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Product Describe:
Emerson KJ4001X1-HC1 12P0831X072 is a localbus left extender for extending DeltaV LocalBus power and signals between compatible carriers in the DeltaV M-series I/O subsystem.
Emerson KJ4001X1-HC1 12P0831X072 carries LocalBus communication and carrier power across an extended left-side connection between compatible DeltaV carriers.
Extends the LocalBus path into the left side of a compatible carrier section.
Carries bus communication and power between controlled carrier segments.
Works with the matching extender cable and opposite-side hardware.
Requires a de-energized system before carrier or extender disconnection.
KJ4001X1-HC1 12P0831X072 must remain matched to its documented system interface, mating hardware and controlled configuration.
Important Notice: Match the complete KJ4001X1-HC1 12P0831X072 marking and documented interfaces before installation, then verify the intended technical response.
The first document covers the product function, system role and technical selection. The installation guide covers identification, connection checks, commissioning and the acceptance record.
Multi-carrier DeltaV cabinets
Links adjacent or separated I/O carrier sections.
Cabinet layout expansion
Routes the LocalBus to an additional controlled carrier group.
Carrier service replacement
Provides the left-end interface for the documented extender assembly.
Hazardous-area cabinets
Supports installations governed by the applicable DeltaV instructions.
Before installing Emerson KJ4001X1-HC1 12P0831X072, confirm the documented system, interfaces and controlled configuration.
1
Match both identifiers and installed carrier side.
2
Record cable routing and both extender endpoints.
3
De-energize system power before disconnection.
4
Do not exceed the documented total LocalBus extension boundary.
5
Inspect cable connectors and carrier retention.
6
Keep inter-enclosure routing in the approved conduit system.
7
Verify LocalBus power and communication after energization.
8
Confirm every downstream I/O card returns without diagnostics.
Technical notes
Match the complete KJ4001X1-HC1 12P0831X072 marking and documented interfaces before installation, then verify the intended technical response.