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Copy| Product Name | ABB DI825 3BSE036373R1 | 125 V DC Input Module |
| Item NO. | 2928235 |
| Weight | 0.1 kg = 0.2205 lb = 3.5274 oz |
| Category | ABB |
| Brand | ABB |
| Creation Time | 2026-10-29 |
S800 I/O · isolated digital input
Eight isolated channels · supervision diagnostics · Sequence of Events
ABB DI825 3BSE036373R1 is an eight-channel 125 V DC digital input module for the ABB S800 I/O family. It receives current-sinking field states through individually isolated channels and transfers the evaluated channel information to the station through ModuleBus.
Within the field circuit, DI825 3BSE036373R1 distinguishes low and high input states, applies the selected digital filter and presents channel status on the front indicators. The channel isolation arrangement keeps each input separate, while the module’s two supervision groups make loss of field supervision visible to the controller.
For time-sensitive event records, DI825 3BSE036373R1 supports Sequence of Events rather than limiting the module to ordinary cyclic status updates. Its installation record must keep the selected MTU, keying, supervision wiring and SOE configuration together so the physical module and controller project describe the same channel arrangement.
DI825 3BSE036373R1 separates input-state handling, supervision and timestamped events so the controller can distinguish a process transition from a field-supply or module condition.
Assign each isolated channel to the documented field point and keep the polarity and return path visible on the termination drawing. For DI825 3BSE036373R1, this lets the controller read the intended 125 V DC state without merging separate field circuits.
Commission the two supervision groups independently. Channel 1 supervises channels 2–4, while channel 8 supervises channels 5–7; testing both groups confirms that DI825 3BSE036373R1 can distinguish loss of supervision from an ordinary channel transition.
Enable the SOE path where event order matters and confirm the controller time path before accepting the record. The timestamp belongs to the complete DI825 3BSE036373R1 signal chain, not merely to the front-panel indication.
Integrating DI825 3BSE036373R1 begins with the correct MTU and keying, continues through grouped field wiring, and ends with a controlled diagnostic and channel test.
Match the cabinet termination requirement to one of the documented MTUs and record its article number with DI825 3BSE036373R1. Confirm keying code AB before the module is seated so a mechanically similar S800 I/O module cannot silently replace the intended circuit.
Keep the two supervision groups evident in the terminal plan and label their supply paths separately. This makes later warning diagnosis traceable and prevents the isolated inputs of DI825 3BSE036373R1 from being documented as one shared field group.
With field power controlled, verify module recognition, supervision, each input transition and then the event path. Save the filter and SOE settings with the project so a replacement DI825 3BSE036373R1 can be checked against the same commissioned record.
Check both the 125 V DC signal requirement and the complete article string DI825 3BSE036373R1. The DI825 input thresholds, insulation arrangement and MTU keying belong to this exact record and should not be inferred from another S800 I/O module.
DI825 3BSE036373R1 is documented with TU811, TU813, TU831, TU839 and TU851 MTUs. Select the MTU from the cabinet and termination requirements, then keep its article number with the DI825 record before wiring is released.
On DI825 3BSE036373R1, channel 1 supervises channels 2–4 and channel 8 supervises channels 5–7. A lost supervision supply creates a channel error and module warning that can be read through ModuleBus, so commissioning should test both groups.
Yes. DI825 3BSE036373R1 supports Sequence of Events with 0.4 ms resolution and a documented accuracy window of −0.25 to +1.0 ms. Confirm that the controller and project configuration preserve the SOE path instead of treating the inputs as ordinary status points.
The documented maximum field-cable length for DI825 3BSE036373R1 is 600 m. Before energizing the circuit, verify the cable route, insulation practice, field voltage and the selected input filter against the actual installation rather than using cable length alone as acceptance.
DI825 3BSE036373R1 separates channel state from supervision and module diagnostics. Review the F, R and W indications, channel LEDs and both supervision groups; a missing group supply can raise a warning even while other isolated channels remain active.
Moore Automation keeps the complete article reference, requested quantity and available product records together so an industrial automation enquiry can be reviewed against one consistent request.
For ABB DI825 3BSE036373R1, the enquiry can retain the exact module, selected MTU and field-channel requirements without implying manufacturer authorization, guaranteed stock or a fixed delivery date.
Send the complete model and requested quantity.
Moore Automation Sales Team
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