3BSE013231R1, TU811V1: eight-channel MTU keying and high-voltage I/O match
ABB TU811V1 is a passive compact S800 MTU rated for eight channels and 250 V. It carries field terminations and part of the ModuleBus; it is not itself an active I/O card.
Verified identification and technical data
| Technical item | Verified value / selection note |
|---|---|
| ABB article | 3BSE013231R1 |
| MTU | TU811V1 |
| Field channels | Up to 8 isolated channels |
| Voltage rating | 250 V |
| Role | Passive field-wiring termination and ModuleBus path |
| Suitable I/O | DI820, DI821, DO820 or DO821 in ABB selector |
| Mounting | DIN rail, mechanical module keying |
For 3BSE013231R1, TU811V1, the table is an identification and selection aid. A nameplate, ABB order record and the actual installation still govern the final configuration.
Confirm the full type, revision and installation limits before treating any related code as a replacement.
Same-series designation index
The codes below share a product family or an identified order-code relationship with 3BSE013231R1, TU811V1. They may differ in rating, software, connections, options or approvals; none is automatically interchangeable.
- 3BSE013231R1
- TU811V1
Application decision
Review the duty before choosing 3BSE013231R1, TU811V1. Use the termination unit only with a compatible high-voltage I/O module and the station's specified wiring practice. Inspect field cable segregation, terminal current and protective earth.
The decision for 3BSE013231R1, TU811V1 should record actual load or process limits, operating environment, normal behavior and the response to a fault. This avoids a selection based only on a familiar series name.
Order and compatibility gate
When specifying 3BSE013231R1, TU811V1, Confirm key positions, physical orientation, station address chain and matching module designation. ABB lists DI820, DI821, DO820 and DO821 as compatible examples.
Send the full designation 3BSE013231R1, TU811V1, hardware or serial revision, quantity, delivery need and nameplate photograph with the RFQ. Require written confirmation of any proposed successor or option-code change.
Installation and proving
For 3BSE013231R1, TU811V1, Record all field terminals before removal. After replacement, inspect mechanical latch and bus continuity, then test the installed I/O channels and any voltage supervision.
Record the as-left settings, test results and installed interfaces of 3BSE013231R1, TU811V1. Make the asset record searchable by the complete designation, not only by a short family label.
Handover record
The buyer and site engineer should agree on a single verified configuration for 3BSE013231R1, TU811V1, including accessories, documentation and the accepted test procedure. Keep deviations visible to both procurement and maintenance.
Retain 3BSE013231R1, TU811V1 in the purchase order, asset register and commissioning record. ABB family specifications help identify the device, but the approved project documents determine whether it is suitable for this installation.
