KJ4005X1-BB1 Emerson Carrier Expansion Module | New & Original Stock
Manufacturer: GE Fanuc
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Part Number: KJ4005X1-BB1
Condition：New with Original Package
Product Type: Carrier Expansion Modules
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson KJ4005X1-BB1 DeltaV S-Series System Carrier Expansion Module
The Emerson KJ4005X1-BB1, also cataloged as the KJ4005X1-BB1 Left Extender, operates as a dedicated hardware component for extending local bus and field power distribution within Emerson DeltaV DCS S-Series subsystem platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KJ4005X1-BB1 |
| Brand | Emerson |
| Origin | USA |
| Weight | 0.5 kg |
| Dimensions | 40 x 229 mm (1-wide form factor) |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Passive local bus extension; maximum pass-through capacity 12 VDC at 15 A |
| System Compatibility | DeltaV S-Series subsystem carriers |
| Primary Function | Left-side carrier local bus and field power expansion |
| Field Power Capacity | 30 VDC at 3 A per card max (supporting 8-wide carrier) |
| Humidity Range | 5% to 95% non-condensing |
| Shock Resistance | 10 g half-sine wave for 11 ms |
| Vibration Resistance | 1 mm peak-to-peak (2 to 13.2 Hz), 0.7 g (13.2 to 150 Hz) |
| Airborne Contaminants | ISA-S71.04 Class G3 compliant |
| Hazardous Certifications | ATEX, IECEx, FM, UKEX (Zone 2 / Class I Division 2) |
Channel-to-Channel Isolation and Loop Protocol Performance
The hardware architecture interfaces directly with the DeltaV S-Series carrier assembly to sustain the 4-20 mA HART loop protocol parameters across extended I/O positions. To mitigate common-mode voltage deviations and cross-channel electrical noise, the subsystem relies on channel-to-channel isolation and galvanic protection paths embedded within the hosting carrier framework. When utilizing thermocouples or RTD modules on the extended carrier segments, cold junction compensation (CJC) reference networks preserve signal linearity by executing real-time temperature tracking at the terminal blocks, ensuring that the integrity of the extended local bus and power rails remains compliant with baseline instrumentation thresholds.
Frequently Asked Questions
Q: What are the physical limit thresholds for local bus pass-through current on this extender?
A: The module is engineered to support a continuous local bus power throughput of up to 12 VDC at 15 A, alongside field power routing up to 30 VDC at 3 A per card slot.
Q: Can the KJ4005X1-BB1 module be hot-swapped during active system execution?
A: Interruption of the local carrier bus breaks network continuity for down-stream cards. System power and carrier bus lines must be de-energized or isolated before modifying physical carrier layouts to prevent bus fault trips.
Q: How does the unit maintain signal integrity under corrosive atmospheric conditions?
A: The module assemblies undergo conformal coating processes to comply with ISA-S71.04 Class G3 strictures, protecting active internal junctions against airborne chemical contaminants.
Field Installation Guidelines
- Ensure the power distribution to the targeted DeltaV S-Series carrier segment is fully isolated prior to mechanical alignment.
- Interlock the left extender physically with the adjacent right-hand carrier module, ensuring that the built-in mechanical connectors line up completely before locking down the assembly.
- Secure the extended carrier structure onto the DIN rail base, verifying grounding clips achieve metal-to-metal continuity with a low-impedance grounding bar.
- Keep physical separation between instrument loop signal lines and high-voltage power conduits to minimize electromagnetic interference across the extended carrier bus.