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          Apter Power supports article-number, termination-unit and field-circuit review before quotation.

        DO890 3BSC690074R1

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        ABB DO890 3BSC690074R1 is a four-channel intrinsically safe digital output module for S800 I/O field circuits.
        In Stock
        Ships by Friday, October 30
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
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        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for DO890 3BSC690074R1

        • Manufacturer:
          ABB
        • Part Number:
          DO890 3BSC690074R1
        • Product Family:
          ABB Advant OCS and Advant-800xA
        • Product Type:
          Digital Output Module
        • Stock:
          1
        • Number of Channels:
          4
        • Output Rating:
          11 V, 40 mA
        • Load Range:
          150–5000 ohms
        • Isolation:
          Individual galvanic isolation
        • Protection:
          Short-circuit-proof outputs
        • Compatible MTUs:
          TU890, TU891
        • Weight:
          0.2 kg
        • Estimated shipping dimensions:
          4.5 × 10.2 × 11.9 cm
        • Tariff Code:
          85389099
        • Country of origin:
          Singapore
        • 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 Field Circuit Design Diagnostics & Protection MTU Integration Applications

        Features:

        • Output arrangement: four individually isolated digital-output channels.
        • Field interface: current-source outputs for approved intrinsically safe loops.
        • Termination: ABB lists TU890 and TU891 module termination units.
        Each channel uses its own return path, keeping one field loop electrically separate from the next.

        Wire-fault indication and short-circuit protection provide a focused maintenance starting point.

        The module, termination unit and field devices must belong to the same documented intrinsic-safety design.

        Apter Power supports exact-article and loop-document review for the ABB DO890 3BSC690074R1 Digital Output Module.
        ABB DO890 3BSC690074R1 Digital Output Module Manuals,Datasheets,Link
        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.
        • Separate returns: each output closes through its own field return rather than a shared path.
        • Galvanic separation: individual channel isolation keeps one loop electrically distinct from the next.
        • Current-source operation: connected devices must suit a sourcing-output circuit, not a voltage-free contact.
        • Wire-fault indication: an open or damaged field connection can be traced from the affected channel.
        • Short-circuit tolerance: output protection limits the effect of a direct wiring fault at the channel.
        • Diagnostic scope: separate returns let maintenance begin with one field loop instead of assuming a shared-return failure.
        • TU890 option: ABB lists this termination unit for DO890 field wiring.
        • TU891 option: ABB also lists this termination unit for the same module.
        • Replacement fit: the termination arrangement must match the installed S800 I/O station before the module returns to service.
        • Intrinsic-safety outputs: S800 I/O stations that must drive approved low-power field circuits.
        • Independent loops: installations where each digital output needs a separate return and galvanic isolation.
        • Fault-aware control: field circuits that benefit from channel-level wire-fault detection during maintenance.
        • Current-driven devices: applications matched to the module's sourcing-output behavior and published load limits.
        Description
        Four independently returned field loops make DO890 3BSC690074R1 the intrinsic-safety digital-output interface for selected ABB S800 I/O installations. Individual galvanic isolation keeps each channel electrically separate from the next.

        During troubleshooting, DO890 3BSC690074R1 provides channel-level wire-fault visibility and short-circuit-protected current-source outputs. A problem can therefore be traced to one loop without assuming that every field circuit shares the same return path.

        Correct application of DO890 3BSC690074R1 depends on the approved intrinsic-safety design, the installed S800 I/O position and a matching TU890 or TU891 termination unit. A similar four-channel outline does not establish loop or wiring compatibility.
        Alternative Names
        DO 890 3BSC690074R1 DO-890 3BSC690074R1 DO8903BSC690074R1 DO890 3BSC690074R1 ABB DO890 DO890 3BSC690074R01 DO890 3BSC690074RI
        Technical notes
        DO890 3BSC690074R1 depends on an approved intrinsic-safety arrangement, not on the module alone. The selected TU890 or TU891, connected field device and control drawing must belong to the same accepted loop design; if any element cannot be matched, installation should stop before the field circuit is energized.
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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.
        VIEW ALL FAQS
        A purchaser has the type DO890 but no order code; how should DO890 3BSC690074R1 be confirmed?
        Confirm 3BSC690074R1 from the installed module, engineering record, or approved spare-parts list before ordering. The complete identity prevents a similar S800 I/O module from being selected by family name alone.
        One field circuit no longer responds while the other outputs remain normal; where should troubleshooting begin on DO890 3BSC690074R1?
        Use the affected channel indication and the controller diagnostics to isolate that circuit, then inspect its field conductors and connected device. Treat the healthy channels as evidence that the problem may be local rather than common to the module.
        A connected device falls outside the documented load range; may it be commissioned with DO890 3BSC690074R1?
        No. Stop and select a compatible field interface or device. An out-of-range load can prevent the current output from operating as intended and makes the diagnostic result unreliable.
        A wire-fault indication remains after reconnecting the load; what should be checked on DO890 3BSC690074R1?
        Check conductor continuity, terminal seating, polarity, load resistance, and the field device before clearing the alarm. If the circuit is correct, compare the controller diagnostic state and test the channel under a controlled command.
        A short circuit affects one output; how should maintenance use the design of DO890 3BSC690074R1?
        Diagnose the indicated channel independently and keep the other circuits under observation. The individually isolated, short-circuit-protected channels help localize the fault, but the damaged field wiring or device must still be corrected before reset.
        Can DO890 3BSC690074R1 directly replace a voltage-free relay contact in an existing circuit?
        No. It is a current-source digital output, not a dry contact. Review the receiving device and circuit design, and use an approved interface if galvanic contact switching is required.

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