Allen Bradley PLC 1. CompactLogix series Model: 1769-L3x, 1769-L4x (such as 1769-L30ER, 1769-L45) Characteristics: Compact design, supporting high-performance motion control and multi axis collaboration (such as through the 1769-MCM module). Compatible with EtherNet/IP networks, suitable for scenarios such as electronic manufacturing and packaging machinery. Typical modules: Input/output modules: 1769-IB32 (32 point input), 1769-OB32 (32 point output). Motion control module: 1769-MCM (multi axis control), 1769-PM (pulse output). 2. ControlLogix series Model: 1756-L7x (such as 1756-L72, 1756-L75) Characteristics: Large modular PLC, supporting multitasking and large-scale I/O expansion (up to 1024 points). Integrate communication protocols such as Ethernet and ControlNet to adapt to heavy industry scenarios such as metallurgy and energy. Expansion module: Remote I/O: Supports 28 remote racks and is compatible with modules such as 1756-IB32 and 1756-OB32. 3. MicroLogix series Model: MicroLogix 1400 (1766-L32BWA, 1766-L32BXB) MicroLogix 1100/1200 Characteristics: Small and medium-sized PLC with built-in LCD display and EtherNet/IP interface, supporting online editing. Suitable for simple logic control scenarios such as conveyor belts and small production lines. 4. Micro800 series Model: 2080-LC10-12 QBB (Micro810), 2080-LC50-48 QBB (Micro850) Characteristics: Economic integrated PLC, supporting embedded analog (6 points) and digital expansion (32 points). Adapt to low-cost automation equipment such as pump stations and basic sorting systems. 5. PLC5 series (traditional models) Model: 1785-L30B, 1785-L530B Characteristics: Supports 1024 point I/O and remote rack expansion, with battery backup ensuring data security. Mostly used for maintenance or renovation of old systems (such as traditional machine tool control). 6. SLC 500 series Model: 1747-L5xx (controller), 1746-A4 (rack) Characteristics: Modular design, supporting mixed configuration of discrete and analog signals, compatible with DH+/RIO communication. Suitable for medium-sized production lines