The Allen-Bradley 1764-LSP is a MicroLogix 1500 Processor Unit by Rockwell Automation, designed for industrial control systems. This PLC offers 7.6 Kb memory, versatile communication options including DH-485 and Modbus, and supports a range of base units. Discontinued yet efficient, it works with RSLogix 500 software and offers expansion up to 512 I/O. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 1764-LSP Series MicroLogix 1500 Product Family MicroLogix Function Processor Unit Product Type MicroLogix Controller Memory 7.6 Kb Communication Ports DH-485, Modbus, DF1, and ACSII Supported Base Units 1764-AWA; 1764-BWA; 1764-BXB Enclosure Type IP20 Power supply MicroLogix Bus Output Source Relay Port and DC FET Heat Dissipation 1.9 Watts Software RSLogix 500 Bus Current Draw 380 MA Digital Trim Potentiometers 2 built-in Communication Port 1; RS232 Compatible Memory Module 1764-MM1, 1764-MM2, 1764-MM3 User Memory Series B; 12K (8K Program; 4K Data)Series C: 14K (10K Program; 4K Data) Compatible Real Time Clock 1764-RTC Communication Protocol Channel 0: DF1, DH485, Modbus, ASCII RS232 Topology Point to point UPC 10611320023630 Support for removal under power 28 Product Lifecycle Status* Discontinued/Obsolete Expansion I/O 512