描述
从结构上分，PLC分为固定式和组合式（模块式）两种。固定式PLC包括CPU板、I/O板、显示面板、内存块、电源等，这些元素组合成一个不可拆卸的整体。模块式PLC包括CPU模块、I/O模块、内存、电源模块、底板或机架，这些模块可以按照一定规则组合配置。
JACUZZI C540969 42×60 OYSTER WHIRPOOL BATH 160669
CLARE OLB-3R 104,400 OUT LOWBOY OIL FURNACE 94191
JACUZZI 9590959 55″x55″ WHITE WHIRLPOOL BATH 160129
DAYTON 36 INCH EXHAUST VENT 153723
WINSMITH 930* 30:1 METRIC SPEED REDUCER 58:RPM 65974
KNF FLEX PAK BAGS IND POLY 1000/CASE KNFFLEXPAK 146142
CARRIER 17M4211053 10 3/8″ DIAMETER LABYRINTH 150167
CARRIER 50HQ-900541 LOOP CONTROLLER W/A-B OPTION 146289
