SoftPLC CPU for SLC-500 I/O

The SoftPLC-500 model controller CPU resides in a SLC-500 rack and communicates to 1747 I/O modules
Feb. 5, 2026

The SoftPLC-500 model controller CPU resides in a SLC-500 rack and communicates to 1747 I/O modules. The module has Ethernet, two USB ports, and two ports for DH+, Allen-Bradley RIO, all user-configurable for popular protocols. Existing SLC-500 application programs and documentation can be imported with a utility included with the programming software. The component is designed to allow upgrading of the SLC-500 system to a modern CPU without losing investment in I/O wiring, engineering or spare parts, with little to no downtime.

SoftPLC / softplc.com

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