Allen-Bradley 1747-L511-CC SLC 500 SLC 500 SLC 5/01 CPU Processor, 1K Memory, DH 485 Communications. Allen-Bradley 1747-L511 SLC 500 SLC 5/01 CPU Processor, 1K Memory, DH 485 Communications. Maximum User Memory: 1K instructions; Maximum Number of I/O: 960; Maximum Local Analog I/O: 480
