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1. Variable frequency drive project of bar and wire roller table in Shagang Bar and Wire Workshop 5 (ABB ACS880 series inverter is adopted)

2. 2 # furnace communication upgrade project of Shagang Electric Furnace Workshop 1 (PROFIBUS bus is upgraded to PROFINE bus, management type switch is added, distributed interface module is replaced, ring network optical fiber is laid to realize ring network communication)

3. One button intelligent baking project of ladle roaster in converter workshop 2 of Shagang (S7-300 series PLC is used to establish intelligent temperature control model to realize energy-saving and automatic transformation of ladle roaster)