Two: The legacy SCADA system—Wonderware InTouch 10.1—was older than some of her interns.
“The real one?”
Three: The new edge servers she’d just unboxed ran Windows 11 IoT Enterprise.
At 5:00 PM, the production manager poked his head in. “Well?” wonderware intouch compatibility matrix
The Wonderware InTouch Compatibility Matrix.
One: The new bourbon aging line had to go live in six weeks.
She scrolled the Matrix. No mention of historian issues. That meant it was either a new problem or an undocumented one. She called an old colleague—Dominic, who now worked at a Wonderware (no, AVEVA, she corrected herself) integrator in Baton Rouge. Two: The legacy SCADA system—Wonderware InTouch 10
She looked at the test bench. The InTouch graphics glowed steady. The tags read true. The bourbon line’s virtual mash was cooking perfectly.
A pause. Keyboard clicks. “Okay, I’m looking at my internal copy—the one with the red ‘Draft – Not For Distribution’ stamp. Version 8.3 of the Matrix. See, there’s a master matrix and then there’s the real matrix.”
The InTouch startup screen appeared. Alarms initialized. Tags went live. The bourbon aging line’s simulated temperature curve rose smoothly on the trend chart. “Well
“I know what it says. But the footnote about hypervisors gave me cover. Historian’s dead though. Any buried notes?”
Marta let out a breath she didn’t know she’d been holding.
She smiled, knowing she’d just added her own entry to the ghost in the machine.
By noon, Marta had jury-rigged a test bench. On one side: a Dell Edge Gateway 5200, sleek as a black monolith, running Windows 11 IoT. On the other: a dusty HP Z420 workstation, still on Windows 7, running the production InTouch environment.
“The Matrix says it’s impossible,” Marta said, closing her laptop. “But the Matrix doesn’t have a footnote for stubborn engineers.”