Sensors & PLC
Proximity and photoelectric sensors, PLC I/O wiring faults, and mechatronics.
Browse topics
PLC I/O & Wiring
PLC input and output circuits, field wiring, and systematic fault finding.
Proximity Sensors
Inductive, capacitive, and photoelectric proximity sensor troubleshooting, wiring, and selection.
Encoders & Position Feedback
Incremental and absolute encoder wiring, signal integrity, count loss, and position feedback faults.
Temperature Sensors
Thermocouple and RTD measurement errors, extension wiring, cold-junction compensation, and input card faults.
Safety Relays & E-Stop Circuits
Safety relay reset faults, feedback loop wiring, dual-channel e-stop diagnostics, and monitored reset behavior.
Load Cells & Weighing Systems
Strain gauge load cells, junction boxes, and weight indicators — drift, span error, mounting faults, and calibration checks.