What this 1/4 DIN controller does on the line
The PXF9AER2-FBCA1: That sampling rate means it catches fast process upsets — think injection mold cavity temps or heated-roller surfaces — before the error drifts past the deadband.
Panel fit and DIN-rail integration
The 1/4 DIN form factor (96 x 96mm panel cutout) is the standard for industrial panel-mount controllers. It slides into the same cutout as every other 1/4 DIN unit on the panel — no rework, no adapter plate.