Steel mill automation
We show the entire process from hardware integration to the finished plate scale with SAP connection. Transparent documentation including all technical challenges.
November 20, November :
The order included the integration of four industrial load cells for the automatic detection of steel plates on a conveyor belt. The software is designed to recognize and count different types of plates.
November 22, November :
We unpacked the load cells and started programming the data communication. The cells use their own protocol—similar to Modbus. After some troubleshooting, the connection finally worked.
November 25, November :
It became complicated because the protocol is neither true EtherCAT nor Modbus. We had to set up a DHCP server, assign IP addresses, and resolve communication via UDP.
November 26, November :
For the measurement logic, we decided to measure the maximum over time when the plate is completely on the conveyor belt. The UI then displays the current weight, the total weight, and a plate counter for three different plate types.
November 28, November :
As with our first project, we again workspace a small dummy solution in our workspace . This allowed us to test the interaction between hardware and software directly.
Whenever a plate goes down, the system counts the plates and automatically categorizes them based on the defined tolerance values.
November 29, November :
Now everything comes together: touchscreen connection, signal lamp for alarms, and remote access to the customer's SAP system. On December 2, we will take the finished setup to the steel mill for final testing on site.
Want more behind-the-scenes insights into our development?
Find out more in our video about our first project!
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