Modbus Poll Bytes Missing Error Fixed [exclusive] Jun 2026

The control room hummed like a living thing. Racks of PLCs blinked in steady rhythm, HMI screens glowed, and the factory’s heartbeat — a century-old Modbus network — routed data from conveyor belts to the central historian. For Mara, lead controls engineer, that hum had been comfort for years. Until the day it stopped making sense.