Repairs NI PXIe-6356 on a test bench: what the eight-channel DAQ card measures and why the "OK" LED alone is not enough for a used inverter, servo drive or I/O module
Spare parts Used Siemens S7-300 modules from dismantled cabinets: what to check before buying a CPU, SM331, SM322 and IM361
Repairs Lenze 8200 vector E82EV251_2C – Waiting Time Before Opening the Inverter and FIF Module Replacement
Spare parts Expanding a Legacy Omron CJ2M-CPU33 System with Remote I/O on EtherNet/IP (NX-EIC202) – A Practical Guide
Spare parts Micro800 Plug-In Modules (2080-SERIALISOL, 2080-OF2, 2080-IF2) and the Micro870 Controller – Does Every Module Fit Any CPU?
Spare parts 24V DC Backup Power in the Control Cabinet – Comparing Siemens SITOP DC-UPS 6EP1931-2FC21, Phoenix Contact QUINT-UPS/24DC/24DC/10-20 and PULS UB10.241/UB20.241, and Battery Diagnostics
Spare parts Choosing a 24V DC DIN-Rail Power Supply: Puls SLA3, Siemens SITOP PSU8200, Allen-Bradley 1606-XLE, Omron S8VK-G12024/G03024 and Mean Well DRP-240-24
Repairs B&R ACOPOS 1090 – Blinking RUN LED and Error 7210 (DC Bus Charging) – Complete Diagnostic Guide