Configured for real-time control execution and local I/O bus management in DeltaV DCS architecture, the Emerson KJ2002X1-BA1 (VE3002 Controller M3) provides direct physical/electrical execution. It handles field signal processing and subsystem communication deterministically across DeltaV network nodes.
Hardware Specifications
Parameter
Specification
Model
KJ2002X1-BA1
Brand
Emerson
Catalog / Part Number
VE3002 (12P1442X042)
Origin
USA
Weight
2 kg
Dimensions
30 x 20 x 20 cm
Operating Temp
0 to 60 deg C
Power Consumption
5 VDC, 1.4 A Max.
LocalBus Power Rating
3.3 VDC, 500 mA Max. and 5 VDC, 750 mA Max.
DCS Subsystem & Fieldbus Communication Profiles
4-20 mA HART Loop Protocol Processing: Integrates directly with standard analog field instruments, supporting digital signal pass-through for dynamic variable extraction and field device configuration without interrupting analog control loops.
FOUNDATION Fieldbus & Profibus PA Interface: Facilitates deterministic digital communication with field transmitters and final control elements, maintaining channel-to-channel isolation to prevent electrical noise coupling into backplane circuits.
LocalBus Power Distribution: Supplies power to adjacent I/O modules across the carrier backplane within specified limits of 3.3 VDC at 500 mA Max. and 5 VDC at 750 mA Max.
Frequently Asked Questions
Q: Can the Emerson KJ2002X1-BA1 controller module be hot-swapped during active system operation?
A: Yes, the controller module supports online replacement within a powered DeltaV carrier, provided the redundant partner controller (if configured) has full mastership and local backplane grounding integrity is maintained during insertion.
Q: What are the primary backplane current constraints on the LocalBus interface for this unit?
A: The module supplies a maximum of 500 mA at 3.3 VDC and 750 mA at 5 VDC to adjacent I/O cards via the LocalBus rail. Total draw from attached I/O cards must not exceed these power boundaries.
Field Installation Guidelines
Carrier Mounting: Secure the module into the designated slot on the DeltaV 2-slot or 8-slot carrier. Ensure the bottom locking mechanism fully engages to maintain structural contact and low-impedance ground bonding.
Shield Grounding & Isolation: Ground all signal cable shields at a single point on the system shield bar. Maintain strict channel-to-channel signal separation and keep 24 VDC instrument loop power cables routed away from high-voltage AC lines.
Thermal Spacing & Clearance: Allow minimum 50 mm clearance above and below the module carrier inside the enclosure to facilitate natural convection cooling across the operating range of 0 to 60 deg C.
