The Allen-Bradley 1747-L514 is a SLC 5/01 processor from Rockwell Automation designed for the SLC 500 series. It controls up to 960 I/O points, with a 4K instruction memory, and offers fast program and I/O scanning. This reliable module communicates via DH-485 and operates efficiently within 0-60°C. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 1747-L514 Series SLC 500 Module Type SLC 5/01 Processor I/O 960 Maximum Analog I/O 480 User Memory 4,000 Instructions Program Scan Time 8 milliseconds I/O Scan time 2.6 milliseconds I/O Chassis 3 Chassis Module Slots 30 Communication DH-485 Backup Memory EEPROM Backplane Current (5 Volts DC) 350 milliamps Backplane Current (24 Volts DC) 105 milliamps Operating Temperature 0-60 Celsius UPC 10662073748271