Overview
Manuals
Termination Function
Module Matching
Commissioning Checks
Features:
- Type Redundant supports exact selection and receiving-system verification.
- Connection Terminal block supports exact selection and receiving-system verification.
- Channels 16 supports exact selection and receiving-system verification.
TU843 is an ABB Redundant selected by its complete product identity and documented Advant S800 I/O equipment role. Its verified execution includes Type Redundant; Connection Terminal block; Channels 16; Voltage 50 V; Mounting Vertical; Use with I/O AI843, AO845, AO845A, DI840, DI880, DO840, DO880 and DP840; Maximum current per I/O channel 3 A. These values distinguish the supplied hardware from visually similar revisions and must match the approved receiving-system record.
Before installing TU843, record the complete nameplate, hardware revision, installed position, connector or terminal allocation, paired assemblies and relevant settings. Compare the supplied unit with the approved ABB documentation, isolate affected energy sources, preserve grounding and configuration data, then complete diagnostics and controlled functional checks before return to service.
The TU843 ABB Redundant is listed as Active / Available from OEM. Current revision, availability and supplied scope are confirmed in the written quotation.
ABB TU843 documentation and reference 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.
TU843 performs the documented module termination unit function within the Advant S800 I/O platform. Verified product data includes Channels 16; Voltage 50 V; Mounting Vertical; Mounting detail 55 º (131 °F); Single/redundant I/O Redundant; Maximum current per I/O channel 3 A. These values and the complete hardware revision must match the supplied unit.
Integrate TU843 only with the approved Advant S800 I/O receiving hardware, connector or terminal arrangement and paired assemblies. Preserve all recorded settings, then verify each affected interface and diagnostic path after installation.
Before energizing TU843, inspect mounting, connector keying, wiring allocation, protective grounding and connected equipment. Review status indications and diagnostics, then complete controlled functional tests before service release.
