Allen-Bradley SLC 500 processors (1747)
Discontinued by Rockwell. Still running thousands of lines because a migration means rewriting the program and rewiring the panel. When an SLC processor dies there is no new-stock option at all.
Series 17471991–2019, discontinued21 parts listed
SLC 500 is discontinued — what are the options? Read the obsolescence guide →
Processor / CPU
1747-L511
SLC 5/01 processor, 1 K memory
1747-L514
SLC 5/01 processor, 4 K memory
1747-L524
SLC 5/02 processor, 4 K memory
1747-L531
SLC 5/03 processor, 8 K memory
1747-L532
SLC 5/03 processor, 16 K memory
1747-L541
SLC 5/04 processor, 16 K memory, DH+
1747-L542
SLC 5/04 processor, 32 K memory, DH+
1747-L543
SLC 5/04 processor, 64 K memory, DH+
1747-L551
SLC 5/05 processor, 16 K memory, Ethernet
1747-L552
SLC 5/05 processor, 32 K memory, Ethernet
1747-L553
SLC 5/05 processor, 64 K memory, Ethernet
Communications module
Motion module
Accessory
Not listed?
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