scanner MC9060G SD card 2GB included
