GOAL 4: Implement the new control in use during continuous line operation. GOAL 3: Do not lead to stopping the production line. GOAL 2: Replacing the Simatic OP7 operator panel for the TP700 Comfort.
GOAL 1: Replacing the S5 CPU103 controller for S7-1200 1214C. We start writing the plan from setting a goal or goals in the global dimension, in this case it looked like this: I love this job 🙂 WHERE TO START? View of the control cabinet before modernization (the only photo – during some failure).Īctually, this is a very good question! Where do we start the complex work? From the plan! With multithreaded tasks without any guidelines, not only we’ll be working in chaos but the effects will be rather measly. The subject is self-developing and we are richer in new knowledge. In this moment you have to break and just start working, collect the necessary contents one by one and identify unknown areas.
Initially, the solution to this problem discouraged me by the number of unknowns, but as I know, these are normal emotions when starting such projects. I did not know them either from the technical side or from the side of programming. Generally, this was my first major contact with the S5 controllers. That is why there was a need to modernize this system. The old control system also had a lot of defects and poor diagnostics, which generated unnecessary losses. In industrial plants, the line stoppage is very expensive and this point was like a ticking bomb. However, if it breaks down, it is very difficult today for new CPU parts – input and output modules.
#Siemens step 5 programming cable driver
The machine he controlled is in good condition, overall the S5 driver was also fine. The goal of the whole modernization is the preventive replacement of the old PLC controller. This time it was the S5 controller’s turn, which controlled the pallet wrapping machine. Siemens S5 controllers have been on the market since the late 1970s, today this equipment is being withdrawn and replaced by younger member from the Simatic family. A story about how I replaced the Simatic S5 PLC from the late 70s for the newer Siemens S7 with the HMI operator panel. But it worked! 72 inputs and 48 outputs from the old PLC. It wasn’t easy at all! There was no good description of the program, there were no pages in the documentation, and there was no time or opportunity for efficient change.
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