Overview
The Emerson KJ4006X1-BS1, also cataloged as the KJ4006X1-BS1 Redundant Analog Input 8-Channel Terminal Block, operates as a dedicated hardware component for routing redundant 4-20 mA HART field signals within Emerson DeltaV S-series I/O subsystem platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KJ4006X1-BS1 |
| Brand | Emerson |
| Product Type | Redundant Analog Input 8-Channel Terminal Block |
| System Compatibility | Emerson DeltaV S-series I/O subsystem |
| Weight | Approx. 0.35 kg – 0.5 kg |
| Operating Temp | -40 deg C to +70 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Power Consumption | Field power: 30 VDC at 200 mA max |
| Operating Voltage | 24 VDC nominal loop power architecture |
| Input Channels | 8 analog input channels |
| Input Signal Type | Current input, 4-20 mA |
| Communication Protocol | HART protocol compatible |
| Mechanical Keying | Automatic configuration based on installed I/O card profile |
| Relative Humidity | 5% to 95% non-condensing |
| Shock Resistance | 10 g half-sine wave for 11 ms |
| Vibration Resistance | 1 mm peak-to-peak from 2 to 13.2 Hz; 0.7 g from 13.2 to 150 Hz |
| Airborne Contaminants | ISA-S71.04-1985 Class G3 compliant |
| Hazardous Location Rating | ATEX Zone 2 suitable |
4-20 mA HART Signal Interface and Channel Isolation
The KJ4006X1-BS1 supports DeltaV S-series redundant analog input configurations by providing the field termination interface between process instrumentation and redundant I/O card pairs. The terminal block accepts continuous 4-20 mA signals and maintains HART communication transparency for connected field devices.
In addition, the module supports channel-to-channel signal separation to reduce interference between independent analog loops. The hardware architecture allows redundant signal paths to remain available during normal control system operation.
Frequently Asked Questions
Q: What signal types does the KJ4006X1-BS1 terminal block support?
A: The KJ4006X1-BS1 supports analog current input signals with 4-20 mA operation and HART protocol compatibility for DeltaV S-series I/O applications.
Q: Does the KJ4006X1-BS1 provide independent input channels?
A: Yes. The terminal block provides 8 analog input channels designed for connection to redundant analog input card configurations.
Q: How should field wiring be installed for HART analog loops?
A: Install field wiring using appropriate shielded cable practices, separate analog signal wiring from high-voltage conductors, and connect cable shields according to site grounding standards.
Field Installation Guidelines
- Install the KJ4006X1-BS1 only within compatible Emerson DeltaV S-series I/O subsystem configurations.
- Verify the terminal block keying position before installation to match the assigned I/O card profile.
- Route 4-20 mA field cables separately from power cables and high-current switching circuits to minimize electrical noise coupling.
- Connect cable shields according to the plant grounding specification. Avoid multiple uncontrolled shield grounding points that may introduce ground loops.
- Confirm field device loop polarity before applying 24 VDC loop power.
- Inspect terminal connections for correct tightening and ensure field conductors remain mechanically secured during operation.
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