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Technical specifications for KJ3003X1-EA1 12P0921X042
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Manufacturer:Emerson
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Product Category:DCS Systems
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Spare Part Number:KJ3003X1-EA1 12P0921X042
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Estimated shipping dimensions:9x4.8x4.1cm
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Weight:0.08 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Component type:Serial interface terminal block
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System family:DeltaV M-series
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Interface role:Field serial-wiring termination
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Maximum supply rating:35 VDC
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Maximum current rating:1.0 A
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Maintenance:No calibration
Information
Overview
Manuals
Common Applications
Product Precautions
Emerson KJ3003X1-EA1 12P0921X042 forms the removable wiring boundary between serial field circuits and the matching DeltaV communication card, supporting service without recalibration.
- Provides organized termination for a DeltaV serial interface.
- Separates field wiring from the removable electronics module.
- Retains the keyed relationship between interface card and terminal block.
- Supports controlled maintenance without disturbing unrelated I/O wiring.
KJ3003X1-EA1 12P0921X042 must remain matched to its documented system interface, mating hardware and controlled configuration.
Important Notice: Match the complete KJ3003X1-EA1 12P0921X042 marking and documented interfaces before installation, then verify the intended technical response.
Emerson KJ3003X1-EA1 12P0921X042 Manuals & Downloads
Emerson KJ3003X1-EA1 12P0921X042 Official Technical Reference Excerpt (PDF)Emerson KJ3003X1-EA1 12P0921X042 Installation & Commissioning Guide (PDF)The first document covers the product function, system role and technical selection. The installation guide covers identification, connection checks, commissioning and the acceptance record.
Modbus serial devices
Terminates controlled serial communication wiring.
Analyzer integration
Connects serial field equipment to the DeltaV interface.
Package-unit communication
Provides the cabinet termination point for serial links.
Legacy serial migration
Preserves field wiring during compatible interface replacement.
Before installing Emerson KJ3003X1-EA1 12P0921X042, confirm the documented system, interfaces and controlled configuration.
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Match KJ3003X1-EA1 and 12P0921X042 before removal.
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Record every serial pair, shield and common conductor.
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De-energize the assigned interface before disconnecting wiring.
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Preserve polarity and network termination components.
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Inspect the keyed terminal block and connector pins.
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Keep communication wiring separated from high-energy conductors.
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Restore port parameters and node addressing from the controlled record.
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Verify stable communication and diagnostic status with every assigned device.
Technical notes
Match the complete KJ3003X1-EA1 12P0921X042 marking and documented interfaces before installation, then verify the intended technical response.
FAQ View All FAQ
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What interface function does Emerson KJ3003X1-EA1 12P0921X042 provide?It terminates serial field wiring for the assigned DeltaV communication module.
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Why does KJ3003X1-EA1 12P0921X042 not require calibration?It is a passive terminal interface; channel performance is set by the connected communication electronics and configuration.
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Which electrical limits apply to KJ3003X1-EA1 12P0921X042?Its maximum supply rating is 35 VDC and its maximum current rating is 1.0 A.
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How should serial pairs be landed on KJ3003X1-EA1 12P0921X042?Preserve pair polarity, shield, common and any network-termination components for every connected device.
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What prevents KJ3003X1-EA1 12P0921X042 from being paired with the wrong interface?The terminal block uses a keyed relationship with its assigned DeltaV serial interface card.
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Which configuration data must survive a KJ3003X1-EA1 12P0921X042 replacement?Retain port mode, communication parameters, node addresses and the device assignment for each serial connection.
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Why should wiring from KJ3003X1-EA1 12P0921X042 be separated from high-energy conductors?Physical separation reduces electrical interference on the low-level serial communication circuits.
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What confirms successful service of KJ3003X1-EA1 12P0921X042?Every assigned device should communicate steadily with correct node identity and no interface or channel diagnostics.
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