Hi,
I understand that you are trying to achieve the same functionality with and without using a 'triggered subsystem' , and you are expecting the results to be same in both cases.
In the attatched simulink model, you can observe that at t=0, the output from the PID controller outside the triggered subsystem is 0.313, while the output of PID controller inside the triggered subsystem is close to zero. The triggered subsystem executes for the first time at time t='T' , where there is a rising edge, and not at t=0. This delay is causing the output from the triggered subsystem to lag behind that outside the triggered subsystem by the sampling period 'T'.
