シナリオ
Automatic control of fill and empty valves for a tank, using low and high level switches, with emergency stop functionality.
この図に含まれるもの
図の背後にある意思決定を読み解く。
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.