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TU516 combines the mechanical I/O base and spring-terminal field connection for supported AC500 S500 modules.
Replacement work should record plug-in module identity, terminal numbers, supply groups, commons, shields, conductor treatment, and cabinet position.
Ordering review should distinguish TU516 from TU516-H and verify 1SAP212000R0001 against the installed label and compatibility matrix.
ABB TU516 I/O Terminal Unit Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
ABB TU516 I/O Terminal Unit Specs
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Compatible I/O review
Conductor termination review
Supply restoration checks
The ABB TU516 is a 24 V DC AC500 I/O terminal unit with spring connections and order code 1SAP212000R0001.
Official ordering data for TU516 assigns it to supported digital and analog expansion modules in the ABB terminal-unit compatibility matrix.
Before ordering 1SAP212000R0001, verify the installed I/O module, spring-terminal requirement, 24 V DC wiring, conductor map, and complete label.





