Technical fit record for ABB TU860
ABB TU860 is indexed here as a specific buying and service reference. Confirm its complete designation before assuming that another family member has the same terminals, electrical duty or approvals.
Verified technical data
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | TU860 |
| Product family | TU860 |
| Component role | Ethernet FCI termination unit |
| Role | MTU for S800 Ethernet FCI |
| Protocol | Ethernet |
| Slots | Single or redundant CI845 and Ethernet adapters |
| Mount | 35 mm DIN rail |
| ABB article | 3BSE078710R1 |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
The table for ABB TU860 separates verified family data from the configuration checks that still require a nameplate or ABB order record. Do not use a family rating as an unconditional guarantee for the installed unit.
Interface checklist
Before ordering TU860, compare the installed terminal or connector arrangement, power source, mounting envelope and ancillary hardware with the current drawing.
Document the serial number and revision of TU860 where available. If a supplier proposes a substitute, obtain engineering acceptance for every changed interface.
Receipt inspection
On arrival, compare the supplied TU860 label and order code with the approved purchase description. Inspect packaging, terminals, seals and visible damage.
Do not install TU860 when the shipped suffix, control voltage, release or approval differs from the approved build; resolve that discrepancy before commissioning.
Purchase decision
Specify ABB TU860 against a particular asset tag and duty. This unit is used to anchor the designed Ethernet field communication interface; record the intended circuit, process or equipment location before requesting a quote.
For TU860, confirm CI845 count, adapter media, redundant power and ModuleBus. A matching short family name is not sufficient evidence of electrical, mechanical or software interchangeability.
Commissioning evidence
For TU860, prove link and controller failover as designed. Carry out only the tests approved for this device and the connected installation.
Save the as-left settings, measured results, witness and work-order reference for TU860. Any temporary bypass or inhibited alarm must be removed before normal operation.
Site preparation
Plan the TU860 replacement under the facility isolation and permit rules. Preserve photographs, configuration files, settings and a diagnostic baseline before disturbing wiring.
Check enclosure temperature, grounding, segregation and protection coordination for TU860. Record any accessory that is supplied separately rather than assuming it is in the device box.
Lifecycle handover
Keep ABB TU860 linked to its exact spares description, drawings and current manual revision. This helps the next maintenance team identify the same configuration rather than a superficially similar item.
Review the first operating period of TU860 for alarms, heating, drift or switching anomalies and update the asset record if the installed build differs from the original request.
Related configuration references
The following TU860 codes are recorded with ABB TU860 for enquiry. Suffixes may alter ratings, dimensions, approvals or accessories; these are not automatic replacements.
No additional unassigned TU860 code is grouped with TU860 at this stage.
Information to send with an enquiry
Quote ABB TU860 exactly and include the asset tag, electrical or process duty, required accessories and delivery documentation.
For TU860, request written confirmation of any deviation from the fitted unit before accepting an alternative.
