rfid - PLC Programming & Automation

RFID PLC Integration: Read and Write Tags from Ladder

Timing chart of an RFID read cycle: the trigger bit, the reader busy bit, the done bit, and the UID landing in the UDT before the trigger is cleared

Pick HF or UHF, connect the reader over EtherNet/IP or Modbus, map the data into a UDT, and run a trigger, busy, done handshake that does not drop reads.

Assembly Line Station Logic: State Machine, Takt, Downtime

by PLC

Ladder rung releasing a body from an assembly station: body present, torque batch complete and vision result OK in series, with a normally closed contact for the downstream station blocked, driving the release output

Station and line PLC split, a PackML state machine in Structured Text, torque tool error proofing, andon stops and downtime that blames the right station.