Daily Archives: March 1, 2020


TON and TOF Differences

Introduction of TON and TOF Differences There are several TON and TOF Differences that you need to be aware of. In summary, the TON delays the DN bit from turning ON. The TOF Instruction delays the DN Bit from shutting off. The TON Instruction By far, the TON instruction is Read More »

TON and TOF Differences

Seal and Latch Differences

Introduction to Seal and Latch Differences Today, we are going to discuss the Seal and Latch differences in ladder logic.   Basically, they do something very similar.   When one condition goes true, the output comes on.   Likewise, when a different condition changes, the output shuts off.   There are some differences, however, Read More »

Seal and Latch differences