3BSE069054R1 DI828: DI828 channel planning: input voltage, isolation and TU851 pairing
DI828 (3BSE069054R1) is an ABB S800 digital input module for higher-voltage discrete circuits. ABB product catalogs identify 16 individually isolated channels for a 120 V AC/DC signal class and specify the TU851 termination unit for this module. Confirm the exact AC/DC operating limits and wiring diagram for the installed revision before connecting field circuits.
Key technical data
| Technical item | Verified value / selection note |
|---|---|
| ABB order code | 3BSE069054R1 |
| Module designation | DI828 |
| Signal type | Digital input |
| Channel count | 16 channels |
| Rated signal class | 120 V AC/DC family designation; confirm exact range and wiring |
| Channel isolation | Individually galvanically isolated channels per catalog |
| MTU | TU851 family pairing; verify hardware-selector revision |
Maintenance handover priorities
For 3BSE069054R1 DI828, preserve the baseline configuration before a planned replacement. Photograph the nameplate and wiring, capture settings and software versions, identify the associated circuit or I/O channels, and agree on a functional test that proves the same operating response.
Selection and compatibility checks
For 3BSE069054R1, verify signal voltage, AC frequency where applicable, input thresholds, isolation requirements, channel commons and TU851 compatibility. Do not use a 24 V DC input-module wiring assumption. Confirm the controller's I/O configuration and the channel's fail/alarm behavior in the application program.
For 3BSE069054R1 DI828, establish the equipment boundary before procurement: record the host controller or panel, the connected field device, the installed hardware and firmware revisions, the supply source, the protection method and the required operating sequence. A family-name match is not enough to confirm that 3BSE069054R1 DI828 is a compatible replacement. Check all interfaces and accessories against the exact ABB documentation.
Commissioning and acceptance
Before replacing DI828, document the source and channel for every conductor. After installation, test each input at the field device and verify the displayed state and alarm response. Confirm insulation, terminal tightness and grounding, and update the I/O map if channels or hardware revisions change.
A practical acceptance record for 3BSE069054R1 DI828 should include the nameplate photograph, order code, terminal and connector condition, configuration or setting values, software revision where applicable, test equipment and measured results. If 3BSE069054R1 DI828 is installed as part of a larger system, record the system-level response as well as the local device indication.
Related same-series designations
These 3BSE069054R1 DI828 references identify related options or configurations, not automatic substitutes. Check each complete model code, ratings, connection method and compatibility before selection.
- 3BSE069054R1
- DI828 3BSE069054R1
Procurement and maintenance handover
Retain 3BSE069054R1 DI828 as the exact reference in the asset register, replacement request and commissioning record.
When requesting a quotation for 3BSE069054R1 DI828, provide the full designation, ABB order number, quantity, installed revision, application voltage, connected load or field-device type, required approvals and delivery destination. Ask the supplier to confirm that the supplied 3BSE069054R1 DI828 matches the stated hardware and accessory configuration. Do not substitute a neighboring family code without engineering review.
