Flashing M580 Firmware from 3.2 to 4.x: The Two-Step Procedure
September 7, 2026 • M580 & SchneiderOverview Upgrading M580 PLC firmware from version 3.2 to 4.x is not a single-step flash. It requires a two-step procedure — you cannot jump…
M580: Selecting the Correct Backplane in the PLC Program — It Will Not Work Otherwise
August 24, 2026 • M580 & SchneiderThe Mistake When configuring an M580 PLC project in Control Expert, you must select the correct backplane model that matches the physical hardware installed…
Aveva Edge: Remove All Tag References Before Deleting Tags from the Database
July 27, 2026 • Aveva & InTouchThe Rule In Aveva Edge (InduSoft Web Studio), you must remove all references to a tag from screens, scripts, and graphics before deleting the…
PLC Firmware for Migrations: CE16, Latest Firmware, and Bus Firmware Matching
July 13, 2026 • M580 & SchneiderThe Standard For M580 PLC migrations, the following firmware baseline should be used: Control Expert 16.0 (CE16) — the current supported programming environment. Latest…
Timezone, NTP, and BIOS Time: How Misconfiguration Affects PLC and Licensing
May 18, 2026 • Infrastructure & ITThe Issue The BIOS clock on a Windows machine affects how the operating system interprets time — and this can have downstream effects on…
PID Tuning: Communicating the Deficiency When Tuning Is Deferred
May 4, 2026 • Commissioning & TestingThe Reality On many projects, PID loop tuning is deferred. The project team or operations may prefer to wait until the station is fully…
InTouch HMI: Window Names with Hyphens Silently Changed to Underscores
April 6, 2026 • Aveva & InTouchThe Bug In Aveva InTouch, when you create a new window with a hyphen (-) in the name, InTouch silently converts the hyphen to…
Moving Toward a Standardized Testing Methodology for PLC Programs
March 23, 2026 • Commissioning & TestingWhy Standardize Without a consistent testing methodology, every engineer tests differently — some test thoroughly, some test only the "important" parts, and some rely…
CE16: Transferring Program to Backup M580 Controller — Power Cycle Required
January 26, 2026 • M580 & SchneiderThe Issue When using Control Expert 16.0 to transfer a program to a backup (standby) M580 controller, the backup PLC may enter a "No…
VFD Shutdown on Minimum Speed: Account for Drift and Add Timeout
January 12, 2026 • InstrumentationThe Scenario A Variable Frequency Drive (VFD) is programmed to shut down when the motor reaches minimum speed. However, the PLC logic checks for…