PLC 110 · PLC Control I
Session 3 · Hour 1 · Series is AND
Instructor cue 될 때까지는 논리가 아니다.
90 minNow Open · 5 min left · next Demo
I show · you follow · check
The lecturer shows once. You copy the same move next.
The lamp holds itself
Start in parallel. Stop in series. Series is AND.
Name what holds after you let go of start
0/6
Series is AND. Parallel is OR.
Start parallel with the coil contact.
Stop in series. That is OFF priority.
ON priority: both pressed, lamp stays.
OFF priority: both pressed, lamp dies.
E-stop wants OFF priority. Home first.
CheckBuild X0 start, X1 stop, Y20 lamp seal-in. Test start, stop, both, power cycle. Prefer OFF priority. A stuck start and stop together must not keep a motor. Lamps first, motors later.