In case a message with start_id key is repeated without a message with a stop_id key, the data is overwritten. This happens typically when the MTConnect agent reaches the end of its buffer as the MTConnect event generating the start_id key will be repeated.
In case a message with
start_idkey is repeated without a message with astop_idkey, the data is overwritten. This happens typically when the MTConnect agent reaches the end of its buffer as the MTConnect event generating thestart_idkey will be repeated.