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 DS3827BS6 THYRISTOR, NEW
HYTROL 4AC 20-1 RH GEAR REDUCER NEW
KLOCKNER-MOELLER N 11-400-CNA CIRCUIT BREAKER USED
NIBCO WD-3110-0 VALVE NEW
FIFE CSP-01-06 ESU01 SENSOR USED
TOP TECH TT-E75-3SP2 3/4 HP ELECTRIC MOTOR , NEW
IDT PERIPHERAL CONTROL UNIT POWER SUPPLY USED
ALLEN-BRADLEY 2192F-D23444O/3-2E MOTOR CTRL CTR USED
LOT OF 6 OMRON G3PA-210B SOLID STATE RELAYS, USED
