情境
Automatic control of fill and empty valves for a tank, using low and high level switches, with emergency stop functionality.
這張圖裡有什麼
看懂背後的決策。
01
Use of seal-in circuits to latch valve states
02
Separate rungs for fill and empty control
03
Inclusion of emergency stop contacts
When designing PLC ladder logic for tank level control applications requiring independent fill and empty valve operation.