Fanuc Fapt Ladder

Search the ladder for the text associated with the alarm. On Fanuc, alarms are often triggered by an ALM (Alarm) function or a coil that sets an alarm bit. Use the SEARCH (SRC) function in FAPT Ladder.

| Address Type | Size | Purpose | Example | | :--- | :--- | :--- | :--- | | | Bit/Byte | Physical Inputs (from sensors, switches) | X8.3 = Overload relay | | Y | Bit/Byte | Physical Outputs (to relays, solenoids) | Y5.0 = Coolant pump on | | F | Bit/Byte | From CNC (status signals from the control) | F45.3 = In-position signal | | G | Bit/Byte | To CNC (commands from the PLC to the CNC) | G8.5 = Cycle start command | | R | Bit/Word | Internal Relays (work memory) | R100.0 = Internal flag | | D | Word | Data Table (preset values, timers) | D200 = Timer preset value | | K | Bit | Keep Relays (retentive settings) | K9.0 = Enable chip conveyor | | T | Timer | On-delay/Off-delay timers | T1 = Timer 1 | | C | Counter | Up/down counters | C5 = Part counter | Fanuc Fapt Ladder

You might think, "The machine works fine. Why touch the ladder?" Here are three scenarios where FAPT Ladder becomes indispensable: Search the ladder for the text associated with the alarm