Overview
The Emerson KJ4001X1-BE1, also cataloged as the KJ4001X1-BE1 8 Wide I/O Carrier with Shield Bar, operates as a dedicated hardware component for mounting DeltaV I/O modules and distributing LocalBus and field circuit power within DeltaV Automation System platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KJ4001X1-BE1 |
| Brand | Emerson |
| Product Type | 8 Wide I/O Carrier with Shield Bar |
| System Platform | DeltaV Scalable Process System |
| Hazardous Area Certification | II 3 G, EEx nA IIC T4 |
| Certification Reference | Nemko No. 02ATEX431U |
| Origin | USA |
| Weight | 0.55 kg |
| Dimensions | 15.2 cm x 2.5 cm x 35.6 cm |
| Operating Temp | -40 to 70 deg C |
| Power Consumption | LocalBus Circuit: 12.6 VDC at 8 A; Field Circuit Power: 30 VDC at 6.5 A |
| Protection Rating | IP 20 |
| Relative Humidity | 5 to 95% non-condensing |
| Airborne Contaminants | ISA-S71.04-1985 Class G3 |
| Shock Resistance | 10 g half-sine wave for 11 msec |
| Vibration Resistance | 1 mm peak to peak from 5 to 16 Hz; 0.5 g from 16 to 150 Hz |
DeltaV I/O Carrier Power Distribution and Field Interface
The Emerson KJ4001X1-BE1 provides the mechanical carrier structure and electrical distribution path for DeltaV I/O modules. It supplies LocalBus power at 12.6 VDC and distributes field circuit power up to 30 VDC through the carrier connection system.
Additionally, the carrier integrates a shield bar for cable shielding termination. This design supports controlled grounding practices for field wiring and reduces electrical interference during analog and digital signal transmission.
The KJ4001X1-BE1 uses DeltaV carrier interconnection technology and supports LocalBus extender connections. However, the total combination of I/O carriers and LocalBus Extenders must not exceed 6.5 meters.
Frequently Asked Questions
Q: Can the KJ4001X1-BE1 be removed or inserted while the system remains powered?
A: No. The unit cannot be removed or inserted with system power energized. Field power and system power must be de-energized before disconnecting the carrier.
Q: Does the KJ4001X1-BE1 require user calibration or internal adjustment?
A: No. The unit contains no user serviceable parts, and calibration is not required during normal operation.
Q: What installation limitation applies to unused I/O carrier positions?
A: Any permanently unused I/O module carrier location must have a KJ4001X1-FA1 module cover installed.
Field Installation Guidelines
- Install the KJ4001X1-BE1 according to DeltaV hazardous area installation procedures and verify the product label information before commissioning.
- Disconnect all field circuit power before connecting or removing the carrier.
- Do not connect bussed field power to any supply exceeding 30 VDC.
- Route interconnecting cables between enclosures through conduit to maintain installation protection requirements.
- Terminate cable shields using the integrated shield bar and follow the site grounding practice for signal integrity control.
- Verify that the total LocalBus carrier and extender cable length remains within the specified system limitation.
- Do not disassemble the carrier because it contains no field-serviceable components.
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