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KJ3243X1-BB2

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Emerson KJ3243X1-BB2 is a legacy DeltaV M-series Profibus DP interface card whose supported modernization path replaces both redundant legacy cards with the current BB3 design.
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Ships by Wednesday, October 28
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Technical specifications for KJ3243X1-BB2

  • Manufacturer:
    Emerson
  • Part Number:
    KJ3243X1-BB2
  • Product Family:
    DeltaV
  • Product Type:
    Legacy DeltaV M-series Profibus DP Card
  • Stock:
    1
  • Platform:
    DeltaV M-series
  • Network:
    Profibus DP
  • Card Generation:
    Legacy BB2
  • Redundancy:
    Supported only with a matched legacy pair
  • Current Replacement:
    KJ3243X1-BB3
  • Migration Rule:
    Replace both legacy cards in a redundant pair
  • Software Baseline for BB3:
    DeltaV v11.3.1 or later
  • Legacy Pair Mixing:
    Not supported as a long-term configuration
  • 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 Legacy Pairing Upgrade Path Loop Recovery Product Applications

Features:

  • Profibus integration: Transfers process and diagnostic data between DeltaV and the installed DP segment.
  • Redundant architecture: A matched pair supports controlled switchover where the system is engineered for redundancy.
  • Documented successor: Emerson identifies the BB3 card as the replacement path for this legacy generation.
KJ3243X1-BB2 serves the network-interface role between the DeltaV controller environment and Profibus DP field devices.

The installed GSD files, address plan, timing and redundancy state form part of the replacement evidence and must be preserved before shutdown.

Because the exact card is legacy, quotation and outage planning should include the BB3 pair-replacement path rather than assuming indefinite like-for-like supply.

Apter Power can help confirm the Emerson KJ3243X1-BB2 Legacy DeltaV M-series Profibus DP Card, installed pair, software baseline and migration scope before quotation.
Emerson KJ3243X1-BB2 Legacy DeltaV M-series Profibus DP 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.
  • Matched generation: Keep redundant cards on the same supported hardware generation.
  • Role record: Capture active and standby status before disturbing the pair.
  • Shared segment: Preserve bus addressing, termination and field-device configuration.
  • Outage control: Treat any card change as a segment-level control-system intervention.
  • Pair replacement: Plan two BB3 cards for a redundant legacy pair.
  • Software check: Confirm the DeltaV release meets the documented BB3 baseline.
  • Configuration transfer: Retain Profibus data, GSD files and device addressing.
  • Fallback plan: Define how the plant will recover if the upgraded pair does not enter service.
  • Device inventory: Record every node and its normal diagnostic condition.
  • Physical layer: Verify cable, connectors and termination before blaming the interface card.
  • Redundancy proof: Test controlled switchover and operator notification after the change.
  • Data validation: Compare controller values and commands with representative field devices.
  • Process fieldbus segments: Links DeltaV control strategies with Profibus DP instruments and actuators.
  • Redundant control cabinets: Supports a matched interface-card pair in legacy M-series architecture.
  • Brownfield maintenance: Restores an installed segment while outage and migration risk are controlled.
  • BB3 modernization: Provides the documented starting point for a pairwise hardware upgrade.
Description
KJ3243X1-BB2 connects a DeltaV M-series controller to a Profibus DP segment so the control system can exchange cyclic data and diagnostics with qualified field devices.

In redundant service, KJ3243X1-BB2 belongs to a matched legacy pair; Emerson’s current documentation warns that mixed legacy and BB3 cards are not supported as a long-term configuration.

When an installed KJ3243X1-BB2 can no longer be retained, the documented path is to replace both legacy cards with BB3 units and confirm the required DeltaV software baseline before the segment is returned to service.
Alternative Names
KJ3243X1BB2 KJ3243X1 BB2
Technical notes
KJ3243X1-BB2 can affect an entire Profibus segment and, in redundant service, must not be mixed permanently with a current BB3 card. Back up configuration and device files, isolate field effects, record active and standby roles, then replace or migrate as a controlled pair. Prove device status and redundancy before release.
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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.
A redundant system loses one KJ3243X1-BB2. Can one BB3 card be installed beside the remaining legacy card?
Emerson does not support that mixed pair as a long-term arrangement. Plan to replace both legacy cards and verify the required DeltaV software baseline.
Field devices disappear after KJ3243X1-BB2 work. Which checks should precede another card change?
Inspect segment power, cable, termination, addresses and configuration download, then compare device diagnostics with the pre-outage inventory.
The standby KJ3243X1-BB2 appears healthy. Is a switchover test still necessary after maintenance?
Yes. A normal status display does not prove coordinated takeover, data continuity or operator notification under the real redundant configuration.
An outage team has a KJ3243X1-BB2 spare but no current GSD archive. What is the stop condition?
Stop if the segment cannot be reconstructed and verified from controlled backups. Hardware alone does not restore device definitions, addresses or data mapping.
A second Class 2 master is added to a redundant KJ3243X1-BB2 segment and standby connectivity becomes unstable. Can its bus address be left at 1?
No. Emerson notes that the standby master uses address 0 and that another Class 2 master at address 1 or lower can conflict with a redundant Profibus card. Correct the addressing plan before blaming the interface card.
How should purchasing scope a KJ3243X1-BB2 modernization quotation?
Provide both card codes, DeltaV version, redundant or simplex arrangement, segment device list, outage window and whether a matched BB3 pair is required.

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