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。
GENERAL ELECTRIC CR7RB31EL NEW CONTROL RELAY
GENERAL ELECTRIC CLXA01 NEW SIDE MOUNT AMPLIFIER
SMC AMC-EL5 NEW FILTER AMCEL5
RUSSELLSTOLL F30040 RECEPTACLE NEW F30040
FUJI ELECTRIC SC-N2 3NC1Q0E22 NEW CONTACTOR
ENERPAC MB-1 STATION MANIFOLD NEW MB1
ROBERTSHAW 5210-401 THERMOSTAT NEW 5210401
CROUSE HINDS CHICO A4 SEALING COMPOUND NEW A4
AO SMITH JA1N625N ELECTRIC MOTOR NEW JA1N625N 115V
WESTERN CULLEN HAYES 38-0050-600 RELAY NEW 380050600
