Loading local progress…
PLC Gym

Give it time before you shout

Getting the lesson ready…

An alarm for missing feedback waits a little, because a healthy valve takes time to move.

Give it time before you shout: the words you will learn

a tag that says something has gone wrong and somebody should look
alarm
the time a healthy valve takes to move
travel time
an alarm that goes off when nothing is wrong
nuisance alarm