Don’t completely trust the translation tool in Electric Power English. It will make a joke, such as someone upstairs.
Bus differential protection: The full name is bus differential protection, so Bus differential protection is correct
Split pressure plate: I don’t know what to call split, maybe it’s in the English of the merged unit The English translation of "parallel arrangement" can be found in the edition information. The pressure plate is a type of connection terminal contact, the full name is connector, and the abbreviation conn is usually used. So maybe SplitConn.
Bin input abnormality: The input is a binary signal Binary indication, so the input is called BI for short in foreign countries, and it is usually called DI (Digital input) in China. BI=DI, so the input abnormality is BIAbnormal, or DIAbnormal.