(D‑data) are not user‑programmable; they reflect PLC timer/counter states.
The Fanuc 10M parameter manual categorizes parameters into several types, including: Fanuc 10m Parameter Manual
"MDI mode," he whispered, flipping the yellow "Memory Protect" switch. He navigated to the setting screen and found . With a steady breath, he changed the PWE (Parameter Write Enable) bit to 1 . Immediately, the screen flashed with a red alarm—a scream for help from the machine’s gut. (D‑data) are not user‑programmable