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        ABB DI651 3BHT300026R1
        ABB DI651 3BHT300026R1
        ABB DI651 3BHT300026R1
        ABB DI651 3BHT300026R1
        ABB DI651 3BHT300026R1
        ABB DI651 3BHT300026R1
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        • Lifecycle status

           Discontinued / Obsolete by OEM
          Apter Power specializes in sourcing obsolete ABB hardware, delivering factory-grade replacement components to protect your critical process automation loops and keep your control networks fully operational.

        DI651 3BHT300026R1

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        The ABB DI651 3BHT300026R1 Digital Input Module is a I/O component within the S600 I/O series, specifically engineered to deliver reliable and secure signal processing for advanced industrial automation systems.
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        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.
        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 DI651 3BHT300026R1

        • Manufacturer:
          ABB
        • Part Number:
          DI651 3BHT300026R1
        • Product Family:
          ABB Advant OCS and Advant-800xA
        • Product Type:
          Digital Input Module
        • Stock:
          1
        • Number of Channels:
          32
        • Input Voltage:
          48 V d.c.
        • Isolation Type:
          Opto-isolated
        • Channel Grouping:
          Four groups (8 channels per group)
        • Sequence of Event (SOE):
          Supported
        • Pulse Catching:
          Supported
        • Weight:
          1.22 kg
        • Estimated shipping dimensions:
          4x26.1x27cm
        • Tariff Code:
          8537101190
        • 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 Applications Configuration & Programming Diagnostics & Protection

        Features:

        • Interface Between 48 VDC Field Signals and ABB Advant Master Control System Backplane
        • Integrates High-Density Digital Input Acquisition with Opto-Isolated Channel Grouping
        • Functions in Conjunction with ABB Advant OCS and Master Series Controllers
        The ABB DI651 3BHT300026R1 Digital Input Module serves as the primary 48 VDC digital input interface in an ABB Advant control rack, providing reliable discrete signal acquisition for all connected field devices. It continuously receives incoming 48 VDC digital signals across 32 opto-isolated channels and processes these inputs through four independent isolation groups to support steady state monitoring of all field devices and control logic.

        The DI651 3BHT300026R1 provides essential digital input functions common to the entire control rack, and is a critical component of the signal acquisition path, directly affecting the proper, normal operation of the overall monitoring and control system. One or multiple DI651 3BHT300026R1 modules may be installed per rack depending on the required channel density.

        For applications requiring sequence of event recording, the ABB Advant System utilizes the DI651 3BHT300026R1 Digital Input Module to capture and timestamp state changes with high precision. The DI651 3BHT300026R1 event capture system continually monitors the status of all 32 channels.

        The DI651 3BHT300026R1 ABB Digital Input Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        ABB DI651 3BHT300026R1 Digital Input 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.
        ABB DI651 3BHT300026R1 Digital Input Module Specs

