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        ABB DI685 3BDS005833R1
        ABB DI685 3BDS005833R1
        ABB DI685 3BDS005833R1
        ABB DI685 3BDS005833R1
        ABB DI685 3BDS005833R1
        ABB DI685 3BDS005833R1
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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power specializes in sourcing obsolete ABB Advant OCS components, supplying fully tested DI685 input modules to prevent unplanned downtime across your legacy control racks.

        DI685 3BDS005833R1

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        The ABB DI685 3BDS005833R1 is a rack-based Digital Input Unit belonging to the legacy S600 I/O platform, specifically engineered for industrial Advant Open Control Systems (OCS).
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        Ships by Thursday, October 29
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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.
        Parts Availability
        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 DI685 3BDS005833R1

        • Manufacturer:
          ABB
        • Part Number:
          DI685 3BDS005833R1
        • Product Family:
          ABB Advant OCS and Advant-800xA
        • Product Type:
          Digital Input Unit
        • Stock:
          1
        • Number of Channels:
          32
        • Input Voltage:
          24 V DC / 48 V DC
        • Sensor Supply:
          48 V DC (integrated)
        • Isolation:
          Optical isolation per channel
        • Weight:
          1.24 kg
        • Estimated shipping dimensions:
          3.9x25.1x27.9cm
        • Tariff Code:
          37101190
        • 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 Use Cases Safety & Compliance Temperature & Humidity Range

        Features:

        • Bridge Between Field Discrete Signals and the S600 I/O Rack Backplane
        • Unites 32-Channel Digital Input Processing with Built-In 48 V Sensor Supply and Optical Isolation
        • Works in Coordination with Advant Controller 110 and Advant Controller 160 Systems
        The ABB DI685 3BDS005833R1 operates as a 32-channel digital input module in an S600 I/O rack, acquiring discrete status signals from field devices for the Advant Controller system. It continuously processes incoming 24 V DC or 48 V DC signals through optically isolated input channels and transmits the digitized state information through the rack backplane to support real-time monitoring and control of all connected devices and system modules.

        The DI685 3BDS005833R1 provides essential field signal acquisition functions common to the entire rack, and is a critical component of the control and monitoring path, directly affecting the proper, normal operation of the overall Advant Controller system. One or more DI685 3BDS005833R1 modules may be installed per rack depending on the required digital input channel count. The DI685 3BDS005833R1 occupies a single slot in the rack and connects to field wiring through front-mounted multi-pole connectors.

        For applications requiring high-resolution event tracking, the S600 I/O system utilizes the DI685 3BDS005833R1's Sequence of Events capability with precise timestamping across all channels. In addition to standard digital state monitoring, the SOE function performs chronological event recording for post-incident analysis. The DI685 3BDS005833R1 executes wire break detection using internal circuitry specified in the module design.

        The DI685 3BDS005833R1 ABB Digital Input Unit may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        ABB DI685 3BDS005833R1 Digital Input Unit 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.
        ABB DI685 3BDS005833R1 Digital Input Unit Specs

