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KJ3242X1-BA2

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Emerson KJ3242X1-BA2 is a DeltaV M-series FOUNDATION Fieldbus H1 I/O interface card requested for systems earlier than DeltaV v10.3.1.
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Technical specifications for KJ3242X1-BA2

  • Manufacturer:
    Emerson
  • Part Number:
    KJ3242X1-BA2
  • Product Family:
    DeltaV
  • Product Type:
    DeltaV M-series FOUNDATION Fieldbus H1 I/O Interface Card
  • Stock:
    1
  • Network:
    FOUNDATION Fieldbus H1
  • Channels:
    2
  • Field Devices:
    16 per port, dependent on device power consumption
  • Nominal Signal Range:
    Fieldbus FOUNDATION IEC 61158-2
  • Operating Temperature:
    -40°C to +70°C
  • Relative Humidity:
    5% to 95%, non-condensing
  • Protection Rating:
    IP20
  • Airborne Contaminants:
    ISA-S71.04-1985 Class G3
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    USA
  • 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 Release Fit Segment Design Commissioning Product Applications

Features:

  • Dual H1 interface: Connect two engineered FOUNDATION Fieldbus segments to DeltaV M-series I/O.
  • Legacy release fit: Retain the BA2 revision where Emerson identifies it for an earlier DeltaV release.
  • Segment diagnostics: Use system and device information to separate card, power, wiring and field-device faults.
KJ3242X1-BA2 is an M-series FOUNDATION Fieldbus H1 interface selected in part by the installed DeltaV release.

Each segment remains an engineered network whose power, termination and device load must be proven separately from the card installation.

Commissioning should establish stable communication and expected device identities before the segment returns to control service.

For KJ3242X1-BA2 sourcing, Apter Power can help confirm the DeltaV release, terminal block, segment power and installed card revision.
Emerson KJ3242X1-BA2 DeltaV M-series FOUNDATION Fieldbus H1 I/O Interface Card 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.
  • Software decision: Confirm the installed DeltaV release before selecting BA2, because another card revision may be required by a later system baseline.
  • Hardware record: Match the carrier and terminal assembly with the card revision so software fit is not treated as the only compatibility decision.
  • Upgrade boundary: Reassess the card during a DeltaV upgrade; retaining a legacy revision by habit can create an unsupported configuration.
  • Stop decision: Hold the installation when the DeltaV release history or installed terminal hardware cannot be established with confidence.
  • Power margin: Recalculate the segment when adding a device, because available current and cable loss determine whether communication remains stable.
  • Termination: Preserve the engineered network endpoints; an extra or missing terminator can destabilize every device on the segment.
  • Device loading: Treat the published capacity as a ceiling subject to actual device consumption and topology, not as an automatic design target.
  • Area design: Keep hazardous-area barriers and installation rules within the segment calculation before changing field hardware.
  • Missing devices: Check segment power, polarity, termination and topology before replacing the card so a network fault is not moved to a spare.
  • Intermittent traffic: Review segment load and physical-layer conditions when communication degrades as devices are added or wiring changes.
  • Identity check: Compare discovered devices with the approved segment record so a wiring crossover is caught before control configuration is enabled.
  • Release decision: Keep the segment unavailable until communication is stable and expected device diagnostics are visible.
  • Smart measurement: Connect compatible H1 transmitters to a DeltaV M-series segment whose power and topology have been engineered.
  • Fieldbus control: Integrate compatible valve controllers and other H1 devices only within a commissioned network with stable communication.
  • Legacy maintenance: Replace an identified BA2 interface in a system whose DeltaV release and terminal hardware require that revision.
  • Segment recovery: Restore a confirmed card-related failure after power, termination, topology and field-device causes are excluded.
Description
KJ3242X1-BA2 is an M-series FOUNDATION Fieldbus H1 I/O interface card for connecting two H1 segments to a DeltaV controller. The family architecture uses a dedicated fieldbus power supply and termination for each segment and supports smart-device communication over the fieldbus network.

KJ3242X1-BA2 is specifically referenced by Emerson when cards are required for DeltaV releases earlier than v10.3.1. Its common M-series form factor, two-channel design and documented environmental ratings make software version, terminal hardware and segment engineering essential replacement checks.
Alternative Names
KJ3242X1BA2
Technical notes
KJ3242X1-BA2 is a two-port H1 interface for DeltaV M-series fieldbus service and depends on compatible terminal hardware and an engineered segment. Confirm the DeltaV release and installed H1 termination, provide suitable fieldbus power and termination at both segment ends, and stop commissioning when segment load or hazardous-area design remains unresolved.
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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.
When maintaining an older DeltaV system, how does an engineer decide whether KJ3242X1-BA2 is the correct revision?
Proceed only after the installed DeltaV release and M-series terminal hardware are matched to the BA2 requirement. Selecting by form factor alone can introduce a revision that the system baseline does not support.
If a new field device is added, what decision must be made before loading KJ3242X1-BA2 further?
Require a new segment power and topology calculation before connection. Published device capacity is conditional on actual consumption and cable loss, so an overloaded segment can destabilize devices that were previously healthy.
When all devices on one segment disappear, should a technician replace KJ3242X1-BA2 immediately?
Keep the spare out of service until segment power, polarity, termination and wiring are checked. A common physical-layer fault can remove every device and would remain after an unnecessary card replacement.
If communication becomes intermittent after cabinet work, how should KJ3242X1-BA2 be diagnosed?
Hold the segment from control duty and compare the physical topology and discovered devices with the approved record. This can expose a termination change, crossover or load problem before the interface card is condemned.
During a DeltaV software upgrade, can KJ3242X1-BA2 be retained without review?
Require a revision-compatibility review as part of the upgrade. Emerson identifies BA2 in the context of earlier releases, so keeping it automatically may create an unsupported hardware and software combination.
After installing KJ3242X1-BA2, which commissioning evidence is required before the segments resume control duty?
Release it only after both engineered segments show stable communication and the expected device identities and diagnostics. Card recognition alone does not prove the fieldbus networks are correctly powered, terminated or mapped.