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。
Seiki Keypad control Panel Controller SII-KBS2 11-45-00
Sawatec Dual Diaphragm Fluid Dosing Pump DP-177 FL-9491
Parker Compumotor Dynaserv DD Servo Actuator SR5030B62
Henkel HST 5 pump E10.0160PV10PT P 5gph 145psig NEW
Lightnin Mixer Aerator 115/230 Model XJ-30 clamp on **
HPM Processor Board Assembly D2-017-707F
Compumotor Dynaserv DD Servo Actuator SR5030B62-4SN 1C
Pennsylvania Platform Floor Scale M6600 1000 LB 36″x36″
Adept robot board JIB 10300 11110 Rev J
Allen Bradley AB 1770 LDA Line Driver Receiver Chassis
Allen Bradley 1773 LIA PLC-4 Microtrol controller Reman
