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      ABB AC800F FI820F 3BDH000031R1
      ABB AC800F FI820F 3BDH000031R1
      ABB AC800F FI820F 3BDH000031R1
      ABB AC800F FI820F 3BDH000031R1
      ABB AC800F FI820F 3BDH000031R1
      ABB AC800F FI820F 3BDH000031R1
      · Product image is representative; revision or series may vary. Contact us to request a specific version.
      Ships by Thursday, November 12

      AC800F FI820F 3BDH000031R1

      Dual Channel Serial Module

      Require for Quote:

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          PRODUCT DESCRIPTION

          AC800F FI820F 3BDH000031R1 Dual Channel Serial Module

          ABB FI820F 3BDH000031R1 adds two serial communication channels to an AC 800F controller. The module supports Modbus as its standard protocol, allowing the configured controller to exchange serial process data through electrically isolated interfaces rather than adding a PROFIBUS connection.

          Connection-cable selection determines RS485 half-duplex, RS422 full-duplex or RS232 signaling, with configurable transmission rates up to 38.4 kBd. The base supplies the module at 5 V. Separate channel activity indicators assist diagnosis, and redundant use requires the documented second AC 800F arrangement.
          BEFORE YOU BUY

          Confirm the complete FI820F serial fieldbus module

          Send a label photo for review >>
          ACTUAL APPLICATIONS

          Relevant contexts for AC800F FI820F 3BDH000031R1

          These categories reflect documented ABB portfolio contexts, not proof of suitability for every installation. Exact-model selection remains subject to the approved configuration.
          • 01 · CHEMICALS

            Specialty Chemicals and Fine Chemical Ingredients

            Specialty chemistry and industrial chemical servicesFine chemistry and commercial chemical distribution
          • 02 · WATER & WASTEWATER

            Drinking Water and Reclaimed Water Resources

            Municipal water services and public infrastructureUrban wastewater and municipal environmental protection
          • 03 · FOOD & BEVERAGE

            Liquid Food Ingredients and Beverage Formulations

            Dairy commerce and liquid food logisticsFood retail and refrigerated distribution networks

          Technical specifications for AC800F FI820F 3BDH000031R1

          • Product Model
            AC800F FI820F 3BDH000031R1
          • Spare Model
            3BDH000031R1
          • Product Parameters
            Dual Channel Serial Module
          • Manufacturer
            ABB
          • Serial channels
            2
          • Standard protocol
            Modbus
          • Maximum configurable transmission rate
            38.4 kBd
          • Selectable physical interfaces
            RS485 half-duplex; RS422 full-duplex; RS232
          • Interface isolation
            All serial interfaces electrically isolated
          • Base-unit supply
            5 V ±3%
          • Module power consumption
            1.6–2.6 W, dependent on communication
          • Channel supply
            5 V ±10%
          • Power per serial channel
            Idle: 0.15 W; communicating: 0.30 W
          • Termination supply voltage
            5 V ±10% at Vcc_Term
          • Maximum termination-supply current
            20 mA
          • Front serial connector
            26-pin female
          • Redundancy arrangement
            Second AC 800F required
          • Live module exchange
            Insertion and removal during operation supported
          • Diagnostic indicators
            Status; RxD0; TxD0; RxD1; TxD1
          View all additional
          Ask for Quote

          Alternative Names

          FI 820F 3BDH000031R1 FI820F dual-channel serial fieldbus module
          SYSTEM & REPLACEMENT CHECK

          Information needed before ordering

          Three direct checks to secure your system integration and minimize ordering risks.

          Information

          System integration Replacement check Manuals & support
          SYSTEM INTEGRATION

          Integrate AC800F FI820F 3BDH000031R1 in the documented Freelance AC 800F arrangement

          FI820F provides two serial channels in the AC 800F arrangement. ABB specifies Modbus as the standard protocol and configurable rates up to 38.4 kBd. Keep the serial role separate from the FI830F PROFIBUS module and from Ethernet communication modules.
          Select the documented connection cable for RS485 half-duplex, RS422 full-duplex or RS232. The serial interfaces are electrically isolated. The basic unit supplies 5 V ±3%, while the channel and termination supplies have their own 5 V ±10% limits.
          Use the general Status indicator together with RxD0, TxD0, RxD1 and TxD1 when checking the configured channels. Redundant use requires the documented second AC 800F arrangement; prove the chosen serial data exchange after commissioning.