        General

        • Manufacturer ABB
        • Model DI651 3BHT300026R1
        • Condition New Original ready stock
        • Product Family DO620 3BHT300009R1,DO630 3BHT300007R1
        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) Tracking: It captures precise, time-stamped status transitions from critical process equipment, which is vital for post-incident root-cause analysis.
        • Pulse Catching Functions: The hardware can detect short-duration pulse signals from high-speed sensors, ensuring brief inputs are not missed during a standard controller scan cycle.
        • Process and Plant Automation: It acts as the primary digital interface for machinery sensors, field limit switches, pushbuttons, and relay contacts across chemical, power, and manufacturing plants.
        • Distributed Control System (DCS) Integration: It functions as a robust binary data aggregator, feeding real-time field statuses back to central processing units.
        • Database Mapping: All 32 input channels must be mapped to distinct binary system variables or database elements within the controller software.
        • Signal Filtering and Debouncing: Software delay and filter parameters are configurable per channel to suppress electromagnetic noise and mechanical contact bounce.
        • Operational Mode Selection: Advanced capabilities, such as dedicating specific channels to high-speed pulse catching or SOE logging, must be explicitly enabled during system setup.
        • Backplane Bus Communication: The module communicates via its dedicated horizontal expansion bus, ensuring high-speed data transfer directly to the host controller.
        • Group Opto-Isolation: The 32 input channels are isolated into four separate groups. This galvanic isolation prevents electrical surges or ground loops from bridging across groups or reaching the backplane.
        • Voltage Tolerance: Designed for a 48V DC nominal input, it utilizes defined voltage thresholds to distinguish between valid signals and electrical interference.
        • Visual Status Indicators: Individual front-panel LEDs correspond to each input channel, allowing maintenance teams to instantly verify the state of field signals during troubleshooting.
        • Hot-Swapping Capabilities: The module architecture supports online replacement, enabling technicians to swap a faulty unit without interrupting system power or disrupting ongoing processes.
        Description
        The ABB DI651 3BHT300026R1 Digital Input Module is a high-performance industrial I/O component specifically engineered for handling high-density digital signal acquisition in demanding process control environments. The DI651 3BHT300026R1 addresses the critical challenge of monitoring multiple discrete field devices while maintaining electrical isolation and signal integrity, effectively solving the problem of ground loop interference and voltage transients that commonly plague industrial digital input systems.

        The DI651 3BHT300026R1 finds extensive application across multiple industrial sectors. In power generation and distribution systems, the DI651 3BHT300026R1 monitors breaker status, transformer alarms, and protective relay contacts. Within oil and gas processing facilities, the DI651 3BHT300026R1 handles safety shutdown system inputs, valve position feedback, and emergency stop circuits. Water treatment plants utilize the DI651 3BHT300026R1 for pump status monitoring, tank level switches, and flow meter pulse inputs. The module is also widely deployed in chemical processing, pulp and paper manufacturing, and mining operations where reliable digital input acquisition directly impacts operational safety and efficiency.

        For installation and integration, the DI651 3BHT300026R1 is designed for seamless incorporation into ABB's Advant Master and Advant OCS control systems. The DI651 3BHT300026R1 mounts on standard ABB rack configurations and connects to the controller via the dedicated I/O bus, with configuration parameters set through the ABB engineering tools. When integrating the DI651 3BHT300026R1, proper attention should be given to the four-group isolation structure to ensure field wiring respects group boundaries and maintains intended isolation integrity. The 48 V d.c. input specification of the DI651 3BHT300026R1 requires compatible field devices and appropriate power supply selection to guarantee reliable operation across all 32 channels.
        Alternative Names
        DI651 3BHT300026R1 D1651 3BHT300026R1 DI651 3BHT3OOO26R1 DO610 3BHT300006R1 DO620 3BHT300009R1 DO630 3BHT300007R1 DO625 3BHT300040R1
        Technical notes
        The DI651 3BHT300026R1 integrates powerful Event Sequence (SOE) timestamp and pulse capture capabilities, enabling the controller to accurately capture transient or rapidly triggered field signals that may not be detected by standard scan cycles.
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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
        How does the ABB DI651 3BHT300026R1 improve fault diagnosis?
        The module provides high-precision event recording, allowing simultaneous input changes to be logged in the correct sequence. This makes it easier to determine the root cause of unexpected trips and reduces the time required for troubleshooting.
        Why is event sequence recording important?
        During emergency situations, multiple devices may change state almost simultaneously. The ABB DI651 3BHT300026R1 accurately records the order of these events, enabling engineers to identify which protective action occurred first and perform faster diagnostics.
        Which industries commonly use the ABB DI651 3BHT300026R1?
        The module is widely used in power generation, oil and gas, chemical processing, water treatment, and other industrial automation applications that require dependable digital signal monitoring and high system availability.
        What types of field signals can the module monitor?
        The ABB DI651 3BHT300026R1 is commonly used to monitor emergency shutdown signals, trip relays, circuit breakers, limit switches, valve positions, and other critical digital inputs throughout industrial control systems.

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