Assertion: protocol | /r/CapableOf | disappear with the april plc series
Facets:
value: almost
type: DEGREE
Source sentences:
text: Differences between Modbus and JBUS at that time (number of entities, slave stations) are now irrelevant as this protocol almost disappeared with the April PLC series which AEG Schneider Automation bought in 1994 and then made obsolete.