What it is
The ABB 2TLA020071R8000 is the GATE- PROFIBU gateway, catalogued as Accessories under PLC Expansion Modules and built to sit on the PLC sub-rack as the PROFIBU communication gateway rather than as a standalone controller.
What the listed facts actually say
The listing identifies this order code only as an Accessory type — the descriptive fact on the line is GATE- PROFIBU and the order code 2TLA020071R8000, with no further functional ratings exposed in the row.