The main web portal and newsletter hub for john-herold, offering weekly technical publications for controls and field service engineers.

Content Categories

• Industrial Automation: Practical breakdowns of PLC/SCADA architecture beyond vendor datasheets.
• Data Center Controls & Commissioning: Field-level insights on BMS/EPMS integration and commissioning (Cx) discipline.
• Field Service Engineering: Site troubleshooting, integrator communication, and safety practices under ISA and NFPA standards.