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The KJ4010X1-BF1 12P0831X062 Left LocalBus Extender from Emerson’s DeltaV™ M-series I/O subsystem is designed to expand system capacity by adding slots for I/O and communication modules. This extender ensures seamless integration with DeltaV distributed control systems (DCS), supporting large-scale industrial automation projects. Although discontinued on December 31, 2018, brand-new units remain available for legacy installations and replacement needs.
| Parameter | Value |
|---|---|
| Model Number | KJ4010X1-BF1 12P0831X062 |
| Module Type | Left LocalBus Extender |
| Manufacturer | Emerson |
| Product Range | DeltaV™ M-series I/O Subsystem |
| Condition | Brand New |
| Availability | In Stock |
| Weight | 0.1 kg |
| Dimensions | 16.5 × 5.1 × 3.8 cm |
| HS Code | 8537101190 |
| Minimum Order Quantity | 1 |
| Origin | USA |
| System Compatibility | DCS |
| Lifecycle Status | Discontinued (Dec 31, 2018) |
| Communication Service | Ethernet router (integration) |
The KJ4010X1-BF1 12P0831X062 extender provides left-side bus expansion for DeltaV systems, enabling additional I/O and communication modules to be connected. Its rugged design withstands dust, vibration, and harsh industrial conditions, ensuring reliable performance. Integration with DeltaV software allows straightforward configuration and management, making it a practical solution for system scalability and upgrades.
Manufacturing plants requiring system expansion for additional I/O modules
Oil & gas facilities integrating communication interfaces into DeltaV systems
Power generation plants upgrading legacy DeltaV M-series subsystems
Large-scale process industries needing flexible system growth options
Expands DeltaV M-series I/O subsystem capacity
Rugged design ensures durability in harsh environments
Seamless integration with DeltaV software for easy configuration
Supports operational continuity and system scalability
Q: Is the KJ4010X1-BF1 12P0831X062 still supported by Emerson? A: Official support ended after discontinuation in 2018, but brand-new replacement units remain available.
Q: Can this extender be used outside DeltaV systems? A: It is specifically designed for DeltaV™ M-series subsystems; compatibility outside this system is limited.
Q: What alternatives exist for new installations? A: Emerson recommends newer-generation LocalBus extenders with extended lifecycle support and enhanced connectivity.

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