The Allen-Bradley 1756-L85E is a robust ControlLogix processor module from Industrial Automation, featuring a 2GB non-volatile memory, multiple communications ports (USB, Ethernet), and a high-speed Ethernet connection. Designed for complex tasks, it supports full redundancy and a variety of programming languages, ideal for large-scale industrial applications requiring up to 128,000 discrete I/O. Manufacturer Industrial Automation Brand Allen-Bradley Part Number/Catalog No. 1756-L85E Series ControlLogix Tasks 32 Module Type Processor Module Communications USB, Ethernet Nonvolatile Memory 2 GB (1784-SD2 ships with every controller) Communication Speed 12 MB-Second Communication 1 port USB; Ethernet Ethernet Nodes 300 USB Port Communication Programming, configuration, firmware update, and on-line edits only Ethernet Communication Speed 10/100/1000 Mbps Current Draw (1.2 Volts DC) 5 milliamps USB Communication Speed 12 Mbps Current Draw (5.1 Volts) 1.2 amps Discrete I/O 128,000 Power Dissipation 6.2 Watts User Memory 4MB Analog I/O 4,000 Thermal Dissipation 21.2 BTU-hour Isolation Voltage 50 Volts Continuous Backplane Current (1.2 Volts DC) 5 mA Enclosure None Backplane Current (5.1 Volts DC) 1.2 mA Weight 0.25 kg (0.55 lb) UPC 887172361371 Relative Humidity 5-95 % Programming Software Studio 5000 Redundancy Full Support Programming Languages Relay ladder Structured text Function block SFC"