          Features:

          • Two isolated serial channels
          • Modbus standard protocol
          • Up to 38.4 kBd
          Check AC800F FI820F 3BDH000031R1 against the applicable manufacturer documentation and the complete installed arrangement before service.
          INTERCHANGEABILITY

          Verify AC800F FI820F 3BDH000031R1 before replacement

          Retain the complete AC800F FI820F 3BDH000031R1 identity and check the installed serial function. Neither a similar connector nor the common AC 800F family makes a PROFIBUS or Ethernet module interchangeable with FI820F.
          Record each channel’s protocol, transmission rate and cable-selected physical interface before exchange. Confirm the 26-pin connection and terminal allocation from the applicable ABB connection instructions; do not change RS485, RS422 or RS232 wiring by analogy.
          After an approved exchange, check module identification and activation, then test transmit and receive activity separately on both used channels. In a redundant controller arrangement, validate the engineered failover behavior as well as normal serial communication.

          Features:

          • Complete article and revision identity
          • Recorded wiring, settings and installed configuration
          • Post-installation diagnostics and functional test
          Check AC800F FI820F 3BDH000031R1 against the applicable manufacturer documentation and the complete installed arrangement before service.
          DOCUMENTATION STATUS

          Browse the Manuals, Datasheets, Official Documents, Links

          Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.

          Features:

          • Exact-model technical data for AC800F FI820F 3BDH000031R1
          • Applicable Freelance AC 800F documentation
          • Directory links by subcategory and brand
          Documentation for AC800F FI820F 3BDH000031R1 must match the complete installed product identity and approved configuration before service.

          Also searched as

          PM902F EI803F 3BDH000017R1 FI830F 3BDH000032R1 CI741F CP-C 24 /10.0

          Important notice

          Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
          This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
          BUYER INFORMATION

          Commercial terms without hidden steps

          Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
          • 01

            Shipping & delivery

            Dispatch
            Eligible stock: same / next day
            Carriers
            DHL, FedEx or UPS
            Ship from
            Xiamen, China
            Reference size
            2.7 × 12.7 × 15.5 cm
            Reference weight
            0.16 kg
          • 02

            Payment & customs

            Payment
            Bank transfer (T/T)
            Currencies
            USD · EUR · GBP · RMB
            Credit cards
            Not accepted
            HS reference
            8538900000
            Origin
            Sweden / Switzerland
          • 03

            Warranty & returns

            Warranty
            12 months from AMIKON
            Inspection
            Label, condition and packing checks
            Returns
            Prior RMA authorisation required
            Compatibility
            Confirm before order
            OEM warranty
            Does not apply
          Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.

          • Part checked

            Full suffix recorded

          • Condition checked

            Label and appearance

          • Packing checked

            Antistatic protection

          • Tracking supplied

            Established couriers

          • Sandy Lin

            Dedicated account manager · 15+ years
          FREQUENTLY ASKED QUESTIONS

          Questions buyers ask about AC800F FI820F 3BDH000031R1

          Direct answers about identity, compatibility, stock, warranty, payment and shipping.

          • Does FI820F provide PROFIBUS DP or serial Modbus?

            FI820F is ABB’s dual-channel serial module, with Modbus listed as its standard protocol. ABB lists the PROFIBUS-DP function separately under FI830F. A shared AC 800F family name is not evidence that FI820F supports DP-V0 or DP-V1.

          • How is RS485, RS422 or RS232 selected on FI820F?

            ABB states that different connection cables select the physical interface. RS485 is half-duplex, RS422 is full-duplex and RS232 is also available. Use the cable and pin assignment prescribed for the chosen interface rather than guessing from connector shape.

          • Can FI820F communicate at 100 Mbit/s?

            No such rate is documented for this serial module. ABB specifies configurable transmission rates up to 38.4 kBd. Do not apply an Ethernet-module rating to the FI820F serial channels.

          • Which supply voltage reaches the FI820F module itself?

            The AC 800F basic unit supplies 5 V ±3% to FI820F. ABB separately specifies 5 V ±10% channel supply and termination output. These internal ratings must not be confused with the incoming supply of the controller’s power module.

          • Why can the Status LED be orange while the module is powered?

            In ABB’s LED table, orange means that AC 800F has identified the module but has not yet activated it. Green indicates active and working properly. Red can mean that identification is not yet complete or that an error has occurred, so interpret it with the controller state.

          • Where can maintenance check traffic on each FI820F channel?

            The front indicators RxD0 and TxD0 indicate receive and transmit activity on channel 0; RxD1 and TxD1 serve channel 1. They distinguish channel activity from the general Status indication and do not by themselves prove correct application data.

          • Is a second FI820F alone enough for redundant communication?

            ABB describes redundant use in conjunction with a second AC 800F. A second serial card alone is not the documented complete redundancy arrangement. Confirm controller pairing, connection design and the approved project before committing to a redundant supply.

          • Before ordering 3BDH000031R1, how should the connector and cable scope be checked?

            Match the FI820F order code and its 26-pin female serial connector. Confirm whether the selected RS232, RS422 or RS485 connection cable and any required terminal hardware are included in the quotation; the module designation does not establish an included cable set.
          READY TO VERIFY YOUR PART?

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