Siemen Counter Programming

[sttchui]

Hi everyone, I not very familiar with siemen programming, can anyone show me a sample how to program S7-300 315DP CPU simle ladder logic to use a counter to show how many hour a machine have run? Abit explaination will help aot! ;) thank you! Regards sttchui

[malc cope]

Hopefully this may help? OB1.pdf