Industrial Automation Knowledge Hub

Technical guides, comparison articles and sourcing advice from senior industrial automation engineers.

May 06, 2026 • Allen-Bradley

Allen-Bradley ControlLogix 1756: Complete Parts & Modules Guide

Comprehensive reference for the Allen-Bradley ControlLogix 1756 platform — L73/L72/L83 processors, EN2T, CNB, ControlNet cards and power supplies.

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May 06, 2026 • Allen-Bradley

Allen-Bradley CompactLogix 1769: Processors & I/O Modules Reference

Technical reference for the CompactLogix 1769 series — L33ER and L36ERM processors, IB16, OB16, IF8 I/O modules and compatible power supplies.

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May 06, 2026 • Siemens

Siemens SIMATIC S7-300 & S7-400: Legacy PLC Replacement Parts

Deep guide to S7-300 and S7-400 — CPU modules, signal modules (SM), communication processors (CP) and SITOP power supplies. Sourcing strategy included.

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May 06, 2026 • Siemens

Siemens S7-1200 vs S7-1500: Which TIA Portal PLC Fits Your Application?

Side-by-side comparison of S7-1200 and S7-1500 — performance, I/O, memory, networking, programming and ideal use cases for each platform.

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May 06, 2026 • Modicon

Modicon Quantum 140 & M340: Schneider Electric Legacy PLC Parts

Technical guide to Modicon Quantum (140 series) and M340 — CPS power supplies, CRA remote I/O, processors, and migration tips for aging installations.

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May 06, 2026 • GE Fanuc

GE Fanuc RX3i & Series 90-30: PAC and PLC Replacement Modules

Reference for GE Fanuc RX3i (IC695) and Series 90-30 (IC693) — CPUs, power supplies, I/O modules, communication cards and end-of-life sourcing.

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May 06, 2026 • Allen-Bradley

Allen-Bradley 1747-L531 SLC 500: Processor Specs & Sourcing Guide

Deep dive into the SLC 500 1747-L531 processor — memory architecture, I/O capacity, RSLogix 500 compatibility and replacement strategy for legacy plants.

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May 06, 2026 • Omron

Omron CJ2M & Sysmac NJ: PLC Parts and Module Reference

Technical guide to Omron CJ2M and Sysmac NJ series — CPUs, I/O cards, EtherNet/IP modules, and CX-Programmer / Sysmac Studio compatibility.

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