Reset a timer

ralonso92 · ‎2024-04-30

Hi,

I am new working on EcoStruxure Expert Classic. I want to reset the accumulated time (TON_X.ET) and the block itself don't let me do that. Any ideas how to reset a timer or a counter?

Thanks

ajrhe · ‎2024-05-03

A TON is easy, just break the connection to the input using a contact and the ET will revert to zero. This will also have the effect of turning the output off.

For TOF you may have more trouble. Would it be suitable to write the PT to zero and have the output immediately turn off? Or does the output need to remain on during the reset?

See Answer In Context

ajrhe · ‎2024-05-03

A TON is easy, just break the connection to the input using a contact and the ET will revert to zero. This will also have the effect of turning the output off.

For TOF you may have more trouble. Would it be suitable to write the PT to zero and have the output immediately turn off? Or does the output need to remain on during the reset?

ralonso92 · ‎2024-05-03

Thank you