FANUC Alarm IBSS-345 — Too many devices at local bus

Manufacturer wording — %s:Too many devices at local bus
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC IBSS-345 (“Too many devices at local bus”): Please see manual IBS SYS FW G4 UM E from Phoenix Contact

Updated 2026-09-17 · LogrobotLM reference

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →