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。
Square D – DJA34400E53 3p 400a I-Line LSI NEW TAKEOUT
Digitrip 3001 Cutler Hammer 66D2005G11 DT3001 New
ISSC Honeywell 621 I/O System Complete 621-9934C + ++
BHRC10586NW Receptacle 100A 3ph 4W5P Crouse Hinds 480V
Sick Light Curtain Set AGSE 600-1211 AGSS 600-1111 New
Westinghouse Accutrol 200 40HP 480v VFD DRIVE used
Cincinnati Electrosystems 3045 Operator Interface 5004D
Reliance Rectifier Stack 86466-74RD 230/460V Maxpak
ISSC Honeywell Complete Processor IPC 620-15 620-1537
Arktite Cooper DBR56731 Receptacle Enclosure NOS New
Rosemount Pressure Transmitter 3051S* w/ Flowmeter K5Q4
Rosemount Pressure Transmitter 3051S* w/ Flowmeter B4K5
