情境
A water system uses a PLC to sequence two pumps based on level sensors. The diagram shows the control wiring with push buttons, relays, and an alarm.
這張圖裡有什麼
看懂背後的決策。
01
Use netlist mode for clear component connections
02
Assign distinct net names for PLC I/O points
03
Include flyback diodes across relay coils to suppress voltage spikes
Use when designing or documenting low-voltage control panels for pump automation with PLCs.