VE4002S1T2B1 Emerson Analog Output Module | New & Original Stock
Manufacturer: GE Fanuc
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Part Number: VE4002S1T2B1 KJ3001X1-BJ1
Condition：New with Original Package
Product Type: Analog Output Module
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Emerson VE4002S1T2B1 DeltaV Analog Output Module
The Emerson VE4002S1T2B1, also cataloged as the KJ3001X1-BJ1 Analog Output Module, operates as a dedicated hardware component for modulating current loops within Emerson DeltaV DCS platforms. It accepts digital commands from the central processing unit over the system backplane and translates them into discrete analog current outputs to regulate final control elements like variable actuators and positioner loops.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KJ3001X1-BJ1 |
| Assembly Code | VE4002S1T2B1 |
| Brand | Emerson |
| Origin | USA |
| Weight | 0.18 kg |
| Dimensions | 51 mm x 102 mm x 102 mm |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | LocalBus: 12 VDC at 150 mA; Bussed Field Power: 12 VDC at 300 mA |
| Number of Channels | 8 analog output channels |
| Signal Range | 4-20 mA current output |
| Resolution | 12-bit digital-to-analog conversion |
| Field Circuit Rating | 24 VDC at 32 mA |
| 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) |
| Certifications | CE, UL, ATEX, IECEx (Zone 2 / Class I Div. 2) |
Process Control and DCS Instrumentation Attributes
The hardware configuration utilizes an internal 12-bit digital-to-analog converter (DAC) network to generate highly repeatable loop steps across its 8 independent channels. The output electronics feature integrated channel-to-channel isolation barriers designed to mitigate electrical interference, isolate noise, and contain localized fault conditions before they can propagate to the central system backplane. This interface maintains signal loop stability across variable resistive loads, aligning with 4-20 mA HART loop protocol physical requirements for positioners and control valve interfaces.
Frequently Asked Questions
Q: What are the primary backplane current constraints during full operational loads?
A: The VE4002S1T2B1 pulls a maximal current load of 150 mA from the 12 VDC LocalBus rail and demands 300 mA at 12 VDC from the dedicated bussed field power infrastructure.
Q: Is hot-swapping permitted for this specific hardware block?
A: While the DeltaV architecture mechanically allows for on-line replacement, doing so in live explosive atmospheres must conform to ATEX/IECEx Zone 2 rules. Under-power removal can induce electrical transients that challenge safety parameters if explosive gases are present.
Q: How does the 12-bit resolution affect the physical 4-20 mA output performance?
A: The 12-bit resolution divides the active 16 mA span into discrete processing increments, matching standard process loop scaling requirements for industrial valve and damper positioning.
Field Installation Guidelines
- Chassis Engagement: Slide the module into its designated slot guide on the DeltaV carrier until the rear bus pins lock fully into the backplane matrix. Fasten any integrated mechanical lock screws to suppress localized mechanical vibration.
- Shield Grounding Methods: Connect the signal line shielding braids exclusively at one reference point within the marshalling panel ground bar. Do not loop grounds or connect shields at both ends to avoid generating current paths across varying local potentials.
- Separation of Signal Routing: Route the 4-20 mA output signal leads away from high-current AC motor leads or parallel power cables to inhibit inductive noise coupling on the analog circuits.
- Terminal Verification: Confirm all external field load impedances match the 24 VDC at 32 mA limits specified for the field circuit loop to maintain accurate output tracking across the full 4-20 mA scale.