        General

        • Manufacturer ABB
        • Model DI685 3BDS005833R1
        • Condition New Original ready stock
        • Product Family DI620 3BHT300002R1,DI801 3BSE020508R1
        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.
        • Sequence of Events (SOE) Recording: Captures high-speed binary state changes with millisecond-level timestamps. This is crucial for "black box" fault analysis after a trip in power plants or chemical reactors.
        • Critical Alarm & Trip Monitoring: Monitors safety-relevant binary field contacts like emergency stop buttons, pressure switches, level limits, and gas detection sensors.
        • Circuit Breaker Status Feedback: Collects auxiliary contact feedback (open, closed, tripped states) from medium-voltage and high-voltage switchgears.
        • Sensor Health Monitoring: Uses wire break supervision to actively detect field wiring faults (like a snapped cable) before the process suffers an unmonitored failure.
        • Electrical Isolation: Features robust opto-isolation between the raw 24/48 V d.c. field loop circuits and the sensitive backplane logic of the Advant Controller. This stops high-voltage surges from damaging the central CPU.
        • EU Directives & CE Compliance: Built in accordance with the European Union's EMC Directive (for electromagnetic compatibility noise immunity) and the Low-voltage Directive (for electrical safety and dielectric strength).
        • Standards Framework: Complies broadly with the IEC 60255 international series governing measuring relays and protection equipment architectures.
        • Operating Temperature: -40°C to +70°C (-40°F to 158°F). This rugged range enables deployments in remote outdoor control enclosures or hot processing environments.
        • Storage Temperature: -55°C to +85°C (-67°F to 185°F). Ensures component integrity during unpowered transportation or long-term warehouse staging.
        • Relative Humidity: 5% to 95%, strictly non-condensing. Condensation must be avoided via enclosure climate controls to prevent tracking faults or short circuits across high-density connection pins.
        Description
        The ABB DI685 3BDS005833R1 Digital Input Unit is a high-density 32-channel digital input module designed for the ABB S600 I/O system. The DI685 3BDS005833R1 supports both 24 V DC and 48 V DC input voltages, enabling flexible integration with a wide range of industrial field devices. Each of the 32 channels on the DI685 3BDS005833R1 is optically isolated, providing robust protection against electromagnetic interference and ensuring reliable signal integrity in demanding industrial environments. The module also features an integrated 48 V sensor supply, which simplifies wiring by providing direct power to connected sensors without requiring additional external power sources.

        The DI685 3BDS005833R1 is specifically designed to handle high-density discrete signal acquisition in process control and factory automation applications, addressing the challenge of efficiently collecting large numbers of digital input signals within limited I/O rack space. It solves the problem of wiring complexity and signal integrity degradation that often occurs when multiple low-density modules are used to achieve equivalent channel counts. With built-in Sequence of Events (SOE) recording capability, the DI685 3BDS005833R1 enables precise timestamping of critical state changes, which is essential for fault analysis and process optimization in time-sensitive operations. Additionally, the module incorporates wire break detection functionality, allowing operators to identify open-circuit faults in input lines promptly, thereby reducing downtime and maintenance costs.

        The DI685 3BDS005833R1 is widely applied across process industries such as oil and gas, chemical processing, power generation, and water treatment, where reliable monitoring of field devices—including pushbuttons, limit switches, proximity sensors, and safety interlocks—is critical to operational safety and efficiency. It is also utilized in manufacturing automation, building infrastructure management, and material handling systems that require robust and scalable I/O solutions. The module is compatible with ABB Advant Controller 110 and Advant Controller 160 control systems, and it installs directly into standard S600 I/O racks using front-mounted multi-pole connectors for field wiring.
        Alternative Names
        DI685 3BDS005833R1 D1685 3BDS005833R1 DI685 3BDS005833RI DI620 3BHT300002R1 DI801 3BSE020508R1 DI803 3BSE022362R1 DI811 3BSE008552R1
        Technical notes
        The ABB DI685 3BDS005833R1 module functions as a robust interface between field-level binary equipment and the host controller, ensuring precise real-time data acquisition in highly demanding process environments. By translating external discrete electrical status signals into logical binary data, the ABB DI685 3BDS005833R1 allows the central control architecture to maintain complete situational awareness of physical plant assets.
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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
        What operational challenges does the ABB DI685 3BDS005833R1 address?
        The module is engineered to eliminate signal corruption, electrical noise interference, and communication delays commonly encountered in industrial environments. It helps ensure stable signal transmission even across long field-wiring distances.
        Why is galvanic isolation important in the ABB DI685 3BDS005833R1?
        Galvanic isolation protects the control system from voltage spikes, ground loops, and electromagnetic interference. This improves system reliability and reduces the risk of false input signals affecting plant operations.
        How does the ABB DI685 3BDS005833R1 prevent false triggering?
        By filtering contact bounce and electrical noise, the module delivers stable digital input signals to the controller. This helps prevent unwanted alarms, incorrect status indications, and unintended control actions.
        In which industries is the ABB DI685 3BDS005833R1 commonly used?
        The module is widely used in thermal power plants, oil and gas refineries, chemical processing facilities, pulp and paper mills, and other industrial sectors that require highly reliable digital signal monitoring.

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