TB840A 3BSE037760R1
TB840A 3BSE037760R1
TB840A 3BSE037760R1
TB840A 3BSE037760R1
TB840A 3BSE037760R1
TB840A 3BSE037760R1
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TB840A 3BSE037760R1

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ABB TB840A 3BSE037760R1 is an S800 I/O ModuleBus modem that links optical clusters to the electrical I/O bus in redundant configurations.
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Technical specifications for TB840A 3BSE037760R1

  • Manufacturer:
    ABB
  • Part Number:
    TB840A 3BSE037760R1
  • Product Family:
    ABB Advant OCS and Advant-800xA
  • Product Type:
    S800 I/O ModuleBus Modem
  • Stock:
    1
  • Bus Protocol:
    ModuleBus
  • Bus Role:
    Slave
  • Optical Ports:
    2
  • Electrical Bus Capacity:
    Up to 12 I/O modules
  • Optical Bus Capacity:
    Up to 7 clusters
  • Line Redundancy:
    Supported
  • Module Redundancy:
    Supported
  • Hot Swap:
    Supported
  • High-Integrity Controller:
    Supported
  • CE Marking:
    Yes
  • Electrical Safety:
    EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201
  • Hazardous Location:
    C1 Div 2 cULus, C1 Zone 2 cULus, ATEX Zone 2
  • Marine Certificates:
    ABS, BV, DNV-GL, LR, CCS
  • Operating Temperature:
    0 to +55 °C (+32 to +131 °F); approvals issued for +5 to +55 °C
  • Storage Temperature:
    -40 to +70 °C (-40 to +158 °F)
  • Pollution Degree:
    Degree 2, IEC 60664-1
  • Corrosion Protection:
    ISA-S71.04: G3
  • Relative Humidity:
    5 to 95%, non-condensing
  • Maximum Ambient Temperature:
    55 °C (131 °F); 40 °C (104 °F) for vertical mounting
  • Protection Class:
    IP20 according to EN 60529, IEC 529
  • RoHS Compliance:
    EU RoHS, UAE RoHS, CN RoHS
  • WEEE Compliance:
    Directive 2012/19/EU
  • Weight:
    0.44 lbs (0.2 kg)
  • Estimated shipping dimensions:
    5.3x10.5x12cm
  • Tariff Code:
    8517629900
  • 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 Bus Links Redundancy Supervision Environment

Features:

  • Optical-to-electrical ModuleBus conversion for one S800 I/O cluster.
  • Dual optical ports supporting a line-redundant communication path.
  • Integrated cluster and ModuleBus power supervision.
TB840A 3BSE037760R1 occupies the communication boundary between the fiber ModuleBus and the local electrical I/O segment.

Its slave role keeps I/O traffic under controller direction while extending the bus through multiple optical clusters.

Isolation and input fusing are built into the modem supply path, separating communication conversion from external cabinet protection.

The ABB TB840A 3BSE037760R1 ModuleBus Modem is listed as Active / Available from OEM. Apter Power supports technical-document and configuration review.
ABB TB840A 3BSE037760R1 S800 I/O ModuleBus Modem 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.

Where optical and electrical ModuleBus meet

  • Optical Side: Two fiber ports carry the ModuleBus between I/O clusters.
  • Electrical Side: The same logical bus continues from the modem to the local I/O modules.
  • Local Capacity: One electrical segment supports as many as twelve modules.
  • Distributed Capacity: The fiber path can extend across as many as seven clusters.

Two independent redundancy layers

  • Line Level: Separate optical paths support ModuleBus line redundancy.
  • Modem Level: TB840A supports redundant module operation.
  • Termination Choice: TU840 provides dual ModuleBus connections, while TU841 provides a single ModuleBus arrangement.
  • Service Mode: Hot swap is supported within the documented redundant architecture.

Status and power functions at the modem boundary

  • Cluster Watch: The modem supervises the connected I/O group.
  • Supply Watch: ModuleBus power conditions are included in the supervision path.
  • Isolation: An isolated supply feeds the I/O modules through the modem arrangement.
  • Input Protection: The incoming power path includes a fuse.

Cabinet conditions that preserve the ratings

  • Operating Range: The documented ambient range is 0 to 55 °C.
  • Vertical Limit: Maximum ambient temperature is 40 °C for vertical mounting.
  • Moisture: Relative humidity is limited to 5 to 95 percent without condensation.
  • Protection Boundary: The installation must maintain the IP20 and Pollution Degree 2 conditions.
Description
ABB TB840A 3BSE037760R1 is a ModuleBus modem for the S800 I/O platform. It operates as a bus slave and converts between the optical ModuleBus connection and the electrical ModuleBus that serves the I/O modules in its cluster.

Two optical ports allow TB840A 3BSE037760R1 to participate in line-redundant communication. The unit also supports module redundancy and works with high-integrity controllers, while hot-swap capability permits the modem to be handled within the supported redundant architecture.

Besides forwarding bus communication, TB840A 3BSE037760R1 supervises the connected I/O cluster and the ModuleBus power supply. Its electrically isolated supply and fused input separate the modem power path from the connected bus circuits.

The electrical bus connected to TB840A 3BSE037760R1 supports up to twelve I/O modules, and the optical bus can extend across as many as seven clusters. Operation is specified from 0 to 55 °C with 5 to 95 percent non-condensing relative humidity in an IP20, Pollution Degree 2 environment.
Alternative Names
TB840A-3BSE037760R1 TB 840A 3BSE037760R1 3BSE037760R1 ABB 3BSE037760R1 ABB TB840A ABB S800 I/O TB840A TB840A ModuleBus Modem TB84OA 3BSE037760R1
Technical notes
ABB TB840A 3BSE037760R1 uses an isolated, fused power input. Verify cabinet power and the complete optical redundancy route before connection.
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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.
How many local I/O modules can follow TB840A 3BSE037760R1 on the electrical ModuleBus?
One electrical cluster attached through TB840A 3BSE037760R1 can contain up to twelve S800 I/O modules.
What redundancy checks are necessary before fitting TB840A 3BSE037760R1?
Verify both the optical line arrangement and the paired modem configuration because TB840A 3BSE037760R1 supports line redundancy as well as module redundancy.
Where does optical communication become electrical I/O communication around TB840A 3BSE037760R1?
Fiber links end at TB840A 3BSE037760R1; from that point, network traffic reaches the local modules over the cluster's wired bus segment.
How does TB840A 3BSE037760R1 report problems within an I/O cluster?
TB840A 3BSE037760R1 supervises the connected cluster and ModuleBus power supply, providing the modem-level status used by the S800 I/O arrangement.
What environmental limits should cabinet design preserve for TB840A 3BSE037760R1?
Keep TB840A 3BSE037760R1 within 0 to 55 °C and 5 to 95 percent non-condensing humidity, with IP20 protection provided by the installation.
Can TB840A 3BSE037760R1 be used when the controller requires a high-integrity arrangement?
Yes. TB840A 3BSE037760R1 is specified for use with high-integrity controllers and retains line and module redundancy support in the approved S800 I/O architecture.

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