Industrial Automation Knowledge Hub

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

June 15, 2026 • Siemens

Siemens Plc Battery Replacement: Complete Guide

Siemens Plc Battery Replacement. Siemens brand_guide for industrial automation. Learn best practices, specs, and sourcing.

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June 15, 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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June 15, 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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June 15, 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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June 15, 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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June 15, 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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June 15, 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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June 15, 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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June 15, 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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June 15, 2026 • Allen-Bradley

Allen-Bradley MicroLogix 1100 & 1400: Parts, Modules & End-of-Life Strategy

Complete reference for MicroLogix 1100 and 1400 analog I/O expansion modules, LCD display, EtherNet/IP port, and end-of-life replacement strategy.

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June 15, 2026 • Allen-Bradley

Allen-Bradley PLC-5: End-of-Life Parts & Migration to ControlLogix

Technical guide for Allen-Bradley PLC-5 end-of-life available spare parts, 1771 I/O sourcing, and migration paths to ControlLogix 1756 with minimal downtime.

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June 15, 2026 • Allen-Bradley

Allen-Bradley PowerFlex 40 & 755 Drives: Parts, Fault Codes & Replacement

Technical guide for Allen-Bradley PowerFlex 40 and 755 VFDs drive modules, HIM panels, brake resistors, common fault codes and replacement strategy.

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June 15, 2026 • Siemens

Siemens ET200S & ET200SP: Distributed I/O Modules Reference

Complete guide to Siemens ET200S and ET200SP distributed I/O power modules, digital/analog I/O, motor starters, PROFIBUS and PROFINET head modules.

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June 15, 2026 • Siemens

Siemens SINAMICS S120 & G120: Drive Parts, Control Units & Line Modules

Technical reference for Siemens SINAMICS S120 and G120 drives control units, motor modules, line modules, power modules and CU310-2 DP/PN compatibility.

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June 15, 2026 • Siemens

Siemens CP343 & CP443 Communication Processors: Specs & Compatibility

Deep dive into Siemens CP343-1 and CP443-1 communication modules EtherNet/IP, PROFIBUS, Modbus TCP configuration, compatible S7-300/400 racks and firmware.

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June 15, 2026 • Modicon

Schneider Electric Modicon M580 & Premium: PAC Modules & Replacement Parts

Technical guide for Schneider Electric Modicon M580 and Premium PACs BMX and TSX processors, power supplies, I/O modules and EcoStruxure compatibility.

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June 15, 2026 • Modicon

Modicon Quantum 140 CPU & Power Supply: Deep Dive Reference

Technical deep dive into Modicon Quantum 140 CPUs 140CPU65150, 140CPU65160, CPS power modules, hot standby configuration and end-of-life sourcing.

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June 15, 2026 • GE Fanuc

GE Fanuc IC693 Series 90-30: CPU, I/O & Power Supply Reference

Complete reference for GE Fanuc IC693 Series 90-30 CPU350/364/374, power supplies, analog and discrete I/O modules and Proficy Machine Edition compatibility.

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June 15, 2026 • Mitsubishi

Mitsubishi MELSEC Q & FX Series: PLC Modules & Replacement Parts

Technical guide for Mitsubishi MELSEC Q and FX series PLCs Q06UDEH CPUs, QX/QY I/O modules, FX3U/FX5U modules, power supplies and GX Works compatibility.

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June 15, 2026 • Yaskawa

Yaskawa Sigma-5 & Sigma-7 Servo Drives: Parts, Alarms & Replacement

Technical reference for Yaskawa Sigma-5 and Sigma-7 servo drives SGD7S amplifiers, SGMGV motors, MECHATROLINK-III, common alarms and replacement strategy.

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June 15, 2026 • ABB

ABB AC500 PLC: Modules, Communication Cards & Replacement Parts

Complete guide to ABB AC500 PLCs PM573/PM591/PM595 CPUs, DI/DO/AI/AO modules, CM579 PROFIBUS cards, and Automation Builder software compatibility.

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June 15, 2026 • Allen-Bradley

SLC 500 to CompactLogix Migration: Step-by-Step Engineer's Guide

Practical migration guide from Allen-Bradley SLC 500 to CompactLogix 5370/5380 I/O mapping, program conversion in RSLogix 500 to Studio 5000, wiring changes and testing.

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June 15, 2026 • Siemens

PROFIBUS DP Troubleshooting: Diagnostics, Common Faults & Tools

Field engineer's guide to PROFIBUS DP troubleshooting termination resistance, GSD files, DP/PA coupler faults, Siemens S7 diagnostics and ProfiTrace use.

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June 15, 2026 • Allen-Bradley

EtherNet/IP vs PROFINET: Which Industrial Network Fits Your Plant?

Side-by-side comparison of EtherNet/IP and PROFINET topology, cycle time, conformance classes, controller compatibility and migration considerations.

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June 15, 2026 • Allen-Bradley

PLC Spare Parts Strategy: How to Build a Bulletproof Inventory

Engineering guide to building a PLC spare parts inventory criticality analysis, EOL risk assessment, stocking levels by platform, and eBay sourcing best practices.

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June 15, 2026 • Siemens

Siemens S7-300 to S7-1500 Migration: TIA Portal Upgrade Roadmap

Step-by-step migration guide from Siemens S7-300 to S7-1500 in TIA Portal hardware mapping, SCL/LAD conversion, PROFIBUS to PROFINET, and factory acceptance testing.

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June 15, 2026 • Omron

Omron NX & NJ Series: Sysmac Platform Modules & Replacement Parts

Technical guide for Omron NX1P2, NX102, and NJ501 controllers I/O units, EtherCAT slave modules, safety units and Sysmac Studio compatibility.

