KJ2005X1-BA2 Emerson DeltaV MX Controller | New & Original Stock
Manufacturer: GE Fanuc
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Part Number: KJ2005X1-BA2
Condition：New with Original Package
Product Type: CPU Processors
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson KJ2005X1-BA2 DeltaV MX Controller
The Emerson KJ2005X1-BA2, also cataloged as the KJ2005X1-BA2 MX Controller, operates as a dedicated hardware component for continuous and batch control strategy execution within Emerson DeltaV Distributed Control System networks.
Hardware Specifications
| Parameter | Specification |
| Model | KJ2005X1-BA2 |
| Brand | Emerson (DeltaV) |
| Origin | USA |
| Weight | 0.5 kg |
| Dimensions | 215 x 170 x 60 mm |
| Operating Temp | -40 to +60 deg C |
| Power Consumption | 7.0 W (+5 VDC @ 1.4 A via Local Bus Power) |
| Processor Type | 32-bit real-time microprocessor core |
| Memory Capacity | Up to 512 MB program and data storage |
| Relative Humidity | 5 to 95% non-condensing |
| Shock Resistance | 10 g, 11 ms, half-sine wave parameter |
| Mechanical Vibration | 1 mm peak-to-peak (2 to 13.2 Hz); 0.7 g (13.2 to 150 Hz) |
| Environmental Code | ISA-S71.04 Class G3 airborne contaminant limit |
| Hazardous Approvals | Class I, Div 2, Groups A-D; ATEX II 3G Ex ec IIC Gc |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The controller architecture interfaces directly with DeltaV Characterization Modules (CHARMs) and conventional analog subsystems, managing digital communication pass-through for the 4-20 mA HART loop protocol. It utilizes sub-millisecond execution clocks to poll isolated field interfaces while establishing channel-to-channel isolation parameters across the I/O backplane bus. This electrical isolation prevents field-side transient faults from propagating through the central processing core. Real-time data tables are continuously processed using IEC 61131-3 logic formats, ensuring strict deterministic sequencing for continuous closed-loop algorithms without performance degradation under Class G3 corrosive exposures.
Frequently Asked Questions
Q: What are the specific procedural limitations regarding hot-swap capability for the KJ2005X1-BA2 controller inside classified areas?
A: The KJ2005X1-BA2 does not permit removal or insertion under power when operated inside a hazardous location. The local bus power must be fully isolated before physical decoupling to prevent electrical arcing across the backplane terminals.
Q: How is synchronization maintained during a dual-CPU redundancy configuration?
A: Redundant pairs communicate through dedicated carrier pathways to sync up memory states and control logic variables. A hardware-level arbitration link ensures that switchover delays remain within deterministic process thresholds if the primary master fails.
Field Installation Guidelines
- Mount the MX controller carrier base onto a standard 35 mm DIN rail, verifying that the physical orientation allows unobstructed thermal dissipation through the ventilation slots.
- Confirm that the cabinet housing meets NEMA 4X or IP66 minimum benchmarks if the node resides within a Zone 2 / Class I, Division 2 classified hazard boundary.
- Prevent any wire routing pathways from exceeding the bending radius tolerances specified in the DeltaV M-Series Hardware Installation Manual.
- Terminate all field communication cable shields at the primary instrumentation earth ground bar, keeping the shield integrity unbroken across intermediate terminal blocks.
- Ensure the local bus input tracks precisely within the specified +5 VDC parameter at the backplane pins under maximum I/O node configurations.