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。
RELIANCE ELECTRIC 0-52838 USRA
RELIANCE ELECTRIC 0-52838 USPP 052838
RELIANCE ELECTRIC 45C-900 NSFP 45C900
RELIANCE ELECTRIC 15HP AC MOTOR T FRAME 3520RPM 460V 3P
RELIANCE ELECTRIC MD6O DRIVE
Reliance Electric HR2000 BLA-08 AC Servo drive 3RA2002
Reliance Electric HR2000 BLA-04 AC Servo drive 3RA2001
Reliance Electric 0-52808-2 OLVC Module PCB
RELIANCE ELECTRIC REGULATOR CARD DCS FIELD 0-57412-E
P21G3101 RELIANCE MOTOR 3HP
LORAIN RELIANCE MARCONI A50B50 543801400 56VDC RECT
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Reliance AutoMate Programmable Controller 45C15 45C15D
Reliance Electric 0-51851-5 PC Board Control 0-518515
