Catalogue · Allen-Bradley

Allen-Bradley PLC-5 (1785)

The platform that preceded SLC and ControlLogix. Long discontinued and genuinely scarce, but still in service in heavy industry where a rebuild cannot be justified.

Series 17851986–2017, discontinued14 parts listed

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PLC-5 end of life — sourcing and migration Read the obsolescence guide →

Processor / CPU

1785-L46B
Processor module
1785-L20B
PLC-5/20 processor
1785-L40B
PLC-5/40 processor
1785-L60B
PLC-5/60 processor
1785-L80B
PLC-5/80 processor
1785-L20E
PLC-5/20E processor with Ethernet
1785-L40E
PLC-5/40E processor with Ethernet
1785-L80E
PLC-5/80E processor with Ethernet

Communications module

1785-ASB
Communications / network module
1785-KA
Communications / network module
1785-KE
Communications / network module
1785-TR
Communications / network module
1785-ENET
Ethernet sidecar module for PLC-5
1785-BCM
Backup communication module

Not listed?

This is what we list, not the limit of what we source. Send us the part number and we will tell you quickly whether we can find it. Request a quote →