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    Apter Power supports quotations, SOE checks, documentation, and redundant input review for DI840.

DI840 3BSE020836R1

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ABB DI840 3BSE020836R1 is a 16-channel 24 V DC S800 digital input module with SOE, diagnostics, and single or redundant operation.
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Technical specifications for DI840 3BSE020836R1

  • Manufacturer:
    ABB
  • Part Number:
    DI840 3BSE020836R1
  • Product Family:
    ABB Advant OCS and Advant-800xA
  • Product Type:
    S800 I/O Redundant SOE Digital Input Module
  • Stock:
    1
  • Signal Specification:
    24 V DC
  • Input Channels:
    16
  • Signal Type:
    Current sinking
  • SOE:
    Yes
  • Redundancy:
    Yes
  • Isolation:
    One group of sixteen isolated from ground
  • Filter Time:
    0 to 127 ms
  • Event Resolution:
    1 ms
  • Compatible MTUs:
    TU810, TU812, TU814, TU818, TU830, TU833, TU838, TU842, TU843, TU852
  • Keying Code:
    CD
  • Weight:
    0.15 kg
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications SOE Setup Redundancy Sensor Power

Features:

  • SOE recording: ABB documents 1 ms event resolution and a 257-event queue.
  • Single or redundant use: The module supports both approved configurations.
  • Supervised sensor power: Current-limited transducer power and diagnostics support field monitoring.

This model is the SOE-capable, redundant-ready 24 V digital input configuration and differs materially from DI810.

It time-stamps field transitions, supervises sensor power, and reports detailed module and channel diagnostics to the control system.

Confirm controller time synchronization, event collection, redundancy layout, sensor-power loads, MTU orientation, and channel mapping before commissioning.

Availability is subject to Apter Power inventory and sourcing confirmation.

DI840 3BSE020836R1 Manuals, Datasheets, and 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.

DI840 3BSE020836R1 S800 I/O Redundant SOE Digital Input Module Specifications

General

  • ManufacturerABB
  • ModelDI840 3BSE020836R1
  • ConditionNew and factory sealed
  • Product FamilyABB S800 I/O

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.

Event-recording preparation

  • Time source: Confirm controller and I/O time synchronization.
  • Event resolution: Use the ABB-documented 1 ms event handling in the design.
  • Queue handling: Review how the host collects and clears recorded events.
  • Shutter filter: Configure filtering only from the approved cause-and-effect design.

Redundant input checks

  • Architecture: Confirm single or redundant operation in the hardware design.
  • MTU selection: Match the termination unit and mounting orientation.
  • Channel pairing: Keep redundant signal paths and tags documented.
  • Transfer test: Validate the approved changeover and diagnostic behavior.

Transducer-supply review

  • Distribution: Map the current-limited outputs to the intended channels.
  • Load: Keep each sensor-power circuit within ABB limits.
  • Supervision: Test process-power alarms before service.
  • Fault isolation: Separate field-device, power, wiring, and module causes.
Description
DI840 3BSE020836R1 is an ABB S800 I/O digital input module with sixteen 24 V DC current-sinking channels for single or redundant configurations.

DI840 3BSE020836R1 provides Sequence of Events recording, supervised current-limited transducer power, configurable filtering, input indication, and advanced on-board diagnostics.

Before installing DI840 3BSE020836R1, confirm the redundancy design, SOE time synchronization, event handling, sensor-power wiring, compatible MTU, keying code, and full article number.
Alternative Names
DI840 3BSE020836R1 DI840-3BSE020836R1 DI 840 3BSE 020836 R1 DI8403BSE020836R1 ABB DI840 3BSE020836R1 Asea Brown Boveri DI840 ABB S800 I/O DI840 DI840 SOE Digital Input Module
Technical notes
DI840 3BSE020836R1 adds SOE, supervised sensor power, diagnostics, and redundant capability to sixteen 24 V DC inputs. Verify time synchronization and MTU architecture.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
When should DI840 be considered for event-recording digital inputs?
Choose it when the approved design requires SOE, supervised sensor power, advanced diagnostics, or redundant operation.
What timing and synchronization details should be reviewed before ordering DI840?
Provide the controller system, SOE requirement, time-synchronization method, filter settings, event handling, and redundancy design.
Which MTU and sensor-power details should accompany a DI840 quotation?
Send the full MTU label, mounting orientation, redundancy arrangement, terminal plan, mechanical keying, and channel map.
What wiring checks are required before connecting DI840 sensor power?
Review load, polarity, current-limited distribution, returns, supervision, grounding, cable protection, and the approved terminal schedule.
What should be checked when DI840 event records are missing or out of sequence?
Check time synchronization, host event collection, queue status, filter settings, controller configuration, and module diagnostics.
How should redundant DI840 paths be tested during commissioning?
Validate each channel path, diagnostics, event timing, sensor power, and the approved redundancy transfer procedure.
What engineering review is required before migrating from DI810 to DI840?
Compare isolation grouping, SOE, redundancy, sensor power, MTU, filters, event configuration, wiring, and controller software.

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