The Allen-Bradley 1747-L541 is a Series C SLC 5/04 CPU module for the SLC 500 modular controller family, serving as the central processing unit in a modular rack. It provides 16,000 words of user memory, supports DH+ and RS-232 communications, and uses Flash for backup memory. With a program scan time of 0.9 ms per keyword, it handles up to 4,096 inputs and 4,096 outputs and is designed for chassis with up to 30 slots, with analog I/O up to 480 channels.
