A Appendix
A - 78
GX-series EtherCAT Slave Unit User’s Manual
A-4 Wiring External Output Signal Lines
Observe the following points when wiring external output signal lines.
• To absorb reverse electromotive force when an inductive load is connected to an output signal,
connect a diode near the inductive load.
Connect a diode in a DC circuit.
Output Signal Noise Countermeasure
Output
transistor
Output Unit
(with output transistor)
Diode
Inductive
load