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June 15, 2026 • Allen-Bradley

Allen-Bradley GuardLogix 5570 & 5580: Safety PLC Modules & SIL Guide

Complete reference for Allen-Bradley GuardLogix 5570 and 5580 safety PLCs 1756-L7xS/L8xES controllers, safety I/O modules, SIL 2/3 compliance, and Studio 5000 Safety configuration.

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June 15, 2026 • Allen-Bradley

Allen-Bradley PanelView Plus 6 & 7: HMI Parts, Display Replacement & Troubleshooting

Technical guide for Allen-Bradley PanelView Plus 6 and 7 HMIs display assemblies, touch screens, power supplies, 2711P part numbers and FactoryTalk View ME compatibility.

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June 15, 2026 • Allen-Bradley

Allen-Bradley PowerFlex 525: AC Drive Parts, Parameters & Fault Codes

Technical reference for Allen-Bradley PowerFlex 525 AC drives 25B part numbers, EtherNet/IP adapter, brake modules, common fault codes F012/F602 and replacement strategy.

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June 15, 2026 • Beckhoff

Beckhoff CX & BK Series: Embedded PCs, Bus Terminals & Replacement Parts

Complete guide to Beckhoff CX Embedded PCs and BK Bus Couplers CX9020, CX5120, BK9050 EtherCAT couplers, KL/EL I/O terminals and TwinCAT 3 compatibility.

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June 15, 2026 • Siemens

Siemens SIMATIC S5: End-of-Life Parts Sourcing & Migration Strategy

Technical guide for Siemens SIMATIC S5 legacy PLCs S5-115U, S5-135U, S5-155U, 6ES5 module sourcing, memory card formats, and migration path to S7-1500 via TIA Portal.

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June 15, 2026 • Siemens

Siemens SITOP Power Supplies: Selection Guide & Replacement Reference

Complete reference for Siemens SITOP PSU300M, PSU200M, and SMART100 power supplies input/output specs, 6EP part numbers, redundancy modules and troubleshooting tips.

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June 15, 2026 • Modicon

Schneider Electric Altivar 312 & 71: VFD Parts, Fault Codes & Replacement

Technical guide for Schneider Electric Altivar 312 and Altivar 71 VFDs ATV part numbers, control cards, brake resistors, common fault codes OLF/PHF and replacement strategy.

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June 15, 2026 • Allen-Bradley

DeviceNet Troubleshooting: Diagnostics, Node Commissioning & Common Faults

Field guide to DeviceNet troubleshooting network power supply, MAC ID conflicts, EDS file installation, Allen-Bradley 1756-DNB scanner faults and RSNetWorx diagnostics.

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June 15, 2026 • GE Fanuc

FANUC CNC Series 30i & 31i: Control Modules, Servo Drives & Replacement Parts

Technical reference for FANUC CNC Series 30i and 31i A02B/A06B control units, servo amplifier modules, MDI units, spindle drives and end-of-life sourcing.

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June 15, 2026 • Allen-Bradley

PLC Battery Replacement Guide: Allen-Bradley, Siemens, GE & More

Step-by-step PLC battery replacement guide for Allen-Bradley 1756-BA2, Siemens 6ES7 lithium batteries, GE Fanuc IC693ACC301 battery life, low battery alarms and safe swap procedure.

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June 15, 2026 • Omron

Omron CJ1, CJ1M & CJ1W: PLC Modules, I/O Cards & Replacement Parts

Technical guide to the Omron CJ1 platform CJ1M and CJ1G/H CPUs, CJ1W digital and analog I/O units (ID211, OC211, MAD42), power supplies and CX-Programmer compatibility.

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June 15, 2026 • Allen-Bradley

Allen-Bradley SLC 500 Chassis & Power Supplies: 1746-A & 1746-P Reference

Complete reference for SLC 500 chassis and power supplies 1746-A4/A7/A13 racks, 1746-P1/P2/P4 power modules, current budgeting and replacement strategy for legacy systems.

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June 15, 2026 • Allen-Bradley

Allen-Bradley SLC 500 Processors: 5/01 to 5/05 Comparison (1747-L5xx)

Side-by-side comparison of SLC 500 processors 1747-L531, L541, L551 and L553 (SLC 5/03, 5/04, 5/05). Memory, I/O capacity, comms ports and which to choose as a drop-in replacement.

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June 15, 2026 • Allen-Bradley

Allen-Bradley MicroLogix 1500 (1764): Base Units, Processors & I/O Reference

Technical guide to the MicroLogix 1500 1764-28BXB base units, 1764-LSP/LRP processors, expansion I/O, RSLogix 500 compatibility and end-of-life sourcing.

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June 15, 2026 • Allen-Bradley

Allen-Bradley 1606 Power Supplies: XLE & XLS Switched-Mode Selection Guide

Selection and replacement guide for Allen-Bradley 1606 DIN-rail power supplies 1606-XLE and 1606-XLS series (XLE240E, XLS480E), output ratings, redundancy and sizing for control panels.

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June 15, 2026 • Modicon

Schneider Modicon Premium TSX P57: CPUs, TSXPSY Power Supplies & I/O Reference

Deep dive into Schneider Modicon Premium TSX P57 processors (P57 4634M and variants), TSXPSY power supplies (TSXPSY1610), TSX I/O modules and migration path to M580.

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June 15, 2026 • Allen-Bradley

Allen-Bradley POINT I/O 1734: Network Adapters, I/O Modules & Replacement Parts

Reference for Allen-Bradley POINT I/O 1734 EtherNet/IP and DeviceNet adapters (1734-AENT, 1734-EPAC), digital/analog I/O modules, terminal bases and ArmorPoint compatibility.

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