Syswin - 64 Bit Omron

I never found out who—or what—wrote that ghost rung. But every night since, when Syswin 64-bit runs in its compatibility mode sandbox, I watch the HR area. Waiting for bit 1205 to flip again.

I had one shot. Syswin’s function. Not on the inputs—on the outputs. I opened the Monitor window, navigated to the Output Bit 00310—the cooling solenoid valve. I right-clicked. Selected Force SET . Syswin 64 Bit Omron

But my computer had been off at 2:00 AM. I was in the control room the whole time. I never found out who—or what—wrote that ghost rung

It was coming from the DM area (Data Memory). A direct move instruction (MOV #8730 DM0200) that didn’t exist in the printed schematic. A ghost rung. Syswin 64 Bit Omron